:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg: #ffffff;--bg-elevated: #ffffff;--bg-muted: #ededed;--text: #1a2f2a;--text-muted: #4a6b63;--accent-primary: #22c55e;--accent-lime: #84cc16;--accent-cyan: #06b6d4;--accent-gradient: linear-gradient(135deg, #84cc16 0%, #22c55e 50%, #06b6d4 100%);--accent-green: #059669;--border: #c5d9d2;--shadow: rgba(34, 197, 94, .08);--card-bg: #ffffff;--input-bg: #ffffff;--focus-ring: #22c55e;--accent-green-soft: #4ade80}.dark{--bg: #0f0f0f;--bg-elevated: #252525;--bg-muted: #2d2d2d;--text: #ffffff;--text-muted: #a0a0a0;--accent-primary: #4ade80;--accent-lime: #a3e635;--accent-cyan: #22d3ee;--accent-gradient: linear-gradient(135deg, #a3e635 0%, #4ade80 50%, #22d3ee 100%);--accent-green: #4ade80;--border: #404040;--shadow: rgba(0, 0, 0, .4);--card-bg: #252525;--input-bg: #2d2d2d;--focus-ring: #4ade80;--accent-green-soft: #4ade80}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);transition:background .25s ease,color .25s ease}#root{min-height:100vh;display:flex;flex-direction:column}button{font-family:inherit;cursor:pointer;border:none;border-radius:10px;font-weight:500;transition:background .2s,transform .1s}button:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}input,textarea,select{font-family:inherit;border-radius:10px;border:1px solid var(--border);background:var(--input-bg);color:var(--text);transition:border-color .2s,box-shadow .2s}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #22c55e33}.dark input:focus,.dark textarea:focus,.dark select:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #4ade8040}a{color:var(--accent-primary);text-decoration:none}a:hover{text-decoration:underline}.text-gradient{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.timeline-track{position:relative;max-width:720px;margin:0 auto;padding:0 .5rem}.timeline-line{position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translate(-50%);background:linear-gradient(180deg,var(--accent-lime),var(--accent-cyan));border-radius:1px;pointer-events:none}.timeline-item{display:flex;align-items:flex-start;justify-content:space-between;gap:0;margin-bottom:1.5rem;position:relative}.timeline-item:last-child{margin-bottom:0}.timeline-item-content{width:calc(50% - 24px);max-width:320px;min-height:1px}.timeline-item-content--left{text-align:right;padding-right:1.25rem}.timeline-item-content--right{text-align:left;padding-left:1.25rem}.timeline-item-node{flex-shrink:0;width:16px;height:16px;border:2px solid var(--accent-lime);border-radius:50%;background:var(--card-bg);margin-top:1.25rem;position:relative;z-index:1;box-shadow:0 0 0 2px var(--bg)}.timeline-card{display:inline-block;width:100%;text-align:left;padding:1rem 1.25rem;background:var(--card-bg);border-radius:12px;box-shadow:0 4px 16px #0000001f;border:1px solid var(--border);transition:box-shadow .2s}.dark .timeline-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);box-shadow:0 16px 45px #00000073;border-color:#52525bb3}.timeline-card:hover{box-shadow:0 4px 16px #00000014,0 6px 24px #0000000f}.timeline-card-date{display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:.35rem}.timeline-card-tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.04em;padding:.25rem .5rem;border-radius:6px;margin-bottom:.5rem}.timeline-card-tag--study{background:linear-gradient(135deg,#84cc1640,#06b6d433);color:var(--accent-lime)}.timeline-card-tag--rest{background:var(--bg-muted);color:var(--text-muted)}.timeline-card-desc{font-size:.95rem;color:var(--text);line-height:1.5;margin:0 0 .5rem}.timeline-card-link{display:inline-flex;align-items:center;gap:.25rem;font-size:.85rem;color:var(--accent-lime);background:none;border:none;padding:0;cursor:pointer;font-weight:500}.timeline-card-link:hover{text-decoration:underline}.timeline-toggle-button{margin-top:1rem;display:inline-flex;align-items:center;justify-content:center;padding:.4rem .9rem;font-size:.85rem;border-radius:999px;border:1px solid var(--border);background:var(--bg);color:var(--text-muted);cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease}.timeline-toggle-button:hover{background:var(--bg-muted);color:var(--text);border-color:var(--accent-lime)}@media(max-width:640px){.timeline-line{left:11px;transform:none}.timeline-item{flex-direction:column;align-items:stretch;padding-left:32px;margin-bottom:1.25rem}.timeline-item-content{width:100%;max-width:none;padding-left:0!important;padding-right:0!important;text-align:left!important}.timeline-item-node{position:absolute;left:0;margin-top:1.25rem;order:0}.timeline-item-content--left{order:1}.timeline-item-content--right{order:2}}.theme-toggle{width:40px;height:40px;border-radius:10px;background:var(--accent-gradient);color:#fff;display:flex;align-items:center;justify-content:center;border:none;box-shadow:0 2px 10px #22c55e4d}.theme-toggle:hover{filter:brightness(1.1);transform:scale(1.05)}.theme-toggle:active{transform:scale(.96)}.theme-toggle-icon{display:flex;align-items:center;justify-content:center}.theme-toggle-icon svg{flex-shrink:0}.auth-modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1100;padding:1rem}.auth-modal{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:1.5rem;width:100%;max-width:380px;position:relative;box-shadow:0 8px 32px var(--shadow)}.auth-modal-close{position:absolute;top:.75rem;right:.75rem;width:32px;height:32px;border:none;background:none;color:var(--text-muted);font-size:1.5rem;line-height:1;cursor:pointer;border-radius:8px}.auth-modal-close:hover{color:var(--text);background:var(--bg-muted)}.auth-modal-tabs{display:flex;gap:.25rem;margin-bottom:1.25rem}.auth-modal-tabs button{flex:1;padding:.5rem 1rem;font-size:.95rem;font-weight:500;background:var(--bg-muted);color:var(--text-muted);border:none;border-radius:8px}.auth-modal-tabs button.active{background:var(--accent-gradient);color:#fff}.auth-modal-form label{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}.auth-modal-form label span{font-size:.9rem;color:var(--text-muted)}.auth-modal-form input{padding:.6rem .75rem;font-size:1rem}.auth-modal-message-wrap{margin-bottom:.75rem}.auth-modal-message{font-size:.9rem;margin:0 0 .5rem;padding:.5rem;border-radius:8px}.auth-modal-resend{display:block;width:100%;padding:.5rem;font-size:.85rem;background:transparent;color:var(--accent-lime);background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,var(--accent-gradient) border-box;border:1px solid transparent;border-radius:8px;cursor:pointer;margin-top:.35rem;box-shadow:0 2px 8px #84cc161a,0 2px 8px #06b6d414}.auth-modal-resend:hover:not(:disabled){background:linear-gradient(color-mix(in srgb,var(--accent-lime) 15%,transparent),color-mix(in srgb,var(--accent-lime) 15%,transparent)) padding-box,var(--accent-gradient) border-box}.auth-modal-resend:disabled{opacity:.7;cursor:not-allowed}.auth-modal-message--error{background:#dc505026;color:var(--text)}.auth-modal-message--success{background:#22c55e26;color:var(--text)}.auth-modal-submit{width:100%;padding:.75rem;font-size:1rem;font-weight:600;background:var(--accent-gradient);color:#fff;border:none;border-radius:10px;cursor:pointer}.auth-modal-submit:hover:not(:disabled){filter:brightness(1.1)}.auth-modal-submit:disabled{opacity:.7;cursor:not-allowed}.auth-modal-terms{display:flex;align-items:flex-start;gap:.4rem;font-size:.8rem;color:var(--text-muted);margin-top:.25rem}.auth-modal-terms input[type=checkbox]{margin-top:.15rem}.auth-modal-terms a{color:var(--accent-lime);text-decoration:none}.auth-modal-terms a:hover{text-decoration:underline}.auth-modal-forgot-intro{font-size:.9rem;color:var(--text-muted);margin:0 0 .5rem;line-height:1.45}.auth-modal-forgot-link{display:block;width:fit-content;margin:-.35rem 0 .35rem auto;padding:0;font-size:.875rem;background:none;border:none;color:var(--accent-lime);cursor:pointer;text-decoration:underline;text-underline-offset:2px}.auth-modal-forgot-link:hover{color:var(--text)}.auth-modal-back-login{display:block;width:fit-content;margin:-.25rem 0 .75rem;padding:0;font-size:.875rem;background:none;border:none;color:var(--text-muted);cursor:pointer}.auth-modal-back-login:hover{color:var(--text)}.reset-password-form{max-width:380px;margin-top:1.25rem}.reset-password-home-btn{max-width:280px;margin-top:1rem}.reset-password-blurb{max-width:36rem;line-height:1.55;margin:0}.mood-logger{max-width:720px;margin:0 auto 2rem;padding:1.5rem;border-radius:14px;background:var(--card-bg);border:1px solid var(--border);text-align:left}.dark .mood-logger{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.mood-logger-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.mood-logger-title{font-size:1.1rem;font-weight:700;color:var(--text);margin:0}.mood-logger-check{font-size:.85rem;color:var(--accent-lime);font-weight:600}.mood-logger-options{display:flex;gap:.5rem;flex-wrap:wrap}.mood-logger-btn{display:flex;flex-direction:column;align-items:center;gap:.3rem;padding:.65rem .75rem;border-radius:12px;border:1px solid var(--border);background:transparent;cursor:pointer;transition:border-color .2s,background .2s,transform .15s;min-width:68px}.dark .mood-logger-btn{border-color:#52525b80}.mood-logger-btn:hover{border-color:var(--accent-cyan);background:color-mix(in srgb,var(--accent-cyan) 8%,transparent)}.mood-logger-btn--active{border-color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 12%,transparent);border-width:2px}.mood-logger-btn--pop{animation:mood-pop .35s ease}@keyframes mood-pop{0%{transform:scale(1)}50%{transform:scale(1.12)}to{transform:scale(1)}}.mood-logger-emoji{font-size:1.5rem;line-height:1}.mood-logger-label{font-size:.72rem;color:var(--text-muted);font-weight:500}.mood-logger-btn--active .mood-logger-label{color:var(--accent-lime)}.mood-logger-burnout{margin-top:1.25rem;padding-top:1rem;border-top:1px solid var(--border)}.dark .mood-logger-burnout{border-top-color:#52525b80}.mood-logger-burnout-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}.mood-logger-burnout-title{font-size:.9rem;font-weight:600;color:var(--text)}.mood-logger-burnout-badge{font-size:.8rem;font-weight:600;padding:.2rem .6rem;border-radius:999px}.mood-logger-burnout-badge[data-level=Low]{color:#22c55e;background:#22c55e1f}.mood-logger-burnout-badge[data-level=Moderate]{color:#eab308;background:#eab3081f}.mood-logger-burnout-badge[data-level=High]{color:#f97316;background:#f973161f}.mood-logger-burnout-badge[data-level="Very high"]{color:#ef4444;background:#ef44441f}.mood-logger-burnout-meter{height:6px;border-radius:999px;background:var(--border);overflow:hidden;margin-bottom:.5rem}.dark .mood-logger-burnout-meter{background:#52525b80}.mood-logger-burnout-bar{height:100%;border-radius:999px;transition:width .6s ease}.mood-logger-burnout-bar[data-level=Low]{background:#22c55e}.mood-logger-burnout-bar[data-level=Moderate]{background:#eab308}.mood-logger-burnout-bar[data-level=High]{background:#f97316}.mood-logger-burnout-bar[data-level="Very high"]{background:#ef4444}.mood-logger-burnout-explanation{font-size:.85rem;color:var(--text-muted);margin:0;line-height:1.45}.mood-logger-pattern{margin-top:1rem;padding-top:.8rem;border-top:1px dashed var(--border)}.mood-logger-pattern-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.45rem}.mood-logger-pattern-title{font-size:.82rem;font-weight:600;color:var(--text-muted)}.mood-logger-pattern-chart{display:flex;align-items:flex-end;gap:.4rem;min-height:72px}.mood-logger-pattern-col{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;gap:.35rem}.mood-logger-pattern-bar{width:100%;max-width:14px;border-radius:999px;background:linear-gradient(180deg,#22c55e,#eab308 45%,#ef4444);opacity:.9}.mood-logger-pattern-bar--empty{background:var(--border);opacity:.55}.mood-logger-pattern-day{font-size:.7rem;color:var(--text-muted)}@media(max-width:520px){.mood-logger-options{gap:.35rem}.mood-logger-btn{min-width:56px;padding:.5rem}}.landing{position:relative;text-align:center;max-width:900px;margin:0 auto}.landing-hero,.landing-section{position:relative;z-index:1}.landing-hero,.landing-section{opacity:0;transform:translateY(22px);transition:opacity .55s ease-out,transform .55s ease-out}.landing-hero.landing-in-view,.landing-section.landing-in-view{opacity:1;transform:none}.landing-section--standalone{position:relative;display:block;width:100%;max-width:100%}.landing-hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1rem 4rem;position:relative}.landing--guest .landing-hero{min-height:0;justify-content:flex-start;padding-top:var(--landing-section-space, clamp(3rem, 6vw, 4.5rem));padding-bottom:0}.landing-hero .landing-title{margin-top:0}.landing.landing--guest{max-width:min(76rem,100%);--landing-section-space: clamp(3rem, 6vw, 4.5rem)}.landing--guest>.landing-hero+section.landing-section,.landing--guest>section.landing-section+section.landing-section{margin-top:var(--landing-section-space)}.landing--guest>section.landing-section:last-of-type{margin-bottom:var(--landing-section-space)}.landing--guest>section.landing-section{margin-bottom:0;padding-block:0;padding-inline:1rem}.landing-hero-typewriter{width:100%;max-width:min(70rem,100%);margin:0 auto;overflow:visible;text-align:center;box-sizing:border-box;padding-inline:.5rem}.landing--guest .landing-hero .landing-title{position:relative;transform:none;width:100%;max-width:100%;margin:0 auto;display:block;white-space:normal;font-size:clamp(1.35rem,3.5vw,2.75rem);line-height:1.25;text-wrap:balance;overflow-wrap:break-word;word-wrap:break-word;padding:0 .5rem;box-sizing:border-box;-webkit-hyphens:auto;hyphens:auto}.landing--guest .landing-hero .landing-title .landing-title-inner{white-space:normal}.landing--guest .landing-description{margin-top:1.35rem;max-width:min(700px,100%);width:100%;padding-inline:.5rem;box-sizing:border-box;overflow-wrap:break-word;word-wrap:break-word;-webkit-hyphens:auto;hyphens:auto}.landing--guest .landing-disclaimer{max-width:min(36rem,100%);margin-left:auto;margin-right:auto;padding-inline:.75rem;box-sizing:border-box;overflow-wrap:break-word;word-wrap:break-word;line-height:1.5}.landing-hero-actions{margin-top:.5rem}.landing-hero-actions .landing-disclaimer{margin-top:.75rem;margin-bottom:0}.landing-title-wrap{position:relative;display:inline-flex;align-items:flex-start;justify-content:center;gap:.5rem;margin-bottom:.75rem}.landing-beta-badge{font-size:.75rem;font-weight:700;color:#3b82f6;border:1px solid #3b82f6;border-radius:6px;padding:.15rem .5rem;letter-spacing:.03em;line-height:1.3;margin-top:.35rem}.landing-title{font-size:2.75rem;font-weight:700;margin:0;letter-spacing:-.02em;display:inline;text-wrap:wrap;position:absolute;transform:translateY(1.5rem);width:90%;line-height:1.3}.landing-title-inner{display:inline}.landing-title-cursor{display:inline;margin-left:2px;font-weight:300;opacity:0;transition:opacity .1s ease}.landing-title-cursor--on{opacity:1}.landing-description{color:var(--text-muted);font-size:1.05rem;line-height:1.6;max-width:700px;margin-left:auto;margin-right:auto;margin:10.5rem 0 2.5rem;position:relative;display:block}.landing-section{margin-bottom:3rem;padding:0 1rem}.landing-section:first-of-type{padding-top:3rem}.landing--guest>section.landing-section:first-of-type{padding-top:0}.landing-section:last-of-type{padding-bottom:4rem}.landing--guest>section.landing-section:last-of-type{padding-bottom:0}.landing-section-title{font-size:1.5rem;font-weight:700;color:var(--text);margin:0 0 1.35rem;letter-spacing:-.02em}.landing-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-bottom:0;text-align:left;max-width:720px;margin-left:auto;margin-right:auto;padding-bottom:5.5rem}@media(max-width:600px){.landing-cards{grid-template-columns:1fr}}.landing-card{background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,var(--accent-gradient) border-box;border:1px solid transparent;border-radius:14px;padding:1.75rem 2rem;transition:box-shadow .2s;min-height:140px;box-shadow:0 2px 12px #84cc161f,0 2px 12px #06b6d41a}.landing-card:hover{box-shadow:0 0 0 2px var(--accent-cyan)}.landing-card-title{font-size:1.15rem;font-weight:700;color:var(--text);margin:0 0 .5rem}.landing-card-desc{font-size:1rem;color:var(--text-muted);margin:0;line-height:1.5}.landing-hiw-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;max-width:900px;margin:0 auto;text-align:center;padding-bottom:3rem}@media(max-width:720px){.landing-hiw-cards{grid-template-columns:1fr;max-width:340px}}.landing-hiw-card{border-radius:14px;padding:1.5rem 1.25rem;border:1px solid var(--border);background:var(--card-bg);transition:box-shadow .2s,border-color .2s}.dark .landing-hiw-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.landing-hiw-card:hover{border-color:var(--accent-cyan);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent-cyan) 35%,transparent)}.landing-hiw-image-placeholder{width:100%;aspect-ratio:4 / 3;border-radius:10px;overflow:hidden;margin-bottom:1rem;background:var(--bg-muted)}.dark .landing-hiw-image-placeholder{background:#ffffff0a}.landing-hiw-image{width:100%;height:100%;object-fit:cover;border-radius:10px}.landing-hiw-card-title{font-size:1.1rem;font-weight:700;color:var(--text);margin:0 0 .4rem}.landing-hiw-card-desc{font-size:.95rem;color:var(--text-muted);margin:0;line-height:1.5}.landing-advantages-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;max-width:900px;margin:0 auto;text-align:left}@media(max-width:720px){.landing-advantages-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.landing-advantages-grid{grid-template-columns:1fr}}.landing-advantage-card{border-radius:12px;padding:1.25rem;border:1px solid var(--border);background:var(--card-bg);transition:border-color .2s,box-shadow .2s}.dark .landing-advantage-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.landing-advantage-card:hover{border-color:var(--accent-cyan);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent-cyan) 35%,transparent)}.landing-advantage-title{font-size:1.05rem;font-weight:700;color:var(--text);margin:0 0 .35rem}.landing-advantage-desc{font-size:.92rem;color:var(--text-muted);margin:0;line-height:1.5}.landing-compare{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;max-width:720px;margin:0 auto;text-align:left}@media(max-width:600px){.landing-compare{grid-template-columns:1fr}}.landing-compare-card{border-radius:14px;padding:2rem 2.25rem;border:1px solid var(--border);background:var(--card-bg);min-height:200px}.dark .landing-compare-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.landing-compare-others{border-color:#96969666}.landing-compare-mindstudy{background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,var(--accent-gradient) border-box;border:1px solid transparent;box-shadow:0 2px 12px #84cc161f,0 2px 12px #06b6d41a}.dark .landing-compare-mindstudy{background:linear-gradient(#1119,#1119) padding-box,var(--accent-gradient) border-box;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%)}.landing-compare-card-title{font-size:1.25rem;font-weight:700;color:var(--text);margin:0 0 1rem}.landing-compare-list{margin:0;padding-left:1.35rem;font-size:1.05rem;color:var(--text-muted);line-height:1.8}.landing-compare-list li{margin-bottom:.4rem}.landing-section-getting-started{padding-top:.5rem}.landing--guest .landing-section-getting-started{padding-top:0}.landing-steps{display:flex;flex-direction:column;gap:1.75rem;max-width:560px;margin:0 auto;text-align:left}.landing-steps--wide{max-width:min(52rem,100%)}.landing-step{display:flex;gap:1rem;align-items:flex-start;padding:1.25rem 1.5rem;background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,var(--accent-gradient) border-box;border:1px solid transparent;border-radius:14px;box-shadow:0 2px 12px #84cc161f,0 2px 12px #06b6d41a}.landing-step--plain{background:none;border:none;border-radius:0;box-shadow:none;padding:.5rem 0;border-bottom:1px solid var(--border)}.landing-step--plain:last-child{border-bottom:none}.landing-steps--plain{gap:.5rem}.landing-step-num{flex-shrink:0;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;background:var(--accent-gradient);color:#fff;font-weight:700;font-size:1rem;border-radius:50%}.landing-step-content{min-width:0}.landing-step-title{font-size:1.1rem;font-weight:700;color:var(--text);margin:0 0 .35rem}.landing-step-desc{font-size:.95rem;color:var(--text-muted);line-height:1.5;margin:0}.landing-section-faq{padding-bottom:2rem}.landing--guest .landing-section-faq{padding-bottom:0}.landing-faq-list{max-width:min(52rem,100%);margin:0 auto;text-align:left;display:flex;flex-direction:column;gap:.65rem}.landing-faq-item{border:1px solid var(--border);border-radius:12px;background:var(--card-bg);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}.landing-faq-item:hover{border-color:color-mix(in srgb,var(--accent-lime) 35%,var(--border))}.landing-faq-item[open]{border-color:color-mix(in srgb,var(--accent-cyan) 30%,var(--border));box-shadow:0 2px 14px #06b6d414}.dark .landing-faq-item{background:#11111173}.landing-faq-summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.15rem;font-size:1.05rem;font-weight:700;color:var(--text);-webkit-user-select:none;user-select:none}.landing-faq-summary::-webkit-details-marker{display:none}.landing-faq-summary:after{content:"+";flex-shrink:0;width:1.75rem;height:1.75rem;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--bg-muted);color:var(--text-muted);font-size:1.25rem;font-weight:600;line-height:1;transition:transform .2s ease,background .2s ease,color .2s ease}.landing-faq-item[open] .landing-faq-summary:after{content:"−";transform:rotate(180deg);background:color-mix(in srgb,var(--accent-lime) 22%,var(--bg-muted));color:var(--text)}.landing-faq-answer-wrap{padding:0 1.15rem 1.05rem;border-top:1px solid var(--border)}.landing-faq-item:not([open]) .landing-faq-answer-wrap{display:none}.landing-faq-answer{margin:.85rem 0 0;font-size:.98rem;line-height:1.65;color:var(--text-muted)}.landing-recently-added{max-width:420px;margin:0 auto;list-style:none;padding:1.5rem 2rem;background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,var(--accent-gradient) border-box;border:1px solid transparent;border-radius:20px;position:relative;overflow:hidden;transition:box-shadow .2s;box-shadow:0 2px 12px #84cc161f,0 2px 12px #06b6d41a}.landing-recently-added:hover{box-shadow:0 0 0 2px var(--accent-cyan)}.landing-recently-added li{position:relative;padding-left:.5rem}.landing-section-cta{margin-top:2.5rem;margin-bottom:2rem}.landing-section-cta .landing-disclaimer{margin-top:.75rem}.landing-cta{background:var(--accent-gradient);color:#fff;padding:1rem 1.75rem;font-size:1.1rem;font-weight:700;border-radius:12px;display:inline-flex;align-items:center;gap:.5rem;box-shadow:0 4px 20px #22c55e59}.landing-cta:hover{filter:brightness(1.1);transform:translateY(-2px)}.landing-cta:active{transform:translateY(0)}.landing-disclaimer{font-size:.8rem;color:var(--text-muted);margin:1rem 0 0}.landing-app-qr-placeholder{margin:1.15rem auto .35rem;display:flex;flex-direction:column;align-items:center;gap:.55rem}.landing-app-qr-image{width:220px;height:220px;border-radius:14px;border:1px solid var(--border);object-fit:cover;background:#fff;box-shadow:0 10px 30px #0000002e}.landing-app-qr-label{margin:0;font-size:.78rem;color:var(--text-muted)}.landing--logged-in .landing-logged-in-header{width:100%;text-align:center;margin:0 0 1.35rem;padding:0 1rem}.landing-logged-in-heading{font-size:clamp(1.85rem,5vw,2.75rem);font-weight:700;margin:0;letter-spacing:-.02em;line-height:1.15}.landing-logged-in-actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-bottom:2.5rem}.landing-cta--primary{background:var(--accent-gradient);color:#fff;padding:1rem 1.75rem;font-size:1.1rem;font-weight:700;border-radius:12px;border:none;cursor:pointer;box-shadow:0 4px 20px #22c55e59}.landing-cta--primary:hover{filter:brightness(1.1);transform:translateY(-2px)}.landing-cta--secondary{background:var(--card-bg);border:1px solid var(--border);padding:1rem 1.75rem;font-size:1.1rem;font-weight:700;border-radius:12px;cursor:pointer;color:var(--accent-lime);box-shadow:0 4px 16px #0000001f}.dark .landing-cta--secondary{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3;box-shadow:0 16px 45px #00000073}.landing-cta--secondary:hover{background:linear-gradient(var(--bg-muted),var(--bg-muted)) padding-box,var(--accent-gradient) border-box;transform:translateY(-2px)}.landing-review{margin-top:.5rem;text-align:left;max-width:640px;margin-left:auto;margin-right:auto}.landing-review-subheading{font-size:1.1rem;font-weight:700;color:var(--text);margin:1.5rem 0 .75rem}.landing-review-subheading:first-of-type{margin-top:.75rem}.landing-review-row{display:flex;align-items:center;gap:.5rem}.landing-review-cards{display:flex;gap:.75rem;overflow:hidden}.landing-review-cards--folders,.landing-review-cards--plans{flex:1 1 auto;scroll-behavior:smooth}.landing-review-arrow{border-radius:999px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;background:var(--card-bg);border:1px solid var(--border);color:var(--text)}.dark .landing-review-arrow{background:#111111d9;border-color:#52525bcc}.landing-review-arrow:hover{border-color:var(--accent-lime);color:var(--accent-lime)}.landing-review-card{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.25rem;flex:0 0 calc((100% - 2 * .75rem) / 3);aspect-ratio:1 / 1;background:var(--card-bg);border:1px solid var(--border);border-radius:12px;font-size:.95rem;font-weight:500;color:var(--text);text-align:left;cursor:pointer;transition:box-shadow .2s,border-color .2s,border-width .2s;box-shadow:0 4px 16px #0000001f}.dark .landing-review-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3;box-shadow:0 16px 45px #00000073}.landing-review-card:hover{border-color:var(--accent-cyan);border-width:2px;box-shadow:0 0 0 2px color-mix(in srgb,var(--accent-cyan) 35%,transparent)}.landing-review-empty{font-size:.9rem;color:var(--text-muted);margin:.5rem 0 0}.landing-timeline{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}.landing-timeline-hint{font-size:.9rem;color:var(--text-muted);margin:0 0 1.5rem}.landing-help{position:fixed;bottom:1.5rem;right:1.5rem;width:36px;height:36px;border-radius:50%;background:var(--bg-muted);color:var(--text);font-size:1rem;font-weight:600;display:flex;align-items:center;justify-content:center;border:1px solid var(--border)}.landing-help:hover{background:var(--border)}.pricing-back-wrap{padding:0 1rem .5rem;text-align:left;max-width:900px;margin:0 auto}.pricing-back-btn{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:.4rem .75rem;border-radius:8px;font-size:.9rem;cursor:pointer}.pricing-back-btn:hover{color:var(--text);border-color:var(--text-muted)}.landing-pricing-intro{color:var(--text-muted);font-size:1rem;line-height:1.6;margin:0 0 1.5rem;max-width:520px;margin-left:auto;margin-right:auto}.landing-pricing-toggle{display:inline-flex;gap:0;border-radius:10px;border:1px solid var(--border);margin-bottom:1.5rem;overflow:hidden}.landing-pricing-toggle-btn{padding:.5rem 1rem;border:none;background:var(--bg-muted);color:var(--text-muted);font-size:.95rem;cursor:pointer}.landing-pricing-toggle-btn--active{background:var(--accent-gradient);color:var(--text);font-weight:600}.landing-pricing-toggle--switch{border:none;background:transparent;margin-bottom:1.5rem;gap:.65rem;align-items:center}.landing-pricing-toggle-label{font-size:.95rem;font-weight:600;color:var(--text-muted);min-width:68px;text-align:center}.landing-pricing-toggle-label--active{color:var(--text)}.landing-pricing-switch{position:relative;width:52px;height:30px;border:1px solid var(--border);border-radius:999px;background:var(--bg-muted);padding:0;cursor:pointer}.landing-pricing-switch-track{position:absolute;inset:0;border-radius:999px}.landing-pricing-switch-thumb{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:var(--text);transition:transform .2s ease}.landing-pricing-switch--annual .landing-pricing-switch-thumb{transform:translate(22px)}.landing-pricing-switch--annual{border-color:color-mix(in srgb,var(--accent-lime) 50%,var(--border))}.landing-pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;max-width:640px;margin:0 auto 1.5rem;text-align:left}@media(max-width:600px){.landing-pricing-grid{grid-template-columns:1fr}}.landing-pricing-card{border-radius:14px;padding:1.5rem 1.75rem;border:1px solid var(--border);background:var(--card-bg)}.dark .landing-pricing-card{border-color:#52525bb3;background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%)}.landing-pricing-card--pro{display:flex;flex-direction:column;background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,var(--accent-gradient) border-box;border:1px solid transparent;box-shadow:0 2px 12px #84cc161f,0 2px 12px #06b6d41a}.landing-pricing-name{font-size:1.2rem;font-weight:700;color:var(--text);margin:0 0 .5rem}.landing-pricing-price{font-size:1.75rem;font-weight:700;color:var(--text);margin:0 0 1rem}.landing-pricing-cycle{font-size:1rem;font-weight:500;color:var(--text-muted)}.landing-pricing-offer{margin:-.5rem 0 1rem;font-size:.9rem;font-weight:600;color:var(--accent-lime)}.landing-pricing-list{margin:0;padding-left:1.25rem;font-size:.95rem;color:var(--text-muted);line-height:1.7}.landing-pricing-list li{margin-bottom:.35rem}.landing-pricing-cta{margin-top:1rem;margin-bottom:.5rem}.landing-pricing-cta--inline{margin-top:auto;padding-top:1rem;text-align:center}.landing-pricing-price--muted{font-size:1.15rem;margin-bottom:.25rem}.landing-pricing-cycle--block{display:block;margin-top:.25rem;font-size:.95rem}.landing-pricing-pro-dual{display:flex;flex-direction:column;gap:.85rem;width:100%;text-align:left}.landing-pricing-pro-plan-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap;padding:.75rem .85rem;border-radius:12px;border:1px solid var(--border);background:color-mix(in srgb,var(--card-bg) 92%,var(--accent-lime))}.dark .landing-pricing-pro-plan-row{background:#18181b8c}.landing-pricing-pro-plan-meta{display:flex;flex-direction:column;gap:.2rem;min-width:0}.landing-pricing-pro-plan-label{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.landing-pricing-pro-plan-amount{font-size:1.2rem;font-weight:700;color:var(--text)}.landing-pricing-pro-plan-unit{font-size:.9rem;font-weight:600;color:var(--text-muted)}.landing-pricing-pro-offer{font-size:.8rem;font-weight:600;color:var(--accent-lime)}.pricing-cta-btn{padding:.65rem 1.5rem;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;border:none}.pricing-cta-btn--primary{background:var(--accent-gradient);color:var(--text);box-shadow:0 2px 10px #84cc1633}.pricing-cta-btn--primary:hover{filter:brightness(1.05)}.pricing-cta-btn--subscribed{background:var(--bg-muted);color:var(--text-muted);box-shadow:none;cursor:default}.pricing-cta-btn--subscribed:hover{filter:none}.pricing-success-banner{background:linear-gradient(135deg,#84cc1626,#06b6d41f);border:1px solid rgba(132,204,22,.3);color:var(--text);padding:.85rem 1.25rem;border-radius:10px;text-align:center;font-weight:500;margin-bottom:1.5rem;max-width:500px;margin-left:auto;margin-right:auto}.pricing-error{color:#dc2626;text-align:center;font-size:.9rem;margin-bottom:1rem}.pricing-switch-warning-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1200;padding:1rem}.pricing-switch-warning-modal{width:100%;max-width:460px;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:1.25rem 1.25rem 1.15rem;box-shadow:0 8px 32px var(--shadow)}.pricing-switch-warning-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.pricing-switch-warning-title{font-size:1.1rem;font-weight:800;margin:0;color:var(--text)}.pricing-switch-warning-close{border:none;background:none;cursor:pointer;color:var(--text-muted);font-size:1.5rem;line-height:1;padding:.1rem .25rem;border-radius:8px}.pricing-switch-warning-close:hover{background:var(--bg-muted);color:var(--text)}.pricing-switch-warning-text{margin:.75rem 0 1rem;color:var(--text-muted);line-height:1.6;font-size:.95rem}.pricing-switch-warning-actions{display:flex;gap:.75rem;justify-content:flex-end;flex-wrap:wrap}.pricing-switch-warning-btn{padding:.6rem 1rem;border-radius:10px;font-size:.95rem;font-weight:700;cursor:pointer;border:none}.pricing-switch-warning-btn:disabled{opacity:.7;cursor:not-allowed}.pricing-switch-warning-btn--primary{background:var(--accent-gradient);color:var(--text)}.pricing-switch-warning-btn--primary:hover:not(:disabled){filter:brightness(1.05)}.pricing-switch-warning-btn--secondary{background:var(--bg-muted);color:var(--text-muted);border:1px solid var(--border)}.pricing-switch-warning-btn--secondary:hover:not(:disabled){filter:brightness(.98)}.wizard{position:relative;max-width:520px;margin:0 auto;padding:2rem 1rem 4rem}.wizard--long{max-width:560px;padding:2rem 1rem 4rem}.wizard-long-form{display:flex;flex-direction:column;gap:1.25rem}.wizard-long-title{font-size:1.5rem;font-weight:700;color:var(--text);margin:0 0 .25rem}.wizard-long-hint{font-size:.95rem;color:var(--text-muted);margin:0 0 .5rem}.wizard-long-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border:1px solid rgba(82,82,91,.7);border-radius:16px;padding:1.5rem;box-shadow:0 2px 12px var(--shadow)}.wizard-long-card .wizard-question{margin:0 0 1rem;font-size:1.2rem}.wizard-progress-wrap{margin-bottom:1.5rem}.wizard-progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin-bottom:.5rem}.wizard-progress-fill{height:100%;background:var(--accent-gradient);border-radius:3px;transition:width .3s ease}.wizard-progress-label{font-size:.85rem;color:var(--text-muted);margin:0}.wizard-form{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border:1px solid rgba(82,82,91,.7);border-radius:16px;padding:2rem 1.5rem;box-shadow:0 4px 24px var(--shadow);overflow:hidden}.wizard-question{font-size:1.35rem;font-weight:700;color:var(--text);margin:0 0 1.5rem;line-height:1.35}.wizard-field,.wizard-fields{margin-bottom:1.25rem}.wizard-fields .wizard-field:last-child{margin-bottom:0}.wizard-input,.wizard-field input,.wizard-field textarea,.wizard-fields input,.wizard-fields textarea{width:100%;padding:.75rem .9rem;font-size:1rem;border-radius:10px;border:1px solid var(--border);background:var(--input-bg);color:var(--text)}.dark .wizard-input,.dark .wizard-field input,.dark .wizard-field textarea,.dark .wizard-fields input,.dark .wizard-fields textarea{border-color:#3f3f46;background:#111}.wizard-input:focus,.wizard-field input:focus,.wizard-field textarea:focus,.wizard-fields input:focus,.wizard-fields textarea:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 3px #22c55e33}.dark .wizard-input:focus,.dark .wizard-field input:focus,.dark .wizard-field textarea:focus{box-shadow:0 0 0 3px #4ade8040}.wizard-field label,.wizard-fields label{display:flex;flex-direction:column;gap:.4rem}.wizard-field span,.wizard-fields label span{font-size:.9rem;font-weight:500;color:var(--text-muted)}.wizard-field textarea,.wizard-fields textarea{resize:vertical;min-height:80px}.wizard-field select{width:100%;padding:.75rem .9rem;font-size:1rem;border-radius:10px;border:1px solid var(--border);background:var(--input-bg);color:var(--text)}.wizard-mood-options{display:flex;gap:.5rem;flex-wrap:wrap}.wizard-mood-btn{display:flex;flex-direction:column;align-items:center;gap:.3rem;padding:.65rem .75rem;border-radius:12px;border:1px solid var(--border);background:transparent;cursor:pointer;transition:border-color .2s,background .2s,transform .15s;min-width:72px}.dark .wizard-mood-btn{border-color:#52525b80}.wizard-mood-btn:hover{border-color:var(--accent-cyan);background:color-mix(in srgb,var(--accent-cyan) 8%,transparent)}.wizard-mood-btn--active{border-color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 12%,transparent);border-width:2px}.wizard-mood-emoji{font-size:1.5rem;line-height:1}.wizard-mood-label{font-size:.75rem;color:var(--text-muted);font-weight:500}.wizard-mood-btn--active .wizard-mood-label{color:var(--accent-lime)}.wizard-multi{display:flex;flex-direction:column;gap:.75rem}.wizard-multi-options{display:flex;flex-wrap:wrap;gap:.5rem}.wizard-multi-btn{padding:.55rem .8rem;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--text);font-size:.9rem;cursor:pointer;transition:border-color .2s,background .2s}.wizard-multi-btn:hover{border-color:var(--accent-cyan);background:color-mix(in srgb,var(--accent-cyan) 8%,transparent)}.wizard-multi-btn--active{border-color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 14%,transparent);font-weight:600}.wizard-multi-other{display:flex;flex-direction:column;gap:.35rem}.wizard-med-time{display:flex;flex-direction:column;gap:.35rem;margin-top:.85rem}.wizard-plan-type{margin-bottom:.5rem}.wizard-plan-type-options{display:flex;gap:.75rem;flex-wrap:wrap}.wizard-plan-type-btn{flex:1;min-width:140px;padding:.85rem 1rem;font-size:1rem;font-weight:600;border-radius:12px;border:2px solid var(--border);background:var(--card-bg);color:var(--text);cursor:pointer;transition:border-color .2s,background .2s}.wizard-plan-type-btn:hover{border-color:var(--accent-lime)}.wizard-plan-type-btn--active{border-color:var(--accent-lime);background:linear-gradient(135deg,#84cc161f,#06b6d414)}.wizard-plan-type-hint{font-size:.9rem;color:var(--text-muted);margin:.75rem 0 0}.wizard-plan-type-pill{display:inline-block;margin-left:.4rem;padding:.1rem .5rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;border-radius:999px;border:1px solid var(--accent-lime);color:var(--accent-lime)}.wizard-plan-type-note{margin-top:.5rem;font-size:.85rem;color:var(--text-muted)}.wizard-test-date-heading{display:block;font-size:.9rem;font-weight:500;color:var(--text-muted);margin-bottom:.75rem}.wizard-test-date-dropdowns{display:flex;gap:.75rem;flex-wrap:wrap}.wizard-test-date-label{display:flex;flex-direction:column;gap:.35rem;flex:1;min-width:0}.wizard-test-date-label span{font-size:.85rem;font-weight:500;color:var(--text-muted)}.wizard-test-date-dropdowns .wizard-select{width:100%;padding:.65rem .75rem;font-size:1rem;border-radius:10px;border:1px solid var(--border);background:var(--input-bg);color:var(--text)}.wizard-confidence-hint{font-size:.9rem;color:var(--text-muted);margin:0 0 .75rem}.wizard-confidence-scale{display:flex;flex-wrap:wrap;gap:.4rem}.wizard-confidence-btn{width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:600;border-radius:10px;border:2px solid var(--border);background:var(--card-bg);color:var(--text);cursor:pointer;transition:border-color .2s,background .2s}.wizard-confidence-btn:hover{border-color:var(--accent-lime)}.wizard-confidence-btn--active{border-color:var(--accent-lime);background:var(--accent-gradient);color:#fff}.wizard-confidence-value{font-size:.95rem;color:var(--text-muted);margin:.75rem 0 0}.wizard-checkbox{flex-direction:row!important;align-items:center;gap:.5rem}.wizard-checkbox input{width:20px;height:20px;accent-color:var(--accent-primary)}.wizard-actions{display:flex;justify-content:space-between;gap:1rem;margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}.wizard-actions .btn-primary{background:var(--accent-gradient);color:#fff;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border-radius:12px;border:none}.wizard-actions .btn-primary:hover:not(:disabled){filter:brightness(1.1)}.wizard-actions .btn-primary:disabled{opacity:.8;cursor:wait}.wizard-actions .btn-secondary{background:transparent;color:var(--text-muted);padding:.75rem 1.25rem;font-size:.95rem;border:1px solid var(--border)}.wizard-actions .btn-secondary:hover{color:var(--text);background:var(--bg-muted)}.wizard-footer-note{text-align:center;font-size:.8rem;color:var(--text-muted);margin:1rem 0 0}.wizard-help{position:fixed;bottom:1.5rem;right:1.5rem;width:36px;height:36px;border-radius:50%;background:var(--bg-muted);color:var(--text);font-size:1rem;font-weight:600;display:flex;align-items:center;justify-content:center;border:1px solid var(--border)}.wizard-help:hover{background:var(--border)}.wizard-account-step{margin-top:.5rem}.wizard-account-text{color:var(--text-muted);font-size:.95rem;margin:0 0 1.25rem;line-height:1.5}.wizard-account-buttons{display:flex;flex-wrap:wrap;gap:.75rem}.wizard-account-btn{padding:.6rem 1.25rem;font-size:.95rem;font-weight:500;background:var(--bg-muted);color:var(--text);border:1px solid var(--border);border-radius:10px}.wizard-account-btn:hover{background:var(--border)}.wizard-account-btn--primary{background:var(--accent-gradient);color:#fff;border:none}.wizard-account-btn--primary:hover{filter:brightness(1.1)}.wizard-week{display:flex;flex-direction:column;gap:1rem}.wizard-week-hint{font-size:.95rem;color:var(--text-muted);margin:0 0 .25rem}.wizard-week-google-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.wizard-week-google-soon-pill{display:inline-flex;align-items:center;justify-content:center;padding:.35rem .6rem;border-radius:999px;border:1px solid var(--border);background:var(--bg-muted);color:var(--text-muted);font-size:.85rem;font-weight:700}.wizard-week-google-btn{align-self:flex-start;padding:.65rem 1.25rem;font-size:1rem;font-weight:600;background:var(--accent-gradient);color:#fff;border:none;border-radius:10px;cursor:pointer}.wizard-week-google-btn:hover:not(:disabled){filter:brightness(1.1)}.wizard-week-google-btn:disabled{opacity:.7;cursor:not-allowed}.wizard-week-google-missing{font-size:.9rem;color:var(--text-muted);margin:0}.wizard-week-error{font-size:.9rem;color:#dc2626;margin:0}.wizard-week-manual{display:flex;flex-direction:column;gap:.35rem}.wizard-week-manual span{font-size:.9rem;font-weight:500;color:var(--text-muted)}.wizard-week-ranges{border:1px solid var(--border);border-radius:12px;padding:.85rem;background:color-mix(in srgb,var(--bg-muted) 55%,transparent)}.wizard-week-ranges-title{margin:0 0 .6rem;font-size:.86rem;color:var(--text-muted)}.wizard-week-range-row{display:flex;flex-direction:column;gap:.45rem;margin-bottom:.65rem}.wizard-week-range-row:last-child{margin-bottom:0}.wizard-week-range-label{font-size:.88rem;color:var(--text);font-weight:600}.wizard-week-range-fields{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:.5rem}@media(max-width:520px){.wizard-week-range-fields{grid-template-columns:1fr}}.wizard--count-loading{display:flex;align-items:center;justify-content:center;min-height:220px;padding:2rem}.wizard-count-loading-text{color:var(--text-muted);font-size:.95rem;margin:0}.wizard-step-surface{will-change:transform,opacity}.wizard-step-surface--leave{animation:wizardStepSwipeUp .38s cubic-bezier(.32,.72,0,1) forwards}.wizard-step-surface--enter{animation:wizardStepSwipeIn .38s cubic-bezier(.32,.72,0,1) forwards}@keyframes wizardStepSwipeUp{0%{transform:translateY(0);opacity:1}to{transform:translateY(-120%);opacity:0}}@keyframes wizardStepSwipeIn{0%{transform:translateY(42px);opacity:0}to{transform:translateY(0);opacity:1}}.library-creator-line{display:flex;align-items:center;gap:.45rem}.library-creator-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;flex-shrink:0;border:1px solid rgba(255,255,255,.25)}.dark .library-creator-avatar{border-color:#ffffff26}.plan-public-card .library-creator-avatar{border-color:#ffffff59}.study-plan{max-width:720px;margin:0 auto;padding:1.5rem 0 3rem}.plan-error{background:#dc505026;border:1px solid rgba(220,80,80,.4);color:var(--text);padding:.75rem 1rem;border-radius:10px;font-size:.9rem;margin-bottom:1rem}.plan-info{background:color-mix(in srgb,var(--accent-primary) 12%,transparent);border:1px solid color-mix(in srgb,var(--accent-primary) 35%,transparent);color:var(--text);padding:.75rem 1rem;border-radius:10px;font-size:.9rem;margin-bottom:1rem}.plan-header{position:relative;z-index:2;text-align:center;margin-bottom:2rem}.plan-technique-title{font-size:1.85rem;font-weight:700;margin:0 0 .75rem;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.plan-technique-description{color:var(--text);font-size:1rem;line-height:1.6;margin:0 0 .5rem}.plan-state-kicker{margin:0 0 .35rem;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-weight:700}.plan-state-sub{margin:0 0 .6rem;font-size:.92rem;color:color-mix(in srgb,var(--text) 82%,#a7f3d0 18%);font-weight:600}.plan-emotion-feedback{margin:.5rem 0 0;font-size:.9rem;color:color-mix(in srgb,var(--text-muted) 84%,#bfdbfe 16%)}.plan-summary{color:var(--text-muted);font-size:.9rem;line-height:1.5;margin:0}.library-health-disclaimer{color:var(--text-muted);font-size:.72rem;line-height:1.4;margin:.6rem 0 0;opacity:.75}.library-health-disclaimer a{color:var(--accent-primary);text-decoration:underline}.plan-section-burnout{margin-bottom:1.5rem}.plan-section-burnout .plan-section-heading{margin-bottom:.75rem}.plan-burnout{position:relative;padding:1.75rem 1.25rem 1.25rem;background:var(--card-bg);border:1px solid var(--border);border-radius:12px;overflow:hidden}.dark .plan-burnout{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.plan-burnout-title,.plan-burnout-meter,.plan-burnout-label,.plan-burnout-why,.plan-burnout-tips{position:relative;z-index:1}.plan-burnout-title{font-size:1rem;font-weight:600;margin:0 0 .75rem;color:var(--text)}.plan-burnout-meter{height:10px;background:var(--border);border-radius:6px;overflow:hidden;margin-bottom:.5rem}.plan-burnout-bar{height:100%;border-radius:6px;transition:width .3s ease}.plan-burnout-bar--animate{transform-origin:left center;animation:burnout-fill .9s ease-out}@keyframes burnout-fill{0%{transform:scaleX(.15);opacity:.55}to{transform:scaleX(1);opacity:1}}.plan-burnout-bar[data-level=Low]{background:linear-gradient(90deg,#22c55e,#4ade80)}.plan-burnout-bar[data-level=Moderate]{background:linear-gradient(90deg,#eab308,#facc15)}.plan-burnout-bar[data-level=High]{background:linear-gradient(90deg,#f97316,#fb923c)}.plan-burnout-bar[data-level="Very high"]{background:linear-gradient(90deg,#ef4444,#f87171)}.plan-burnout-bar[data-level=Unknown]{background:var(--text-muted)}.plan-burnout-label{font-size:.9rem;margin:0 0 .5rem;color:var(--text)}.plan-burnout-label-value{font-weight:600}.plan-burnout-label-score{color:var(--text-muted);font-weight:400;margin-left:.25rem}.plan-burnout-why{font-size:.85rem;line-height:1.5;margin:0 0 1rem;color:var(--text-muted)}.plan-burnout-micro{margin:0 0 .55rem;font-size:.82rem;color:color-mix(in srgb,var(--text-muted) 82%,#a7f3d0 18%)}.plan-why-card,.plan-action-card{border-radius:12px;border:1px solid var(--border);padding:1rem 1.05rem;background:color-mix(in srgb,var(--card-bg) 90%,#06b6d4 10%)}.dark .plan-why-card,.dark .plan-action-card{border-color:#2dd4bf40;background:#082f4959}.plan-why-title,.plan-action-title{margin:0 0 .55rem;font-size:.98rem;color:var(--text)}.plan-why-list{margin:0;padding-left:1rem;color:var(--text-muted);font-size:.88rem;line-height:1.5}.plan-why-list li{margin-bottom:.35rem}.plan-why-list li:last-child{margin-bottom:0}.plan-action-flow{margin:0 0 .75rem;color:var(--text-muted);font-size:.88rem}.plan-action-btn{border:none;border-radius:999px;padding:.5rem .95rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#22c55e,#06b6d4)}.plan-action-inline{margin-top:.85rem;padding-top:.75rem;border-top:1px dashed color-mix(in srgb,var(--accent-cyan) 36%,var(--border) 64%)}.plan-burnout-tips{border-top:1px solid var(--border);padding-top:1rem;margin-top:.25rem}.plan-burnout-tips-title{font-size:.95rem;font-weight:600;margin:0 0 .5rem;color:var(--text)}.plan-burnout-tips-list{margin:0;padding-left:1.25rem;font-size:.85rem;line-height:1.6;color:var(--text-muted)}.plan-burnout-tips-list li{margin-bottom:.35rem}.plan-burnout-tips-list li:last-child{margin-bottom:0}.plan-two-col{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}.plan-box{border-radius:12px;padding:1.25rem;background:var(--card-bg);border:1px solid var(--border)}.dark .plan-box{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.plan-box-considerations{border-color:#22c55e}.plan-box-deadlines{border-color:#ef4444}.plan-box-title{display:flex;align-items:center;gap:.5rem;font-size:.95rem;font-weight:600;margin:0 0 .75rem}.plan-box-considerations .plan-box-title{color:#22c55e}.plan-box-deadlines .plan-box-title{color:#ef4444}.plan-box-list{margin:0;padding-left:0;list-style:none;font-size:.9rem;color:var(--text);line-height:1.5}.plan-box-list li{margin-bottom:.4rem}.plan-box-list .deadline-label{font-weight:500}.plan-box-list .deadline-tip{color:var(--text-muted);font-weight:400}.deadline-na{color:var(--text-muted)}.plan-section{margin-bottom:1.5rem}.plan-section-heading{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:700;color:var(--text);margin:0 0 1rem}.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.tip-card{position:relative;display:flex;flex-direction:column;height:100%;border-radius:12px;padding:1.25rem;background:var(--card-bg);border:1px solid var(--border)}.dark .tip-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.tip-card-list{margin:0;padding-left:1.25rem;font-size:.875rem;color:var(--text-muted);line-height:1.5}.tip-card-list li{margin-bottom:.45rem}.tip-card-list li:last-child{margin-bottom:0}.tip-card-list-title{font-weight:600;color:var(--text)}.tip-card-list-desc{color:var(--text-muted)}@keyframes tip-card-animation{0%{background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,linear-gradient(135deg,var(--accent-lime),var(--accent-cyan)) border-box}to{background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,linear-gradient(135deg,var(--accent-cyan),var(--accent-lime)) border-box}}.tip-card-title{font-size:1rem;font-weight:700;color:var(--text);margin:0 0 .35rem}.tip-card-desc{font-size:.875rem;color:var(--text-muted);line-height:1.5;margin:0}.block-day-group{margin-bottom:1.5rem}.block-day-group:last-child{margin-bottom:0}.block-day-title{font-size:1.1rem;font-weight:700;color:var(--text);margin:0 0 .15rem}.block-day-subtitle{font-size:.85rem;color:var(--text-muted);margin:0 0 .75rem}.block-day-cards{display:flex;flex-direction:column;gap:.75rem}.study-block-card{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:1rem 1.25rem}.dark .study-block-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.study-block-card-main{flex:1;min-width:0}.study-block-time{display:block;font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:.25rem}.study-block-subject{display:block;font-size:.95rem;color:var(--text);margin-bottom:.25rem}.study-block-meta{font-size:.85rem;color:var(--text-muted);margin:0}.study-block-priority{flex-shrink:0;padding:.25rem .6rem;border-radius:999px;font-size:.75rem;font-weight:600;text-transform:uppercase}.study-block-priority-high{background:#ef4444;color:#fff}.study-block-priority-medium{background:#22c55e;color:#fff}.study-block-priority-low{background:var(--text-muted);color:#fff}.fallback-blocks{display:flex;flex-direction:column;gap:.75rem}.btn-back{background:var(--bg-muted);color:var(--text);padding:.65rem 1.25rem;font-size:.95rem;border:1px solid var(--border);border-radius:10px}.btn-back:hover{background:var(--border)}.plan-footer{margin-top:2rem;text-align:center}.plan-section-public-library{position:relative;z-index:0;margin-top:2.5rem;padding-top:.25rem}.study-plan>.plan-header+.plan-section-public-library{margin-top:0}.plan-public-description{font-size:.9rem;color:var(--text-muted);margin:0 0 .75rem}.plan-public-controls{display:flex;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:.75rem;flex-wrap:wrap}.plan-public-search-hint{font-size:.8rem;color:var(--text-muted)}.plan-public-folder-select{display:flex;align-items:center;gap:.4rem;font-size:.8rem}.plan-public-folder-select label{color:var(--text-muted)}.plan-public-folder-select select{font-size:.85rem;padding:.25rem .6rem}.plan-public-error{font-size:.85rem;color:#ef4444;margin:0 0 .5rem}.plan-public-loading,.plan-public-empty{font-size:.9rem;color:var(--text-muted);margin:.25rem 0 0}.plan-public-grid{list-style:none;padding:0;margin:.5rem 0 0;display:flex;flex-wrap:nowrap;gap:.75rem;overflow-x:hidden;scroll-snap-type:x mandatory}.plan-public-row{display:flex;align-items:stretch;gap:.75rem;margin-bottom:1.5rem}.plan-public-group{margin-bottom:2.5rem}.plan-public-scroll-btn{border:1px solid var(--border);background:var(--card-bg);color:var(--text);border-radius:999px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}.plan-public-scroll-btn:hover{border-color:var(--accent-cyan)}.plan-public-scroll-btn:disabled{opacity:.3;cursor:default}.plan-public-card{display:flex;flex-direction:column;gap:.5rem;flex:0 0 calc(33.333% - .5rem);min-width:0;scroll-snap-align:start;padding:.75rem .85rem;border-radius:12px;border:1px solid var(--border);background:var(--card-bg)}.dark .plan-public-scroll-btn{background:#111111b3;border-color:#52525bb3}.dark .plan-public-card{border-color:#52525bb3;background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%)}.plan-public-card.plan-public-card--tone-0,.dark .plan-public-card.plan-public-card--tone-0{background:linear-gradient(155deg,#0f766e,#0d9488);border-color:#a5f3fc73;backdrop-filter:none;-webkit-backdrop-filter:none}.plan-public-card.plan-public-card--tone-1,.dark .plan-public-card.plan-public-card--tone-1{background:linear-gradient(155deg,#0369a1,#0284c7);border-color:#bae6fd73;backdrop-filter:none;-webkit-backdrop-filter:none}.plan-public-card.plan-public-card--tone-2,.dark .plan-public-card.plan-public-card--tone-2{background:linear-gradient(155deg,#047857,#059669);border-color:#a7f3d073;backdrop-filter:none;-webkit-backdrop-filter:none}.plan-public-card.plan-public-card--tone-3,.dark .plan-public-card.plan-public-card--tone-3{background:linear-gradient(155deg,#0e7490,#0891b2);border-color:#a5f3fc66;backdrop-filter:none;-webkit-backdrop-filter:none}.plan-public-card.plan-public-card--tone-0 .plan-public-type,.plan-public-card.plan-public-card--tone-1 .plan-public-type,.plan-public-card.plan-public-card--tone-2 .plan-public-type,.plan-public-card.plan-public-card--tone-3 .plan-public-type{color:#f0fdfacc}.plan-public-card.plan-public-card--tone-0 .plan-public-title,.plan-public-card.plan-public-card--tone-1 .plan-public-title,.plan-public-card.plan-public-card--tone-2 .plan-public-title,.plan-public-card.plan-public-card--tone-3 .plan-public-title{color:#f8fafc}.plan-public-card.plan-public-card--tone-0 .plan-public-desc,.plan-public-card.plan-public-card--tone-1 .plan-public-desc,.plan-public-card.plan-public-card--tone-2 .plan-public-desc,.plan-public-card.plan-public-card--tone-3 .plan-public-desc,.plan-public-card.plan-public-card--tone-0 .plan-public-by,.plan-public-card.plan-public-card--tone-1 .plan-public-by,.plan-public-card.plan-public-card--tone-2 .plan-public-by,.plan-public-card.plan-public-card--tone-3 .plan-public-by{color:#ecfdf5e0}.plan-public-card.plan-public-card--tone-0 .plan-public-view-hint,.plan-public-card.plan-public-card--tone-1 .plan-public-view-hint,.plan-public-card.plan-public-card--tone-2 .plan-public-view-hint,.plan-public-card.plan-public-card--tone-3 .plan-public-view-hint{color:#fef08a;text-shadow:0 1px 2px rgba(15,23,42,.35)}.plan-public-card:hover{border-color:var(--accent-cyan);border-width:2px;box-shadow:0 0 0 2px color-mix(in srgb,var(--accent-cyan) 35%,transparent)}.plan-public-card.plan-public-card--tone-0:hover,.plan-public-card.plan-public-card--tone-1:hover,.plan-public-card.plan-public-card--tone-2:hover,.plan-public-card.plan-public-card--tone-3:hover{border-width:2px;border-color:#ffffff8c;box-shadow:0 4px 22px #0f172a40}.plan-public-type{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:.25rem}.plan-public-title{font-size:.95rem;font-weight:600;color:var(--text);margin:0 0 .25rem}.plan-public-desc{font-size:.8rem;color:var(--text-muted);margin:0 0 .5rem}.plan-public-by{font-size:.75rem;color:var(--text-muted);margin:0 0 .5rem;opacity:.9}.plan-public-btn{padding:.3rem .7rem;font-size:.8rem;border-radius:999px;background:var(--accent-gradient);color:#fff;border:none}.plan-public-btn:hover{filter:brightness(1.05)}.plan-public-card-main{flex:1;min-width:0}.plan-public-card-main.plan-public-card--clickable{cursor:pointer}.plan-public-card .plan-public-card-actions{flex-shrink:0}.plan-public-view-hint{font-size:.8rem;color:var(--accent-lime);margin-top:.35rem;display:inline-block}.plan-public-card-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}@media(max-width:600px){.plan-two-col,.tips-grid{grid-template-columns:1fr}.plan-public-card{flex:0 0 85%}}.plan-list{max-width:560px;margin:0 auto;padding:2rem 1rem 3rem}.plan-list-loading,.plan-list-error{text-align:center;color:var(--text-muted);padding:2rem}.plan-list-error{color:var(--error, #dc2626)}.plan-list-title{font-size:1.75rem;font-weight:700;color:var(--text);margin:0 0 .35rem;text-align:center}.plan-list-subtitle{font-size:.95rem;color:var(--text-muted);margin:0 0 1.5rem;text-align:center}.plan-list-ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.75rem}.plan-list-week-li{display:flex;align-items:center}.plan-list-week-card{display:flex;align-items:center;justify-content:space-between;flex:1;min-width:0;padding:1rem .75rem 1rem 1.25rem;background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,var(--accent-gradient) border-box;border:1px solid transparent;border-radius:12px;color:var(--text);font-size:1rem;text-align:left;cursor:pointer;transition:border-color .15s,background .15s,box-shadow .2s;box-shadow:0 2px 10px #84cc161a,0 2px 10px #06b6d414}.dark .plan-list-week-card{background:#1e1e1e8c;border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 2px 12px #0000004d}.plan-list-week-card:hover{border-color:var(--accent-lime);background:var(--card-bg-hover, color-mix(in srgb, var(--accent-lime) 8%, transparent))}.dark .plan-list-week-card:hover{background:#282828a6;border-color:#ffffff26;box-shadow:0 0 0 1px #84cc1626,0 4px 16px #00000059}.plan-list-week-label{font-weight:500}.plan-list-week-delete{flex-shrink:0;width:32px;height:32px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--text-muted);font-size:1.25rem;line-height:1;cursor:pointer;transition:color .15s,border-color .15s,background .15s}.plan-list-week-delete:hover:not(:disabled){color:#dc2626;border-color:#dc262666;background:#dc262614}.plan-list-week-delete:disabled{opacity:.6;cursor:not-allowed}.plan-list-empty{text-align:center;padding:2rem 1rem}.plan-list-empty p{color:var(--text-muted);margin:0 0 1rem}.plan-list-btn-primary{padding:.6rem 1.25rem;background:var(--accent-gradient);color:#fff;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer}.plan-list-btn-primary:hover{filter:brightness(1.08)}.plan-list-create-wrap{margin-top:1.5rem;text-align:center}.plan-list-btn-secondary{padding:.5rem 1rem;background:linear-gradient(var(--card-bg),var(--card-bg)) padding-box,var(--accent-gradient) border-box;color:var(--accent-lime);border:1px solid transparent;border-radius:8px;font-size:.9rem;cursor:pointer;box-shadow:0 2px 8px #84cc161a,0 2px 8px #06b6d414}.dark .plan-list-btn-secondary{background:#1e1e1e8c;border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.plan-list-btn-secondary:hover{background:color-mix(in srgb,var(--accent-lime) 12%,transparent)}.generating-overlay{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:2rem}.generating-card{display:flex;flex-direction:column;align-items:center;gap:1.25rem;padding:3rem 2.5rem;border-radius:16px;background:var(--card-bg);border:none;max-width:420px;width:100%;text-align:center}.dark .generating-card{background:var(--bg);border:none}.generating-spinner{position:relative;width:56px;height:56px}.generating-spinner-ring{position:absolute;inset:0;border-radius:50%;border:3px solid transparent;border-top-color:var(--accent-lime);border-right-color:var(--accent-cyan);animation:generating-spin 1.2s cubic-bezier(.5,0,.5,1) infinite}.generating-spinner-ring--delayed{inset:6px;border-top-color:var(--accent-cyan);border-right-color:var(--accent-lime);animation-delay:-.4s;animation-direction:reverse}@keyframes generating-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.generating-title{font-size:1.25rem;font-weight:700;color:var(--text);margin:0}.generating-tip{font-size:.95rem;color:var(--text-muted);margin:0;min-height:1.5em;animation:generating-fade-in .4s ease}@keyframes generating-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.study-math-md{color:var(--text);font-size:inherit;line-height:1.55}.study-math-md .katex{font-size:1.05em}.study-math-md .katex-display{margin:.75em 0;overflow-x:auto;overflow-y:hidden}.study-math-md p{margin:.4em 0}.study-math-md p:first-child{margin-top:0}.study-math-md p:last-child{margin-bottom:0}.study-math-md ul,.study-math-md ol{margin:.35em 0;padding-left:1.25em}.study-math-md code{font-size:.92em;padding:.1em .35em;border-radius:4px;background:var(--bg-muted, rgba(0, 0, 0, .06))}.dark .study-math-md code{background:#ffffff14}.study-math-md--compact .study-math-md-compact-p{display:block;margin:0}.study-flashcard-text .study-math-md,.study-test-option .study-math-md{white-space:normal}.study-page{max-width:640px;margin:0 auto;padding:2rem 1rem 3rem}.study-main-title{font-size:1.75rem;font-weight:700;color:var(--text);margin:0 0 .5rem}.study-main-hint,.study-folder-hint{color:var(--text-muted);font-size:.95rem;margin:0 0 1.5rem;line-height:1.5}.study-subfolder-row{margin:-.5rem 0 1rem;display:flex;flex-direction:column;gap:.6rem}.study-subfolder-tabs{display:flex;flex-wrap:wrap;gap:.45rem}.study-subfolder-tab{padding:.3rem .65rem;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--text-muted);font-size:.82rem;cursor:pointer}.study-subfolder-tab--active{border-color:var(--accent-lime);color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 10%,transparent)}.study-subfolder-add{display:flex;align-items:flex-start;gap:.55rem}.study-subfolder-input{margin-bottom:0;max-width:260px}.study-main-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}.study-add-folder-btn{margin-bottom:0}.study-add-folder{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:1.25rem;margin-bottom:1.5rem}.dark .study-add-folder{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.study-folder-input{width:100%;padding:.65rem .85rem;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);margin-bottom:1rem}.study-folder-input:focus{outline:none;border-color:var(--accent-lime)}.study-add-folder-actions{display:flex;gap:.75rem}.study-folder-list{list-style:none;margin:0;padding:0}.study-folder-card-wrap{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;padding:.25rem .35rem;border-radius:12px;border:1px solid var(--border);background:var(--card-bg);transition:border-color .2s,box-shadow .2s,transform .1s}.dark .study-folder-card-wrap{border-color:#52525bb3;background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%)}.study-folder-card{flex:1;display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;background:transparent;border:none;border-radius:8px;text-align:left;color:var(--text);font-size:1rem;cursor:pointer}.study-folder-card-wrap:hover{border-color:var(--accent-lime);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent-lime) 35%,transparent);transform:translateY(-1px)}.study-folder-name{font-weight:600}.study-folder-card-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:.2rem}.study-folder-desc{font-size:.85rem;color:var(--text-muted);font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.study-folder-description{font-size:.95rem;color:var(--text-muted);margin:0 0 .5rem;line-height:1.5}.study-folder-count{margin-left:auto;font-size:.85rem;color:var(--text-muted);flex-shrink:0}.study-folder-desc-input{resize:vertical;min-height:60px}.study-folder-delete{width:32px;height:32px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--text-muted);font-size:1.25rem;line-height:1;cursor:pointer;transition:color .15s,border-color .15s,background .15s}.study-folder-delete:hover{color:#dc2626;border-color:#dc262666;background:#dc262614}.study-folder-edit{flex-shrink:0;padding:0 .75rem;height:32px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--text-muted);font-size:.85rem;cursor:pointer}.study-folder-edit:hover{border-color:var(--accent-lime);color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 8%,transparent)}.study-folder-edit-inline{flex:1;display:flex;flex-direction:column;gap:.75rem;padding:1rem;background:var(--card-bg);border:1px solid var(--border);border-radius:12px}.dark .study-folder-edit-inline{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.study-folder-edit-inline--card{margin-bottom:.75rem}.study-folder-edit-actions{display:flex;gap:.5rem}.study-folder-title-row{display:flex;align-items:center;gap:.75rem;margin-bottom:.25rem}.study-folder-edit-btn{padding:.35rem .65rem;font-size:.85rem;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--text-muted);cursor:pointer;transition:color .15s,border-color .15s,background .15s}.study-folder-edit-btn:hover{border-color:var(--accent-lime);color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 8%,transparent)}.study-empty{color:var(--text-muted);font-size:.95rem;margin:0}.study-recordings-actions{margin-bottom:1.5rem}.study-recording-active{display:flex;align-items:center;gap:1rem}.study-recording-timer{font-variant-numeric:tabular-nums;font-size:1.25rem;font-weight:600;color:var(--text)}.study-recordings-list{list-style:none;margin:0;padding:0}.study-recording-item{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem;background:var(--card-bg);border:1px solid var(--border);border-radius:12px;margin-bottom:.75rem}.dark .study-recording-item{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.study-recording-info{display:flex;flex-direction:column;gap:.25rem;min-width:0}.study-recording-name{font-weight:600;color:var(--text);font-size:.95rem;overflow:hidden;text-overflow:ellipsis}.study-recording-meta{font-size:.85rem;color:var(--text-muted)}.study-recording-controls{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.study-recording-btn{padding:.4rem .85rem;font-size:.9rem}.study-recording-delete{width:32px;height:32px;border:1px solid var(--border);border-radius:8px;background:var(--card-bg);color:var(--text-muted);font-size:1.2rem;line-height:1;cursor:pointer}.study-recording-delete:hover{color:#dc2626;border-color:#dc262666}.study-breadcrumb{display:flex;align-items:center;gap:.5rem;margin-bottom:1.25rem}.study-back{background:none;border:none;color:var(--accent-lime);font-size:.95rem;cursor:pointer;padding:.25rem 0}.study-back:hover{text-decoration:underline}.study-breadcrumb-name{color:var(--text-muted);font-size:.95rem}.study-folder-title{font-size:1.5rem;font-weight:700;color:var(--text);margin:0 0 .25rem}.study-add-buttons{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}.study-btn{padding:.6rem 1.25rem;font-size:.95rem;font-weight:600;border-radius:8px;cursor:pointer;border:none}.study-btn-primary{background:var(--accent-gradient);color:#fff}.study-btn-primary:hover:not(:disabled){filter:brightness(1.08)}.study-btn-primary:disabled{opacity:.6;cursor:not-allowed}.study-btn-secondary{background:var(--card-bg);color:var(--text);border:1px solid var(--border)}.dark .study-btn-secondary{background:#1119;border-color:#52525bb3}.study-btn-secondary:hover{border-color:var(--accent-lime);color:var(--accent-lime)}.study-item-list{list-style:none;margin:0;padding:0}.study-item-list li{margin-bottom:.5rem}.study-item-wrap{display:flex;align-items:center;gap:.5rem;padding:.25rem .35rem;border-radius:12px;border:1px solid var(--border);background:var(--card-bg);transition:border-color .2s}.dark .study-item-wrap{border-color:#52525bb3;background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%)}.study-item-card{flex:1;display:flex;flex-direction:column;align-items:flex-start;width:100%;padding:1rem 1.25rem;background:transparent;border:none;border-radius:8px;text-align:left;color:var(--text);cursor:pointer}.study-item-wrap:hover{border-color:var(--accent-lime)}.study-item-type{font-size:.8rem;color:var(--text-muted);margin-bottom:.25rem}.study-item-title{font-weight:600;font-size:1rem}.study-item-edit{flex-shrink:0;padding:0 .6rem;height:32px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-muted);font-size:.85rem;transition:color .15s,border-color .15s,background .15s;cursor:pointer}.study-item-edit:hover{border-color:var(--accent-lime);color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 8%,transparent)}.study-item-delete{flex-shrink:0;width:32px;height:32px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-muted);font-size:1.25rem;line-height:1;cursor:pointer;transition:color .15s,border-color .15s,background .15s}.study-item-delete:hover{color:#dc2626;border-color:#dc262666;background:#dc262614}.study-item-move-wrap{display:flex;flex-direction:column;gap:.2rem;min-width:120px}.study-item-move-label{font-size:.72rem;color:var(--text-muted)}.study-item-move-select{height:32px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:.8rem;padding:0 .45rem}.study-item-move-select:focus{outline:none;border-color:var(--accent-lime)}.study-item-edit-inline{flex:1;display:flex;align-items:center;gap:.5rem}.study-item-edit-input{flex:1;padding:.5rem .75rem;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}.study-item-edit-input:focus{outline:none;border-color:var(--accent-lime)}.study-item-edit-btn{flex-shrink:0}.study-empty-items{color:var(--text-muted);font-size:.95rem;margin:0}.study-create-box{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:1.5rem}.dark .study-create-box{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.study-create-title{font-size:1.25rem;font-weight:700;color:var(--text);margin:0 0 .5rem}.study-create-hint{color:var(--text-muted);font-size:.9rem;margin:0 0 1rem}.study-create-option{margin-bottom:1rem}.study-create-multi{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem}.study-create-check{display:flex;align-items:center;gap:.5rem;font-size:.95rem;color:var(--text);cursor:pointer}.study-create-check input{accent-color:var(--accent-lime)}.study-create-option-inline{margin-left:1.5rem;margin-top:.35rem;margin-bottom:0;display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.study-create-radio-inline{display:inline-flex;align-items:center;gap:.35rem;font-size:.9rem;color:var(--text);cursor:pointer}.study-create-radio-inline input{accent-color:var(--accent-lime)}.study-create-label{display:block;font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:.5rem}.study-create-number{width:80px;padding:.5rem .65rem;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}.study-create-number:focus{outline:none;border-color:var(--accent-lime)}.study-create-radio-group{display:flex;flex-wrap:wrap;gap:1rem;margin-top:.5rem}.study-create-radio{display:flex;align-items:center;gap:.5rem;font-size:.95rem;color:var(--text);cursor:pointer}.study-create-radio input{accent-color:var(--accent-lime)}.study-create-input-row{margin-bottom:1rem}.study-create-textarea{width:100%;min-height:160px;padding:.85rem;font-size:.95rem;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);resize:vertical;margin-bottom:.75rem}.study-create-pdf-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.study-create-pdf-input{position:absolute;width:.1px;height:.1px;opacity:0;overflow:hidden;z-index:-1}.study-create-pdf-list{list-style:none;margin:.75rem 0 0;padding:0;display:flex;flex-direction:column;gap:.5rem}.study-create-pdf-item{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:var(--bg-muted);border:1px solid var(--border);border-radius:8px}.study-create-pdf-name{flex:1;font-size:.9rem;color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis}.study-create-pdf-remove{flex-shrink:0;width:28px;height:28px;border:none;background:transparent;color:var(--text-muted);font-size:1.25rem;line-height:1;cursor:pointer;border-radius:6px}.study-create-pdf-remove:hover{color:#dc2626;background:color-mix(in srgb,#dc2626 12%,transparent)}.study-create-textarea:focus{outline:none;border-color:var(--accent-lime)}.study-create-error{color:#dc2626;font-size:.9rem;margin:0 0 .75rem}.study-create-actions{display:flex;gap:.75rem;flex-wrap:wrap}.study-generated-preview{margin-bottom:1rem}.study-save-title{width:100%;padding:.6rem .85rem;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);margin-top:.5rem}.study-viewer{max-width:560px;margin:0 auto;padding:2rem 1rem 3rem}.study-viewer--wide-text{max-width:1080px}.study-viewer-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}.study-viewer-back{background:none;border:none;color:var(--accent-lime);font-size:.95rem;cursor:pointer}.study-viewer-back:hover{text-decoration:underline}.study-viewer-title{font-weight:600;color:var(--text);flex:1}.study-viewer-nav{font-size:.9rem;color:var(--text-muted)}.study-viewer-by{font-size:.85rem;color:var(--text-muted);margin:.25rem 0 0}.study-viewer-delete{margin-left:auto;padding:.35rem .65rem;font-size:.85rem;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--text-muted);cursor:pointer;transition:color .15s,border-color .15s,background .15s}.study-viewer-delete:hover{color:#dc2626;border-color:#dc262666;background:#dc262614}.study-flashcard-wrap{margin-top:1rem}.study-flashcard{width:100%;min-height:200px;padding:0;background:transparent;border:none;border-radius:14px;cursor:pointer;text-align:center;perspective:1200px;overflow:visible;transition:transform .2s,box-shadow .2s,border-color .2s}.dark .study-flashcard{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%)}.study-flashcard:hover{transform:scale(1.01)}.study-flashcard-inner{position:relative;width:100%;min-height:200px;border-radius:14px;border:2px solid var(--accent-lime);box-shadow:0 2px 10px #22c55e1f;transform-style:preserve-3d;transition:transform .45s cubic-bezier(.2,.8,.2,1)}.study-flashcard--flipped .study-flashcard-inner{transform:rotateY(180deg)}.study-flashcard-face{position:absolute;inset:0;padding:2rem;display:flex;flex-direction:column;justify-content:center;align-items:center;border-radius:12px;background:var(--card-bg);backface-visibility:hidden;-webkit-backface-visibility:hidden}.study-flashcard-face--back{transform:rotateY(180deg)}.study-flashcard--answer-right .study-flashcard-inner,.study-flashcard--answer-wrong .study-flashcard-inner{pointer-events:none}.study-flashcard--answer-right .study-flashcard-inner{animation:study-practice-answer-right .28s ease-in-out forwards}.study-flashcard--answer-wrong .study-flashcard-inner{animation:study-practice-answer-wrong .28s ease-in-out forwards}@keyframes study-practice-answer-right{0%{transform:rotateY(0) translate(0) translateY(0) scale(1);opacity:1}to{transform:rotateY(18deg) translate(72px) translateY(14px) scale(.92);opacity:.22}}@keyframes study-practice-answer-wrong{0%{transform:rotateY(0) translate(0) translateY(0) scale(1);opacity:1}to{transform:rotateY(-18deg) translate(-72px) translateY(14px) scale(.92);opacity:.22}}.study-flashcard-label{font-size:.8rem;color:var(--text-muted);margin:0 0 .5rem;text-transform:uppercase;letter-spacing:.05em}.study-flashcard-text{font-size:1.15rem;line-height:1.6;color:var(--text);margin:0;white-space:normal}.study-flashcard-arrows{display:flex;justify-content:center;gap:1rem;margin-top:1.25rem}.study-flashcard-arrows button{padding:.5rem 1rem;font-size:.9rem;border-radius:8px;border:1px solid var(--border);background:var(--card-bg);color:var(--text);cursor:pointer}.dark .study-flashcard-arrows button{background:#1119;border-color:#52525bb3}.study-flashcard-arrows button:hover:not(:disabled){border-color:var(--accent-lime);color:var(--accent-lime)}.study-flashcard-arrows button:disabled{opacity:.5;cursor:not-allowed}.study-practice-start{margin-top:1rem}.study-practice-start-subheading{margin:0 0 .55rem;font-size:.9rem;font-weight:600;color:var(--text-muted)}.study-practice-buttons{display:flex;gap:.75rem;margin-top:1rem}.study-practice-summary{margin-top:1.5rem;color:var(--text)}.study-practice-summary h3{margin:0;font-size:1.45rem;line-height:1.2}.study-practice-actions{display:flex;gap:.75rem;margin-top:1.25rem;justify-content:center;flex-wrap:wrap}.study-summary-card{max-width:680px;margin:0 auto;text-align:center;border-radius:16px;padding:1.6rem 1.25rem 1.35rem;background:var(--card-bg)}.study-summary-kicker{margin:0 0 .45rem;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.study-summary-score{margin:.7rem 0 1rem;font-size:1.65rem;font-weight:800;color:var(--accent-lime)}.study-summary-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem}.study-summary-stat{border:1px solid var(--border);border-radius:12px;background:var(--bg-muted);padding:.75rem .55rem}.study-summary-stat-label{display:block;font-size:.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem}.study-summary-stat-value{display:block;font-size:1.35rem;font-weight:700;color:var(--text)}@media(max-width:560px){.study-summary-stats{grid-template-columns:1fr}}.study-guide-view{margin:.5rem auto 0;max-width:1080px;width:100%}.study-overview{margin:0 0 1.25rem;padding:1rem;border-radius:14px;background:var(--card-bg);border:1px solid var(--border)}.study-overview-title{margin:0 0 .75rem;font-size:1.05rem;font-weight:700;color:var(--text)}.study-overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}.study-overview-item{border:1px solid var(--border);border-radius:10px;background:var(--bg-muted);padding:.65rem .7rem}.study-overview-label{display:block;font-size:.78rem;color:var(--text-muted);margin-bottom:.2rem}.study-overview-value{display:block;font-size:1.05rem;font-weight:700;color:var(--text)}.study-overview-bar{margin-top:.5rem;height:6px;border-radius:999px;background:color-mix(in srgb,var(--border) 70%,transparent);overflow:hidden}.study-overview-bar>span{display:block;height:100%;border-radius:999px;background:var(--accent-gradient)}.study-summary-chart{margin:0 0 1.25rem;padding:0}.study-summary-chart-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:.8rem}.study-summary-chart-col,.study-summary-chart-col--vocab{padding:.25rem 0 .6rem}.study-summary-chart-label{margin:0 0 .45rem;font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.study-summary-chart-table{width:100%;border-collapse:collapse;table-layout:fixed;border:1px solid var(--border)}.study-summary-chart-table th,.study-summary-chart-table td{text-align:left;vertical-align:top;padding:.42rem .45rem;border:1px solid var(--border);color:var(--text);font-size:.86rem;line-height:1.45}.study-summary-chart-table th{color:var(--text-muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}.study-summary-chart-table th:first-child,.study-summary-chart-table td:first-child{width:32%;font-weight:600}.study-summary-chart-table tbody tr:last-child td{border-bottom:0}.study-summary-chart-tags{display:flex;flex-wrap:wrap;gap:.4rem}.study-summary-chart-tag{display:inline-flex;align-items:center;padding:.25rem .55rem;border-radius:999px;border:1px solid var(--border);background:color-mix(in srgb,var(--accent-cyan) 10%,transparent);color:var(--text);font-size:.82rem;font-weight:600}.study-summary-chart-list{margin:0;padding-left:1rem;color:var(--text);font-size:.9rem;line-height:1.55}.study-summary-chart-empty{color:var(--text-muted);font-size:.88rem}@media(max-width:640px){.study-overview-grid{grid-template-columns:1fr}.study-summary-chart-table th:first-child,.study-summary-chart-table td:first-child{width:38%}}.study-guide-section{margin-bottom:1.5rem}.study-guide-section-title{font-size:1.1rem;font-weight:700;color:var(--accent-lime);margin:0 0 .5rem}.study-guide-section-content{font-size:.95rem;line-height:1.7;color:var(--text);white-space:pre-wrap}.study-lecture-view{margin:1rem auto 0;max-width:1080px;width:100%}.study-lecture-audio-row,.study-lecture-transcript-row{margin-bottom:1.25rem}.study-lecture-transcript-text{font-size:.95rem;line-height:1.6;color:var(--text);white-space:pre-wrap;margin:0}.study-lecture-summary-box{margin-bottom:1.25rem}.study-lecture-summary-heading{font-size:1rem;font-weight:700;color:var(--accent-lime);margin:0 0 .5rem}.study-lecture-summary-text{font-size:.95rem;line-height:1.6;color:var(--text);margin:0}.study-lecture-notes-list{margin:0 0 1.25rem;padding-left:1.25rem;font-size:.95rem;line-height:1.6;color:var(--text)}.study-lecture-notes-list li{margin-bottom:.35rem}.study-practice-test{margin-top:1rem}.study-test-question{font-size:1.1rem;font-weight:600;color:var(--text);margin:0 0 1.25rem;line-height:1.5}.study-test-options{display:flex;flex-direction:column;gap:.5rem}.study-test-option{padding:.85rem 1rem;text-align:left;font-size:1rem;border:1px solid var(--border);border-radius:10px;background:var(--card-bg);color:var(--text);cursor:pointer;transition:border-color .2s,background .2s}.study-test-option .study-math-md{width:100%}.study-test-option:hover:not(:disabled){border-color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 8%,transparent)}.study-test-option--correct{border-color:#22c55e;background:color-mix(in srgb,#22c55e 15%,transparent)}.study-test-option--wrong{border-color:#dc2626;background:color-mix(in srgb,#dc2626 12%,transparent)}.study-test-next{margin-top:1.25rem}.study-test-score{text-align:center;max-width:680px;margin:0 auto;padding:1.6rem 1.25rem 1.35rem;border-radius:16px;background:var(--card-bg)}.study-test-score h3{font-size:1.45rem;margin:0 0 .75rem;color:var(--text)}.study-test-score-text{font-size:1.1rem;color:var(--text-muted);margin:0}.dark .study-summary-card,.dark .study-test-score{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.study-viewer-public-row{margin:.75rem 0 .5rem;display:flex;align-items:center;gap:.5rem}.study-public-toggle-btn{padding:.3rem .7rem;font-size:.8rem;border-radius:999px;background:transparent;color:var(--text-muted);border:1px solid transparent;cursor:pointer;transition:color .15s,border-color .15s,background .15s}.study-public-toggle-btn:hover{border-color:var(--accent-lime);color:var(--accent-lime);background:color-mix(in srgb,var(--accent-lime) 8%,transparent)}.study-public-label{font-size:.8rem;color:var(--text-muted)}.study-create-public-toggle{margin:.5rem 0 .75rem}.sidebar{width:220px;min-width:220px;flex-shrink:0;background:var(--bg);border-right:1px solid var(--border);padding:1.25rem 0;overflow-y:auto}.sidebar-nav{display:flex;flex-direction:column;gap:1.5rem}.sidebar-section{padding:0 1rem}.sidebar-heading{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin:0 0 .5rem}.sidebar-list{list-style:none;margin:0;padding:0}.sidebar-list li{margin-bottom:.15rem}.sidebar-link{display:flex;align-items:center;gap:.4rem;width:100%;padding:.4rem .5rem;font-size:.9rem;text-align:left;background:none;border:none;border-radius:6px;color:var(--text);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-link:hover{background:color-mix(in srgb,var(--accent-lime) 12%,transparent);color:var(--accent-lime)}.sidebar-link--show-all{color:var(--text-muted);font-size:.85rem}.sidebar-link--show-all:hover{color:var(--accent-lime)}.sidebar-empty{font-size:.85rem;color:var(--text-muted);margin:0;padding:.4rem .5rem}@media(max-width:768px){.sidebar{width:180px;min-width:180px}}@media(max-width:550px){.sidebar{display:none}}.account-page{max-width:420px;margin:0 auto;padding:2rem 1rem 3rem}.account-card{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:1.75rem}.dark .account-card{background:#1119;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.account-title{font-size:1.5rem;font-weight:700;color:var(--text);margin:0 0 1.5rem}.account-field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1.5rem}.account-label{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.account-value{font-size:1rem;color:var(--text)}.account-section{margin-bottom:1.75rem}.account-section:last-child{margin-bottom:0}.account-section-title{font-size:1rem;font-weight:700;color:var(--text);margin:0 0 .75rem}.account-avatar-row{display:flex;flex-direction:row;align-items:center;gap:1rem;flex-wrap:wrap}.account-avatar-img{width:88px;height:88px;border-radius:50%;object-fit:cover;border:1px solid var(--border);flex-shrink:0}.account-avatar-placeholder{width:88px;height:88px;border-radius:50%;border:1px dashed var(--border);background:var(--bg-muted);display:flex;align-items:center;justify-content:center;flex-shrink:0}.account-avatar-placeholder-text{font-size:.75rem;color:var(--text-muted);text-align:center;padding:.25rem}.account-avatar-input-hidden{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.account-avatar-actions{display:flex;flex-direction:column;gap:.35rem;align-items:flex-start}.account-avatar-hint{font-size:.8rem;color:var(--text-muted);margin:0}.account-form{display:flex;flex-direction:column;gap:.75rem}.account-input{width:100%;padding:.65rem .85rem;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}.account-input:focus{outline:none;border-color:var(--accent-lime)}.account-message{font-size:.9rem;margin:0}.account-message--success{color:var(--accent-lime)}.account-message--error{color:#dc2626}.account-btn{padding:.6rem 1.25rem;font-size:.95rem;font-weight:600;border-radius:8px;border:none;cursor:pointer;align-self:flex-start}.account-btn:disabled{opacity:.6;cursor:not-allowed}.account-btn-primary{background:var(--accent-gradient);color:#fff}.account-btn-primary:hover:not(:disabled){filter:brightness(1.08)}.account-btn-secondary{background:var(--bg-muted);color:var(--text);border:1px solid var(--border)}.account-btn-secondary:hover{filter:brightness(.96)}.account-section-plan .account-value-plan{font-weight:600}.account-section-danger{padding-top:1.5rem;border-top:1px solid var(--border)}.account-delete-hint{font-size:.9rem;color:var(--text-muted);margin:0 0 .75rem;line-height:1.5}.account-delete-warn{font-size:.85rem;color:var(--text-muted);margin:0 0 .5rem}.account-btn-danger{background:transparent;color:#dc2626;border:1px solid #dc2626}.account-btn-danger:hover{background:#dc26261a}.account-back{margin-top:1.5rem;background:none;border:none;color:var(--accent-lime);font-size:.95rem;cursor:pointer;padding:.25rem 0}.account-back:hover{text-decoration:underline}.pomodoro-page{max-width:420px;margin:0 auto;padding:2rem 1rem 3rem}.pomodoro-title{font-size:1.75rem;font-weight:700;color:var(--text);margin:0 0 .5rem}.pomodoro-hint{color:var(--text-muted);font-size:.95rem;margin:0 0 2rem;line-height:1.5}.pomodoro-settings{display:flex;flex-direction:column;gap:1.25rem}.pomodoro-setting{display:flex;flex-direction:column;gap:.5rem}.pomodoro-label{font-size:.9rem;font-weight:600;color:var(--text)}.pomodoro-input{width:100%;max-width:120px;padding:.65rem .85rem;font-size:1.1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}.pomodoro-input:focus{outline:none;border-color:var(--accent-lime)}.pomodoro-display{text-align:center;padding:2rem;border-radius:16px;margin-bottom:1.5rem}.pomodoro-clock-wrap{position:relative;display:inline-flex;align-items:center;justify-content:center}.pomodoro-clock{display:block;transform:rotate(-90deg);transform-origin:50% 50%}.pomodoro-clock-track{stroke:color-mix(in srgb,var(--border) 60%,transparent)}.pomodoro-clock-fill{stroke-linecap:round}.pomodoro-display--study .pomodoro-clock-fill{stroke:url(#pomodoroGradientStudy);transition:stroke-dasharray 1s linear}.pomodoro-display--break .pomodoro-clock-fill{stroke:url(#pomodoroGradientBreak);transition:stroke-dasharray 1s linear}.pomodoro-clock-inner{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.pomodoro-display--study,.pomodoro-display--break{background:transparent}.pomodoro-bottom-settings{display:flex;flex-direction:row;align-items:flex-start;justify-content:space-between;gap:1.5rem;margin-top:2rem}.pomodoro-bottom-settings .pomodoro-setting{flex:1;min-width:0}@media(max-width:380px){.pomodoro-bottom-settings{flex-direction:column}}.pomodoro-phase{display:block;font-size:1rem;font-weight:600;color:var(--text-muted);margin-bottom:.5rem}.pomodoro-display--study .pomodoro-phase{color:var(--accent-lime)}.pomodoro-display--break .pomodoro-phase{color:#3b82f6}.pomodoro-time{font-size:3.5rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text)}.pomodoro-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.pomodoro-btn{padding:.65rem 1.25rem;font-size:1rem;font-weight:600;border-radius:8px;border:none;cursor:pointer;transition:opacity .2s,transform .1s}.pomodoro-btn:hover{opacity:.9}.pomodoro-btn:active{transform:scale(.98)}.pomodoro-btn-primary{background:var(--accent-lime);color:var(--bg)}.pomodoro-btn-secondary{background:var(--card-bg);color:var(--text);border:1px solid var(--border)}.pomodoro-btn-ghost{background:transparent;color:var(--text-muted)}.pomodoro-btn-ghost:hover{color:var(--text)}.app{position:relative;min-height:100vh;display:flex;flex-direction:column;padding-bottom:6rem}.app-header{background:#ffffffb8;backdrop-filter:blur(12px) saturate(160%) brightness(1.1);-webkit-backdrop-filter:blur(12px) saturate(160%);border-bottom:1px solid rgba(197,217,210,.5);padding:.85rem 1.5rem;flex-shrink:0;z-index:10;position:sticky;top:0;box-shadow:none;transition:transform .25s ease-out;max-width:100%;overflow-x:clip;box-sizing:border-box}.app-header--hidden{transform:translateY(-100%)}.dark .app-header{background:#0f0f0fb8;border-bottom-color:#40404080}.app-header--full .header-inner{max-width:none}.app-body{display:flex;flex:1}.app-main{flex:1;min-width:0;padding:0 3rem 4rem 2rem;display:flex;justify-content:center}@media(max-width:900px){.app-main{padding-left:1rem;padding-right:1rem;padding-bottom:3rem}}.app-main-inner{width:100%;max-width:960px}.app-main-inner--study{max-width:1080px}.app--study-immersive .app-body{min-height:calc(100vh - 4.5rem)}.app--study-immersive .app-main{padding:1rem 2rem 5rem}.app--study-immersive .app-main-inner{max-width:1100px}.header-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:flex-start;gap:.75rem;position:relative;width:100%;min-width:0}.header-search-wrap{display:flex;align-items:center;gap:.4rem;flex:0 0 auto;width:30rem;max-width:600px;position:absolute;left:50%;transform:translate(-80%);background:var(--bg);border-radius:999px;padding:.1rem .2rem .1rem .4rem;border:1px solid var(--border)}@media(max-width:1250px){.header-search-wrap{position:static;left:auto;right:auto;transform:none;width:100%;max-width:none;flex:0 0 100%;margin-top:.4rem;order:10}.header-inner{flex-wrap:wrap}}.dark .header-search-wrap{background:#111111b3;backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-color:#52525bb3}.header-search-input{flex:1;padding:.35rem .6rem;font-size:.9rem;border-radius:999px 0 0 999px;border:none;background:transparent;color:var(--text)}.header-search-input:focus,.header-search-input:active{outline:none;background:transparent;box-shadow:none}.header-search-input:-webkit-autofill,.header-search-input:-webkit-autofill:hover,.header-search-input:-webkit-autofill:focus,.header-search-input:-webkit-autofill:active{-webkit-text-fill-color:var(--text);-webkit-box-shadow:0 0 0 1000px transparent inset;transition:background-color 9999s ease-in-out 0s}.header-search-input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none;width:12px;height:12px;border-radius:999px;background:linear-gradient(45deg,transparent 44%,#9ca3af 44%,#9ca3af 56%,transparent 56%),linear-gradient(-45deg,transparent 44%,#9ca3af 44%,#9ca3af 56%,transparent 56%);cursor:pointer;opacity:.95}.header-search-button{padding:.35rem .9rem;font-size:.85rem;border-radius:0 999px 999px 0;background:transparent;color:var(--text);white-space:nowrap}.header-voice-button{width:2rem;height:2rem;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:transparent;color:var(--text);border:1px solid transparent;font-size:1rem;padding:0}.header-voice-button:hover{filter:brightness(1.05);border-color:var(--accent-cyan)}.header-voice-button:disabled{opacity:.5;cursor:not-allowed}.header-voice-button--active{color:var(--accent-cyan);border-color:var(--accent-cyan);background:color-mix(in srgb,var(--accent-cyan) 14%,transparent)}@keyframes header-search-text-pulse{0%,to{transform:scale(1);color:var(--text)}50%{transform:scale(1.08);color:var(--accent-lime)}}.header-search-button--pulse{animation:header-search-text-pulse .6s ease-out}.app-header-back{flex-shrink:0;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:600;color:var(--text);background:none;border:none;border-radius:8px;cursor:pointer;padding:0;line-height:1}.app-header-back:hover{background:var(--bg-muted);color:var(--text)}.logo-wrap{display:flex;flex-direction:row;align-items:center;gap:.5rem}.logo-button{background:none;border:none;padding:0;text-align:left;cursor:pointer}.logo-button:hover{opacity:.9}.logo{font-size:1.25rem;font-weight:700;margin:0;color:var(--text);display:flex;align-items:center;gap:.45rem}.logo-image{width:28px;height:28px;object-fit:contain}.logo-subtitle{font-size:.75rem;font-weight:400;color:var(--text-muted);margin:0;margin-left:1.85rem}.header-actions{display:flex;align-items:center;gap:.75rem;margin-left:auto}.header-user{font-size:.85rem;color:var(--text-muted);max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-header{padding:.4rem .75rem;font-size:.9rem;font-weight:500;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:8px}.btn-header:hover{color:var(--text);background:var(--bg-muted)}.btn-header--primary{background:var(--accent-gradient);color:#fff;border:none}.btn-header--primary:hover{filter:brightness(1.1)}.btn-header--link{border:none}.btn-header--link:hover{background:transparent;text-decoration:underline}@media(max-width:900px){.app-header--logged-in{padding-left:.65rem;padding-right:.65rem}.app-header--logged-in .header-inner{flex-wrap:wrap;row-gap:.45rem;column-gap:.4rem}.app-header--logged-in .logo-wrap{order:1;flex:1 1 auto;min-width:0}.app-header--logged-in .header-actions{order:2;flex:1 1 100%;width:100%;max-width:100%;margin-left:0;flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:.3rem .35rem}.app-header--logged-in .btn-header{padding:.28rem .5rem;font-size:.78rem}.app-header--logged-in .theme-toggle{width:34px;height:34px;flex-shrink:0}}@media(max-width:900px){.app-header--logged-in .logo{font-size:1.05rem}}@media(max-width:420px){.app-header--logged-in .logo-button{position:relative}.app-header--logged-in .logo-button .logo{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-header--logged-in .btn-header{padding:.26rem .42rem;font-size:.74rem}}.plan-loading,.plan-empty{text-align:center;padding:3rem 1rem;color:var(--text-muted)}.plan-empty p{margin:0 0 1rem}.plan-empty .btn-header{padding:.6rem 1rem}.tagline{text-align:center;color:var(--text-muted);font-size:.95rem;max-width:480px;margin:1.25rem auto 0;line-height:1.5}.static-page{max-width:720px;margin:0 auto;padding:2rem 1rem 3rem}.static-page-title{font-size:1.75rem;font-weight:700;color:var(--text);margin:0 0 .5rem}.static-page-updated{font-size:.85rem;color:var(--text-muted);margin:0 0 1.5rem}.static-page-section{margin-bottom:1.25rem}.static-page-section h2{font-size:1.1rem;font-weight:600;margin:0 0 .5rem}.static-page-section p{margin:0 0 .5rem;font-size:.95rem;color:var(--text);line-height:1.6}.static-page-section ul{margin:.25rem 0 .75rem 1.25rem;padding:0;font-size:.95rem;color:var(--text);line-height:1.6}.static-page-section code{font-size:.8em;word-break:break-all;padding:.1em .35em;border-radius:4px;background:var(--bg-muted, rgba(0, 0, 0, .06));border:1px solid var(--border)}.library-single-wrap{width:100%;max-width:720px;margin:0 auto;padding:1rem 0 3rem}.library-single-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.plan-public-back-btn{padding:.4rem .75rem;font-size:.95rem;background:var(--bg-muted);border:1px solid var(--border);border-radius:8px;color:var(--text);cursor:pointer}.plan-public-back-btn:hover{border-color:var(--text-muted)}.library-add-to-folder-btn{padding:.5rem 1rem;font-size:.95rem;font-weight:600;border-radius:8px;border:none;background:var(--accent-gradient);color:#fff;cursor:pointer}.library-add-to-folder-btn:hover{filter:brightness(1.05)}.library-single-actions{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;justify-content:flex-end}.library-moderation-btn{padding:.45rem .9rem;font-size:.9rem;font-weight:600;border-radius:8px;border:1px solid var(--border);background:var(--bg-muted);color:var(--text);cursor:pointer}.library-moderation-btn--danger{border-color:#ef444473;color:#ef4444}.library-moderation-btn:disabled{opacity:.65;cursor:not-allowed}.library-single-viewer{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:1.5rem;box-shadow:0 2px 12px #00000014}.add-to-folder-overlay{position:fixed;inset:0;z-index:100;background:#00000073;display:flex;align-items:center;justify-content:center;padding:1rem}.add-to-folder-modal{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:1.5rem;max-width:400px;width:100%;box-shadow:0 8px 32px #0003}.add-to-folder-title{font-size:1.2rem;font-weight:700;color:var(--text);margin:0 0 .5rem}.add-to-folder-item-name{font-size:.95rem;color:var(--text-muted);margin:0 0 1rem}.add-to-folder-form{display:flex;flex-direction:column;gap:.75rem}.add-to-folder-label{font-size:.9rem;font-weight:600;color:var(--text)}.add-to-folder-select{width:100%;padding:.5rem .75rem;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}.add-to-folder-create-btn{padding:.4rem 0;font-size:.9rem;color:var(--accent-lime);background:none;border:none;cursor:pointer;text-align:left}.add-to-folder-create-btn:hover{text-decoration:underline}.add-to-folder-new{display:flex;flex-direction:column;gap:.5rem}.add-to-folder-input{width:100%;padding:.5rem .75rem;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}.add-to-folder-new-actions,.add-to-folder-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.25rem}.add-to-folder-btn{padding:.5rem 1rem;font-size:.95rem;font-weight:600;border-radius:8px;border:none;cursor:pointer}.add-to-folder-btn--primary{background:var(--accent-gradient);color:#fff}.add-to-folder-btn--secondary{background:var(--bg-muted);color:var(--text);border:1px solid var(--border)}.add-to-folder-message{font-size:.9rem;color:#dc2626;margin:0}.app-footer{position:absolute;bottom:0;left:0;right:0;flex-shrink:0;background:var(--bg);border-top:1px solid var(--border);padding:1.5rem 1rem}.app-footer-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem}.app-footer-brand{display:flex;align-items:center;justify-content:flex-start;gap:.4rem;margin-bottom:.35rem}.app-footer-logo-image{width:22px;height:22px;object-fit:contain}.app-footer-name{font-size:.95rem;font-weight:700;color:var(--text)}.app-footer-tagline{font-size:.8rem;color:var(--text-muted);margin:0 0 .5rem}.app-footer-copy{font-size:.75rem;color:var(--text-muted);margin:0}.app-footer-left{text-align:left}.app-footer-right{display:flex;flex-direction:column;align-items:flex-end;gap:.25rem;font-size:.8rem}.app-footer-support{color:var(--text-muted)}.app-footer-links{display:flex;align-items:center;gap:.4rem}.app-footer-link{color:var(--text-muted);text-decoration:none}.app-footer-link:hover{text-decoration:underline}.app-footer-sep{color:var(--text-muted)}.app-footer-social{display:flex;align-items:center;justify-content:flex-end;gap:.65rem;margin-top:.65rem}.app-footer-social-link{display:flex;align-items:center;justify-content:center;color:var(--text-muted);border-radius:8px;padding:.25rem;line-height:0;transition:color .15s ease,background .15s ease}.app-footer-social-link:hover{color:var(--text);background:var(--bg-muted)}.app-footer-social-link:focus-visible{outline:2px solid var(--accent-lime, #84cc16);outline-offset:2px}.app-footer-social-icon{width:22px;height:22px;display:block}.app-footer-social-icon--instagram{aspect-ratio:1;flex-shrink:0}.chatbot-fab{position:fixed;bottom:1.5rem;right:1.5rem;width:56px;height:56px;border-radius:50%;background:var(--accent-gradient);color:#fff;border:none;box-shadow:0 4px 20px #22c55e66;display:flex;align-items:center;justify-content:center;z-index:1000;transition:transform .2s,box-shadow .2s}.chatbot-fab:hover{transform:scale(1.05);box-shadow:0 6px 24px #22c55e80;filter:brightness(1.1)}.chatbot-fab-icon{display:flex;align-items:center;justify-content:center}.chatbot-fab-icon svg{display:block;width:24px;height:24px}.chatbot-panel{position:fixed;bottom:5rem;right:1.5rem;width:360px;max-width:calc(100vw - 3rem);height:480px;max-height:70vh;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;box-shadow:0 8px 32px var(--shadow);display:flex;flex-direction:column;z-index:999;overflow:hidden}.chatbot-header{padding:.75rem 1rem;border-bottom:1px solid var(--border);font-weight:600;font-size:.95rem;color:var(--text);flex-shrink:0}.chatbot-body{position:relative;flex:1;display:flex;flex-direction:column;min-height:0}.chatbot-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.75rem}.chatbot-msg-math.study-math-md{font-size:.9rem}.chatbot-msg-math.study-math-md .katex{font-size:.95em}.chatbot-login-overlay{position:absolute;inset:0;background:#fff9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:1rem;z-index:2}.dark .chatbot-login-overlay{background:#00000080}.chatbot-login-gate{text-align:center;max-width:260px}.chatbot-login-text{margin:0 0 1rem;font-size:.95rem;color:var(--text);line-height:1.45}.chatbot-login-actions{display:flex;flex-direction:column;gap:.5rem}.chatbot-login-btn{padding:.6rem 1rem;border-radius:10px;font-weight:500;font-size:.95rem;cursor:pointer;border:none}.chatbot-login-btn--primary{background:var(--accent-gradient);color:#fff}.chatbot-login-btn--secondary{background:var(--bg-muted);color:var(--text);border:1px solid var(--border)}.chatbot-msg{max-width:85%;padding:.6rem .9rem;border-radius:12px;font-size:.9rem;line-height:1.45}.chatbot-msg--user{align-self:flex-end;background:var(--accent-gradient);color:#fff}.chatbot-msg--assistant{align-self:flex-start;background:var(--bg-muted);color:var(--text)}.chatbot-msg--loading{opacity:.7}.chatbot-form{display:flex;gap:.5rem;padding:.75rem 1rem;border-top:1px solid var(--border)}.chatbot-form input{flex:1;padding:.6rem .85rem;font-size:.95rem}.chatbot-form button{padding:.6rem 1rem;background:var(--accent-gradient);color:#fff;font-weight:500;border-radius:10px;border:none}.chatbot-form button:disabled{opacity:.6;cursor:not-allowed}.auth-loading-screen{position:fixed;inset:0;z-index:3000;display:flex;align-items:center;justify-content:center;padding:2rem;background:var(--bg)}.auth-loading-screen__card{box-shadow:0 8px 32px var(--shadow)}.dark .auth-loading-screen__card{box-shadow:none}.notfound{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:60vh;padding:2rem;gap:.5rem}.notfound-code{font-size:8rem;font-weight:800;line-height:1;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;-webkit-user-select:none;user-select:none}.notfound-title{font-size:1.5rem;font-weight:600;color:var(--text);margin:.25rem 0 0}.notfound-desc{font-size:1rem;color:var(--text-muted, #888);max-width:360px;margin:.25rem 0 1.5rem}.notfound-btn{padding:.65rem 1.75rem;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;color:#fff;background:var(--accent-gradient);transition:opacity .2s,transform .2s}.notfound-btn:hover{opacity:.9;transform:translateY(-1px)}.first-plan-celebration-overlay{position:fixed;inset:0;z-index:1200;background:#0000008c;display:flex;align-items:center;justify-content:center;padding:1rem;animation:first-plan-fade-in .2s ease}@keyframes first-plan-fade-in{0%{opacity:0}to{opacity:1}}.first-plan-celebration-modal{width:100%;max-width:400px;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:1.75rem 1.5rem;box-shadow:0 12px 40px var(--shadow);animation:first-plan-pop .35s cubic-bezier(.34,1.2,.64,1)}@keyframes first-plan-pop{0%{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.first-plan-celebration-title{margin:0 0 .75rem;font-size:1.35rem;font-weight:700;color:var(--text);line-height:1.3}.first-plan-celebration-body{margin:0 0 1.5rem;font-size:.95rem;color:var(--text-muted);line-height:1.5}.first-plan-celebration-actions{display:flex;flex-direction:column;gap:.5rem}.first-plan-celebration-btn{width:100%;padding:.7rem 1rem;font-size:1rem;font-weight:600;border-radius:10px;border:none;cursor:pointer}.first-plan-celebration-btn--primary{background:var(--accent-gradient);color:#fff}.first-plan-celebration-btn--primary:hover{filter:brightness(1.06)}.first-plan-celebration-btn--secondary{background:var(--bg-muted);color:var(--text);border:1px solid var(--border)}.first-plan-celebration-btn--secondary:hover{background:var(--border)}.header-onboarding-overlay{position:fixed;inset:0;z-index:3500;background:#00000073;animation:header-onboarding-fade .2s ease}@keyframes header-onboarding-fade{0%{opacity:0}to{opacity:1}}.header-onboarding-popup{position:fixed;z-index:3502;width:min(340px,calc(100vw - 2rem));padding:1.15rem 1.25rem;background:var(--card-bg);border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 40px var(--shadow)}.header-onboarding-popup--center{left:50%;top:50%;transform:translate(-50%,-50%);animation:header-onboarding-pop .28s cubic-bezier(.34,1.15,.64,1)}@keyframes header-onboarding-pop{0%{opacity:0;transform:translate(-50%,-48%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.header-onboarding-popup:not(.header-onboarding-popup--center){animation:header-onboarding-pop-anchored .28s cubic-bezier(.34,1.15,.64,1) forwards}@keyframes header-onboarding-pop-anchored{0%{opacity:0;transform:translate(-50%) translateY(6px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.header-onboarding-title{margin:0 0 .5rem;font-size:1.1rem;font-weight:700;color:var(--text);line-height:1.25}.header-onboarding-body{margin:0 0 1rem;font-size:.9rem;color:var(--text-muted);line-height:1.5}.header-onboarding-meta{margin:0 0 .85rem;font-size:.78rem;color:var(--text-muted);opacity:.9}.header-onboarding-actions{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}.header-onboarding-btn{padding:.5rem 1rem;font-size:.9rem;font-weight:600;border-radius:10px;border:none;cursor:pointer}.header-onboarding-btn--secondary{background:var(--bg-muted);color:var(--text);border:1px solid var(--border)}.header-onboarding-btn--secondary:hover{background:var(--border)}.header-onboarding-btn--primary{background:var(--accent-gradient);color:#fff}.header-onboarding-btn--primary:hover{filter:brightness(1.06)}