body{font-family:system-ui;margin:0}.container{max-width:1000px;margin:0 auto;padding:1rem}.nav{display:flex;gap:.5rem;padding:.75rem;border-bottom:1px solid #eee}.btn{padding:.5rem .9rem;border:1px solid #ddd;border-radius:.5rem;background:#fff;text-decoration:none;color:#111}.btn-primary{background:#0a5;color:#fff;border-color:#0a5}.card{border:1px solid #eee;border-radius:.75rem;padding:1rem;margin:.5rem 0;box-shadow:0 2px 6px rgba(0,0,0,0.04)}.muted{color:#666}.mono{font-family:ui-monospace,Menlo,monospace}.highlighted{background:#fffd8a}.crossed{text-decoration:line-through;opacity:.5}.auth-wrap{min-height:70vh;display:grid;place-items:center}.auth-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:2rem;max-width:440px;width:92%}.auth-card h1{margin:0 0 1rem 0;font-size:2.25rem}.input{width:100%;padding:.6rem .75rem;border:1px solid #cbd5e1;border-radius:.6rem;box-shadow:none;outline:none}.input:focus{border-color:#0ea5a5;box-shadow:0 0 0 3px rgba(14,165,165,0.15)}.choices{display:flex;flex-direction:column;gap:.5rem}.choice{display:flex;align-items:flex-start;gap:.5rem}.choice input[type="radio"],.choice input[type="checkbox"]{margin-top:.2rem}.choice-label{line-height:1.35}.navbar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid #e5e7eb}.nav-inner{max-width:1200px;margin:0 auto;padding:.5rem 1rem;display:flex;align-items:center;justify-content:space-between;min-height:56px}.nav-left{display:flex;align-items:center;gap:1rem}.nav-group{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.nav-right{display:flex;align-items:center;gap:.75rem}.brand{font-weight:700;text-decoration:none;color:#0f172a}.nav-link{display:inline-block;padding:.35rem .7rem;border-radius:.5rem;border:1px solid #e5e7eb;text-decoration:none;color:#0f172a}.nav-link:hover{background:#f1f5f9}.nav-link.active{background:#e2e8f0;border-color:#cbd5e1}.btn{display:inline-block;padding:.4rem .8rem;border-radius:.5rem;background:#0ea5a5;color:#fff;text-decoration:none;font-weight:600;border:1px solid transparent}.btn:hover{filter:brightness(0.95)}.btn.btn-outline{background:transparent;color:#0ea5a5;border-color:#0ea5a5}.inline-form{display:inline}.muted{color:#64748b}.badge-time{font-family:ui-monospace, SFMono-Regular, Menlo, monospace;padding:.25rem .5rem;border:1px solid #e5e7eb;border-radius:.375rem}.flag-wrap{margin:.25rem 0 .5rem}.flag-btn.btn-ghost{background:transparent;border:1px solid #e5e7eb}.flag-wrap.is-flagged .flag-btn{border-color:#ef4444;color:#ef4444}label.choice{display:flex;align-items:center;gap:.5rem;padding:.35rem .5rem;border-radius:.375rem}label.choice.is-crossed{color:#94a3b8;text-decoration:line-through}label.choice.is-crossed input{opacity:.6}mark.hl{background:#fde68a;padding:0 .1em;border-radius:.15em}.choice.is-crossed{color:#6b7280;text-decoration:line-through;opacity:.65}.choice .strike-btn{margin-left:.5rem;border:0;background:transparent;cursor:pointer;font-size:.95rem;line-height:1;color:#64748b}.choice .strike-btn:hover{color:#0f172a}.btn-flag{color:#334155}.btn-flag .hint{margin-left:.25rem;color:#475569}.btn-flag:hover,.btn-flag:focus{color:#0f172a}.btn-flag:hover .hint,.btn-flag:focus .hint{color:#0f172a}.passage,.prompt{padding:.75rem 1rem}.passage mark,.prompt mark{background:#fde68a;padding:0 .1em;border-radius:.15rem}.modal.hidden{display:none}.modal{position:fixed;inset:0;z-index:50}.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,0.45)}.modal-card{position:relative;margin:10vh auto;background:#fff;max-width:480px;border-radius:12px;padding:1rem;box-shadow:0 10px 30px rgba(0,0,0,0.2)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.modal-header .close{background:transparent;border:0;font-size:1.25rem;cursor:pointer}dialog.modal{border:0;border-radius:12px;padding:0}.modal::backdrop{background:rgba(15,23,42,0.45)}.modal-content{position:relative;padding:1rem}.modal-close{position:absolute;top:.5rem;right:.75rem;border:0;background:transparent;font-size:1.25rem;cursor:pointer}.flag-list .pill{display:inline-block;padding:.3rem .55rem;border:1px solid #cbd5e1;border-radius:999px;margin:.2rem;text-decoration:none;color:#0f172a}.flag-list .pill:hover{background:#f1f5f9}.flag-wrap .flag-btn{color:#334155;border-color:#e5e7eb}.flag-wrap.is-flagged .flag-btn{color:#ef4444;border-color:#ef4444}.ul-clean{margin:.25rem 0 0;padding-left:1.1rem}.ul-clean li{margin:.15rem 0}.choices{margin:.4rem 0 0;padding-left:1.2rem}.choices li{margin:.1rem 0}.choices-group{margin:.5rem 0 .75rem}.muted{color:#6b7280;margin-bottom:.25rem}.review-item+.review-item{margin-top:1rem}.flash{padding:.6rem .8rem;border-radius:.5rem;margin:.5rem 0}.flash.notice{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.flash.alert{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.passage-body{overflow:auto;max-height:clamp(12rem, 60vh, 32rem);padding-right:.25rem;scrollbar-gutter:stable both-edges;scrollbar-width:thin;scrollbar-color:#9ca3af #f3f4f6;position:relative}.passage-body::-webkit-scrollbar{width:10px}.passage-body::-webkit-scrollbar-track{background:#f3f4f6;border-radius:8px}.passage-body::-webkit-scrollbar-thumb{background:#9ca3af;border-radius:8px}.passage-body::-webkit-scrollbar-thumb:hover{background:#6b7280}.passage-body.scrollable::after{content:"";position:sticky;bottom:0;display:block;height:24px;margin-top:-24px;background:linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0.95));pointer-events:none}.is-paused[data-timer-target="block"]{opacity:.55;filter:grayscale(40%)}.act-highlight{background:rgba(255,235,59,0.35);border-radius:4px;padding:0 .1em}.act-underline{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:2px}.act-highlight--active{animation:actPulse 1.6s ease-in-out;box-shadow:0 0 0 3px rgba(255,235,59,0.55)}@keyframes actPulse{0%{background:rgba(255,235,59,0.15)}30%{background:rgba(255,235,59,0.75)}100%{background:rgba(255,235,59,0.35)}}.act-box-question{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:2px solid #333;border-radius:4px;font-weight:600;background:#fff}.act-box-label{line-height:1}.passage-title{font-weight:700;text-align:center;margin-bottom:0.75rem}.tooltip{position:relative;cursor:help;font-weight:600;color:#6b7280}.tooltip-text{visibility:hidden;opacity:0;width:320px;background-color:#111;color:#fff;text-align:left;padding:8px 10px;border-radius:6px;position:absolute;z-index:10;top:125%;left:50%;transform:translateX(-50%);transition:opacity 0.2s ease;font-size:0.85rem;line-height:1.3}.tooltip:hover .tooltip-text{visibility:visible;opacity:1}.break-label,.break-clock{color:#0ea5a5;opacity:0.55;font-weight:400}.badge-time,.timer-clock{color:#0ea5a5;font-weight:600}.timer-paused{margin-left:6px;font-weight:500;opacity:0.85}.feedback-scroll-wrapper{display:flex;align-items:center}.feedback-scroll{display:flex;overflow-x:auto;scroll-behavior:smooth;gap:1rem;padding:0.5rem;max-width:100%}.feedback-card{min-width:320px;max-width:360px;padding:0.75rem;background:#f8fafc;border:1px solid #e5e7eb;border-radius:6px;flex-shrink:0}.feedback-meta{font-size:0.85rem;color:#334155;margin-bottom:0.25rem}.feedback-body{font-size:0.95rem}.feedback-footer{margin-top:0.5rem;font-size:0.75rem;color:#64748b}.scroll-btn{background:none;border:none;font-size:1.25rem;cursor:pointer;padding:0 0.5rem}