.toast-container{position:fixed;top:20px;right:20px;z-index:99999;display:flex;flex-direction:column;gap:10px;pointer-events:none;max-width:min(420px,calc(100vw - 40px))}.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;padding:12px 14px 12px 16px;border-radius:10px;font-size:13px;line-height:1.4;font-weight:500;color:#fff;background:#1b1b1f;box-shadow:0 8px 20px #0000002e,0 2px 6px #0000001f;cursor:pointer;-webkit-user-select:none;user-select:none;animation:toast-enter .18s ease-out forwards;border-left:4px solid transparent}@keyframes toast-enter{0%{opacity:0;transform:translateY(-8px) translate(8px)}to{opacity:1;transform:translateY(0) translate(0)}}.toast-success{background:#15803d;border-left-color:#4ade80}.toast-error{background:#b91c1c;border-left-color:#fca5a5}.toast-info{background:#1d4ed8;border-left-color:#93c5fd}.toast-message{flex:1;min-width:0;word-break:break-word}.toast-close{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;margin:-2px -4px -2px 0;background:transparent;border:none;border-radius:4px;color:#ffffffd9;font-size:18px;line-height:1;cursor:pointer}.toast-close:hover{background:#ffffff26;color:#fff}.topnav{position:fixed;top:0;left:0;right:0;height:48px;display:flex;align-items:center;gap:12px;padding:0 14px;background:var(--surface);border-bottom:1px solid var(--border);z-index:60;box-shadow:0 1px 4px #0000000a}.topnav-brand{display:flex;align-items:center;gap:8px;padding-right:12px;border-right:1px solid var(--border);height:100%}.topnav-title{font-size:18px;font-weight:700;color:var(--primary);letter-spacing:-.5px}.topnav-title-btn{background:transparent;border:none;padding:0;cursor:pointer;font-family:inherit;line-height:inherit}.topnav-title-btn:hover{opacity:.7}.topnav-back-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;gap:4px;height:28px;padding:0 12px;background:#fff;border:1px solid var(--border, #e5e5e7);border-radius:8px;color:var(--text, #1b1b1f);font-family:inherit;font-size:12.5px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s}.topnav-back-btn:hover{background:#f5f5fa;border-color:#c0c0c8}.topnav-back-btn:active{background:#ececf4}.topnav-selectors{display:flex;align-items:center;gap:8px;flex:1;min-width:0;overflow:hidden}.topnav-select{height:28px;padding:0 26px 0 10px;border:1px solid var(--border);border-radius:6px;background:#fff;font-size:13px;color:var(--text-primary);cursor:pointer;max-width:220px;text-overflow:ellipsis}.topnav-select:hover{border-color:var(--primary)}.topnav-select:focus{outline:2px solid rgba(0,122,255,.2);border-color:var(--primary)}.topnav-empty{font-size:13px;color:var(--text-secondary);font-style:italic}.topnav-context{display:flex;align-items:baseline;gap:8px;flex:1;min-width:0;font-size:14px;color:var(--text)}.topnav-context-book{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40vw}.topnav-context-level{font-weight:500;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:30vw}.topnav-context-sep{color:var(--text-secondary);flex-shrink:0}.topnav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.topnav-toolbar-host{flex:1;min-width:0;display:flex;align-items:center;height:100%}.topnav-toolbar-host>.wb-controls{flex:1;border-bottom:none;background:transparent;padding:0;height:100%;overflow-x:auto}.ls-root{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#f1eadd;background-image:radial-gradient(ellipse 720px 540px at 50% 38%,#ffffff8c,#fff0 70%),radial-gradient(ellipse 520px 380px at 12% 88%,#b4915614,#b4915600 70%);padding:24px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.ls-card{width:min(440px,100%);background:#fff;border:1px solid rgba(14,26,22,.08);padding:32px 32px 28px;border-radius:18px;box-shadow:0 1px 2px #0e1a160a,0 12px 36px #0e1a1614;display:flex;flex-direction:column;gap:14px}.ls-back-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;align-self:flex-start;display:inline-flex;align-items:center;gap:6px;margin-bottom:-4px;padding:6px 12px;border:1px solid rgba(14,26,22,.14);border-radius:8px;background:#fff;color:#0e1a16;font:inherit;font-size:12.5px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s}.ls-back-btn:hover{background:#f6f1e6;border-color:#0e1a1647}.ls-brand{display:inline-flex;align-items:center;gap:7px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:#0e1a16;margin-bottom:6px}.ls-brand-mark{display:inline-flex;width:20px;height:20px;align-items:center;justify-content:center;color:#0e1a16}.ls-brand-mark svg{width:20px;height:20px}.ls-eyebrow{display:inline-flex;align-self:flex-start;align-items:center;padding:5px 12px;background:#ede0c8;border:1px solid rgba(180,145,86,.32);border-radius:999px;font-size:10.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#8a6b3a;margin-bottom:4px}.ls-card h1{margin:0;font-size:26px;font-weight:800;letter-spacing:-.02em;color:#0e1a16;line-height:1.15}.ls-sub{margin:0 0 4px;font-size:14px;line-height:1.55;color:#5a6b65}.ls-card label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:#0e1a16;font-weight:600;letter-spacing:.01em}.ls-card label input{padding:11px 13px;font:inherit;font-size:14.5px;font-weight:400;color:#0e1a16;border:1px solid rgba(14,26,22,.16);border-radius:10px;background:#fff;transition:border-color .15s,box-shadow .15s}.ls-card label input::placeholder{color:#9aa49d}.ls-card label input:focus{outline:none;border-color:#0e1a16;box-shadow:0 0 0 3px #0e1a1614}.ls-card label input:disabled{background:#f8f6ef;color:#8a9b94;cursor:not-allowed}.ls-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.45}.ls-submit{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:46px;border:1px solid #0e1a16;background:#0e1a16;color:#fff;font:inherit;font-size:14.5px;font-weight:600;border-radius:10px;cursor:pointer;transition:background .15s,border-color .15s,transform .06s,box-shadow .18s;box-shadow:0 1px 2px #0e1a161f}.ls-submit:hover:not(:disabled){background:#2a3934;border-color:#2a3934;box-shadow:0 4px 14px #0e1a162e}.ls-submit:active:not(:disabled){transform:translateY(1px)}.ls-submit:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.ls-mode-switch{margin-top:8px;font-size:13.5px;color:#5a6b65;text-align:center}.ls-mode-switch-secondary{margin-top:6px}.ls-link-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:none;padding:0;font:inherit;font-weight:600;color:#0e1a16;cursor:pointer;text-decoration:underline;text-underline-offset:3px;transition:color .15s,opacity .15s}.ls-link-btn:hover:not(:disabled){color:#2a3934}.ls-link-btn:disabled{opacity:.5;cursor:not-allowed;text-decoration:none}.ls-optional{font-weight:400;font-size:11.5px;color:#9aa49d}.ls-cooldown-hint{font-size:12.5px;line-height:1.5;color:#8a6b3a;background:#fef7e6;border:1px solid rgba(180,145,86,.32);border-radius:10px;padding:10px 12px;margin-top:-2px}.ls-error code{font-family:ui-monospace,SF Mono,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;background:#b91c1c14;padding:1px 5px;border-radius:4px;color:#7f1d1d}@media (max-width: 480px){.ls-root{padding:16px}.ls-card{padding:24px 22px 22px;border-radius:16px;gap:12px}.ls-card h1{font-size:22px}.ls-sub{font-size:13.5px}}.sd-root{position:fixed;top:48px;left:0;right:0;bottom:0;background:var(--brand-cream);overflow-y:auto;padding:40px;z-index:50;box-sizing:border-box}.sd-head{max-width:1100px;margin:0 auto 24px;display:flex;align-items:flex-start;gap:14px;background:#fff;border-radius:12px;padding:20px 24px;border:1px solid var(--brand-line)}.sd-eyebrow{font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--brand-forest)}.sd-head h1{font-size:24px;margin:4px 0;color:var(--brand-ink);letter-spacing:-.02em;font-weight:800}.sd-head p{font-size:14px;color:var(--brand-muted);margin:0;line-height:1.5}.sd-logout{margin-left:auto;padding:8px 14px;border:1px solid var(--brand-line-strong);background:var(--brand-card);border-radius:8px;cursor:pointer;font-size:12px;font-weight:600;color:var(--brand-ink);align-self:flex-start}.sd-logout:hover{background:#0e1a160a}.sd-section{max-width:1100px;margin:0 auto 18px;background:#fff;border:1px solid var(--brand-line);border-radius:12px;padding:20px}.sd-section h2{display:flex;align-items:center;gap:10px;font-size:16px;margin:0 0 14px;color:var(--brand-ink)}.sd-count{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 8px;background:var(--brand-pill-bg);color:var(--brand-pill-ink);border-radius:999px;font-size:12px;font-weight:700}.sd-loading,.sd-empty{padding:18px 0;color:#777;font-size:13px}.sd-error{max-width:1100px;margin:0 auto 18px;padding:12px 18px;color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;font-size:13px}.sd-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.sd-card{display:flex;flex-direction:column;gap:4px;padding:16px 18px;background:#fff;border:1px solid var(--brand-line);border-radius:10px;cursor:pointer;transition:border-color .12s,transform .12s,box-shadow .12s;text-decoration:none;color:inherit}.sd-card-cover{position:relative;margin:-16px -18px 8px;aspect-ratio:16 / 9;background:#f0f0f5;overflow:hidden;border-top-left-radius:10px;border-top-right-radius:10px}.sd-card-cover-img{display:block;width:100%;height:100%;object-fit:cover}.sd-card-cover-badge{position:absolute;right:10px;bottom:10px;display:inline-flex;align-items:baseline;gap:4px;padding:6px 10px;background:#0f0f19c7;color:#fff;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.4px;text-transform:uppercase;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.sd-card-cover-badge-num{font-size:16px;font-weight:800;letter-spacing:0}.sd-card-cover-badge-label{font-size:10px}.sd-card:hover{border-color:var(--brand-line-strong);transform:translateY(-1px);box-shadow:var(--brand-shadow-hover)}.sd-card-eyebrow{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-forest)}.sd-card-title{font-size:15px;font-weight:700;color:var(--brand-ink);letter-spacing:-.01em}.sd-card-sub{font-size:12px;color:var(--brand-muted)}.sd-card-stats{display:flex;gap:18px;margin-top:10px;padding-top:10px;border-top:1px solid var(--brand-line)}.sd-card-stat{display:flex;flex-direction:column;gap:2px;min-width:0}.sd-card-stat-num{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-ink);line-height:1.1}.sd-card-stat-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.16em;color:var(--brand-muted)}.sd-card-meta{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-top:10px;padding-top:10px;border-top:1px solid var(--brand-line);font-size:11px;color:var(--brand-muted)}.sd-card-meta code{background:var(--brand-pill-bg);color:var(--brand-pill-ink);padding:1px 6px;border-radius:4px;font-family:ui-monospace,monospace;font-weight:600}.sd-card-cta{font-size:12px;font-weight:600;color:var(--brand-ink)}.sd-card-book{cursor:default}.sd-card-book:hover{border-color:var(--brand-line);transform:none;box-shadow:var(--brand-shadow-card)}.sd-card-lesson-picker{display:flex;align-items:center;gap:10px;margin-top:12px}.sd-card-lesson-picker-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--brand-muted);flex:0 0 auto}.sd-select-wrap{position:relative;flex:1 1 auto;min-width:0;display:inline-flex}.sd-select{width:100%;appearance:none;-webkit-appearance:none;-moz-appearance:none;padding:9px 32px 9px 12px;font-family:inherit;font-size:13px;font-weight:600;color:var(--brand-ink);background:var(--brand-card);border:1px solid var(--brand-line-strong);border-radius:10px;cursor:pointer;line-height:1.2;transition:border-color .15s,box-shadow .15s,background .15s}.sd-select:hover{border-color:#0e1a1652;background:var(--brand-cream-soft)}.sd-select:focus{outline:none;border-color:var(--brand-ink);background:var(--brand-card);box-shadow:0 0 0 3px #0e1a1614}.sd-select-chev{position:absolute;right:10px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--brand-muted);transition:color .15s}.sd-select:focus+.sd-select-chev,.sd-select:hover+.sd-select-chev{color:var(--brand-ink)}.sd-lesson-list{display:flex;flex-direction:column;gap:6px;margin-top:12px}.sd-lesson-list-row{position:relative;display:flex;align-items:stretch;border:1px solid var(--brand-line-strong);border-radius:10px;background:var(--brand-card);overflow:visible;transition:background .15s,border-color .15s,color .15s}.sd-lesson-list-row:hover{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff}.sd-lesson-list-row:focus-within{border-color:var(--brand-ink);box-shadow:0 0 0 3px #0e1a161f}.sd-lesson-list-item{flex:1 1 auto;min-width:0;display:flex;align-items:center;gap:8px;padding:9px 12px;color:inherit;text-decoration:none;font-family:inherit;cursor:pointer;border-radius:10px 0 0 10px}.sd-lesson-list-item:focus-visible{outline:none}.sd-lesson-list-title{flex:1 1 auto;min-width:0;font-size:13px;font-weight:600;line-height:1.3;color:inherit;white-space:normal;overflow-wrap:anywhere;word-break:break-word}.sd-lesson-list-arrow{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--brand-muted);transition:color .15s,transform .15s}.sd-lesson-list-row:hover .sd-lesson-list-arrow{color:#fff;transform:translate(2px)}.sd-lesson-menu-wrap{position:relative;display:inline-flex;align-items:stretch;flex:0 0 auto}.sd-lesson-menu-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:var(--brand-muted);padding:0 10px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border-radius:0 10px 10px 0;transition:background .15s,color .15s}.sd-lesson-list-row:hover .sd-lesson-menu-btn{color:#ffffffb3}.sd-lesson-menu-btn:hover,.sd-lesson-menu-btn.is-open{color:var(--brand-ink);background:var(--brand-cream-soft, rgba(14, 26, 22, .06))}.sd-lesson-list-row:hover .sd-lesson-menu-btn:hover,.sd-lesson-list-row:hover .sd-lesson-menu-btn.is-open{color:#fff;background:#ffffff1f}.sd-lesson-menu-btn:focus-visible{outline:none;color:var(--brand-ink);background:var(--brand-cream-soft, rgba(14, 26, 22, .06))}.sd-lesson-menu-popover{position:absolute;top:calc(100% + 4px);right:0;min-width:140px;padding:6px;background:var(--brand-card);border:1px solid var(--brand-line-strong);border-radius:10px;box-shadow:0 8px 24px #0e1a161f;z-index:20;color:var(--brand-ink)}.sd-lesson-menu-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 10px;border-radius:6px;font-size:12px;line-height:1.3;color:var(--brand-ink)}.sd-lesson-menu-label{font-weight:700;text-transform:uppercase;letter-spacing:.5px;font-size:10px;color:var(--brand-muted)}.sd-lesson-menu-value{font-weight:600;font-size:12px;color:var(--brand-ink);letter-spacing:.2px}.sd-card.available{cursor:default}.sd-card.available .sd-card-eyebrow{color:var(--brand-pill-ink)}.sd-card.available.enrolled .sd-card-eyebrow{color:var(--brand-forest)}.sd-card-btn{margin-top:10px;padding:10px 14px;border:1px solid var(--brand-line-strong);background:var(--brand-card);color:var(--brand-ink);font-size:12px;font-weight:700;border-radius:10px;cursor:pointer;text-align:center;text-decoration:none;transition:background .15s,color .15s,border-color .15s}.sd-card-btn:hover,.sd-card-btn.primary{background:var(--brand-ink);color:#fff;border-color:var(--brand-ink)}.sd-card-btn.primary:hover{background:var(--brand-ink-hover);border-color:var(--brand-ink-hover)}.sd-card-btn:disabled{opacity:.5;cursor:not-allowed}:root{--pl-cream: #f1eadd;--pl-cream-soft: #f6f0e5;--pl-ink: #0e1a16;--pl-ink-soft: #1f2a26;--pl-muted: #5a6b65;--pl-pill-bg: #ede0c8;--pl-pill-border: rgba(180, 145, 86, .32);--pl-pill-ink: #8a6b3a;--pl-section-bg: #fbfaf5;--pl-card-surface: #ffffff;--pl-card-border: rgba(14, 26, 22, .08);--pl-card-border-hover: rgba(14, 26, 22, .18);--pl-footer-bg: #0e1419;--pl-footer-ink: #ffffff;--pl-footer-muted: #8a9b94;--pl-on-dark: #f3f6f4;--pl-on-dark-muted: #8a9b94;--pl-on-dark-eyebrow: #5fb59d;--pl-accent: #0e1a16;--pl-accent-hover: #2a3934}.pl-public-root{min-height:100vh;background:var(--pl-cream);color:var(--pl-ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.pl-nav{background:var(--pl-cream)}.pl-nav-inner{max-width:1240px;margin:0 auto;height:48px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:24px}.pl-nav-brand{display:inline-flex;align-items:center;gap:7px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--pl-ink);text-decoration:none}.pl-nav-brand-mark{display:inline-flex;width:20px;height:20px;align-items:center;justify-content:center;color:var(--pl-ink)}.pl-nav-brand-mark svg{width:20px;height:20px}.pl-nav-actions{display:flex;align-items:center;gap:32px}.pl-nav-link{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:none;padding:0;font:inherit;font-size:14.5px;font-weight:500;color:var(--pl-ink);text-decoration:none;cursor:pointer;transition:opacity .15s}.pl-nav-link:hover{opacity:.7}.pl-nav-cta{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--pl-accent);border:1px solid var(--pl-accent);color:#fff;font:inherit;font-size:13.5px;font-weight:600;padding:8px 18px;border-radius:7px;cursor:pointer;transition:background .15s,border-color .15s,transform .06s}.pl-nav-cta:hover{background:var(--pl-accent-hover);border-color:var(--pl-accent-hover)}.pl-nav-cta:active{transform:translateY(1px)}.pl-hero{position:relative;background-color:var(--pl-cream);background-image:url(/hero-archway.webp);background-size:cover;background-position:right center;background-repeat:no-repeat;padding:80px 40px 112px;min-height:720px;overflow:hidden}.pl-hero-inner{position:relative;z-index:1;max-width:1240px;margin:0 auto;display:flex;align-items:center;min-height:560px}.pl-hero-content{max-width:560px;padding:24px 0}.pl-hero-pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;background:var(--pl-pill-bg);border:1px solid var(--pl-pill-border);border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--pl-pill-ink);margin-bottom:32px}.pl-hero-pill svg{flex-shrink:0}.pl-hero-title{margin:0 0 28px;font-size:clamp(40px,5.8vw,76px);font-weight:800;line-height:1.04;letter-spacing:-.035em;color:var(--pl-ink)}.pl-hero-sub{margin:0 0 40px;max-width:460px;font-size:17px;line-height:1.65;color:var(--pl-muted)}.pl-hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.pl-hero-cta-primary{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;gap:10px;padding:16px 26px;background:var(--pl-accent);border:1px solid var(--pl-accent);color:#fff;font:inherit;font-size:15px;font-weight:600;border-radius:10px;cursor:pointer;transition:background .15s,border-color .15s,transform .06s,box-shadow .18s;box-shadow:0 1px 2px #0e1a161f}.pl-hero-cta-primary svg{transition:transform .18s}.pl-hero-cta-primary:hover{background:var(--pl-accent-hover);border-color:var(--pl-accent-hover);box-shadow:0 4px 14px #0e1a162e}.pl-hero-cta-primary:hover svg{transform:translate(2px)}.pl-hero-cta-primary:active{transform:translateY(1px)}.pl-hero-cta-secondary{display:inline-flex;align-items:center;gap:10px;padding:16px 26px;background:transparent;border:1px solid rgba(14,26,22,.2);color:var(--pl-ink);font-size:15px;font-weight:600;border-radius:10px;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.pl-hero-cta-secondary:hover{background:#0e1a160a;border-color:#0e1a1673}.pl-library{background:var(--pl-section-bg);color:var(--pl-ink);padding:96px 40px 0}.pl-library-inner{max-width:1240px;margin:0 auto;scroll-margin-top:24px}.pl-library-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}.pl-library-head-text{max-width:620px}.pl-library-eyebrow{margin:0 0 16px;font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#3a6b5a}.pl-library-title{margin:0 0 14px;font-size:clamp(28px,3.8vw,44px);font-weight:800;letter-spacing:-.025em;color:var(--pl-ink);line-height:1.1}.pl-library-sub{margin:0;font-size:16px;line-height:1.55;color:var(--pl-muted);max-width:480px}.pl-library-view-all{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:none;padding:8px 4px;font:inherit;font-size:14.5px;font-weight:500;color:var(--pl-ink);display:inline-flex;align-items:center;gap:8px;cursor:pointer;white-space:nowrap;transition:color .15s}.pl-library-view-all svg{transition:transform .18s}.pl-library-view-all:hover{color:#3a6b5a}.pl-library-view-all:hover svg{transform:translate(2px)}.pl-public-status{text-align:center;padding:48px;font-size:14px;color:var(--pl-muted)}.pl-public-status-error{color:#b91c1c}.pl-public-empty{text-align:center;padding:56px 24px;font-size:14px;color:var(--pl-muted);background:#0e1a1608;border:1px dashed rgba(14,26,22,.14);border-radius:16px}.pl-public-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding-bottom:96px}.pl-public-card{display:flex;flex-direction:row;gap:0;background:var(--pl-card-surface);border:1px solid var(--pl-card-border);border-radius:18px;overflow:hidden;transition:border-color .2s,transform .2s,box-shadow .2s}.pl-public-card:hover{border-color:var(--pl-card-border-hover);transform:translateY(-2px);box-shadow:0 10px 28px #0e1a1614}.pl-public-card-cover{flex:0 0 38%;position:relative;background:#efe7d4;overflow:hidden;min-height:280px}.pl-public-card-cover-img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.pl-public-card:hover .pl-public-card-cover-img{transform:scale(1.03)}.pl-public-card-cover-fallback{display:flex;width:100%;height:100%;align-items:center;justify-content:center;background:linear-gradient(135deg,#f6eed9,#e6d6b3);color:var(--pl-pill-ink)}.pl-public-card-body{flex:1 1 auto;display:flex;flex-direction:column;gap:12px;padding:22px 22px 18px;min-width:0}.pl-public-card-pill{align-self:flex-start;padding:5px 12px;background:var(--pl-pill-bg);border:1px solid var(--pl-pill-border);border-radius:999px;font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--pl-pill-ink);margin-bottom:2px}.pl-public-card-title{margin:0;font-size:21px;font-weight:700;letter-spacing:-.015em;line-height:1.22;color:var(--pl-ink)}.pl-public-card-desc{margin:0;font-size:13.5px;line-height:1.55;color:var(--pl-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.pl-public-card-stats{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:auto;padding-top:4px}.pl-public-card-stat{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;color:var(--pl-muted);font-variant-numeric:tabular-nums}.pl-public-card-stat svg{flex-shrink:0;opacity:.7;color:#9aa49d}.pl-public-card-actions{display:flex;align-items:stretch;gap:8px;margin-top:6px}.pl-public-card-btn-primary{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:1 1 auto;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;background:var(--pl-accent);border:1px solid var(--pl-accent);color:#fff;font:inherit;font-size:14px;font-weight:600;border-radius:10px;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,transform .06s}.pl-public-card-btn-primary:hover{background:var(--pl-accent-hover);border-color:var(--pl-accent-hover)}.pl-public-card-btn-primary:active{transform:translateY(1px)}.pl-public-card-bookmark{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:0 0 auto;width:44px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid rgba(14,26,22,.12);color:var(--pl-muted);border-radius:10px;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.pl-public-card-bookmark:hover{background:#f8f6ef;color:var(--pl-ink);border-color:#0e1a1647}.pl-public-card-placeholder{display:flex;align-items:center;justify-content:center;text-align:center;background:transparent;border:1px dashed rgba(14,26,22,.14);box-shadow:none;min-height:280px}.pl-public-card-placeholder:hover{transform:none;box-shadow:none;border-color:#0e1a1638}.pl-public-card-placeholder-inner{display:flex;flex-direction:column;align-items:center;gap:14px;padding:32px;color:var(--pl-muted)}.pl-public-card-placeholder-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;background:var(--pl-pill-bg);color:var(--pl-pill-ink)}.pl-public-card-placeholder-text{margin:0;font-size:14px;font-weight:500}.pl-footer{background:var(--pl-footer-bg);border-top:none;margin-top:0;padding:0 40px}.pl-footer-inner{max-width:1240px;margin:0 auto;padding:48px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.pl-footer-left{display:flex;flex-direction:column;gap:6px}.pl-footer-brand{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--pl-footer-ink)}.pl-footer-meta{font-size:13.5px;color:var(--pl-footer-muted)}.pl-footer-right{display:flex;align-items:center;gap:32px}.pl-footer-link{font-size:14.5px;font-weight:500;color:var(--pl-footer-ink);text-decoration:none;transition:color .15s,opacity .15s}.pl-footer-link:hover{opacity:.7}@media (max-width: 960px){.pl-hero{min-height:620px;padding:64px 32px 96px}.pl-hero-inner{min-height:0}.pl-hero-content{max-width:100%}.pl-library-head{flex-direction:column;align-items:flex-start;gap:16px}.pl-library-view-all{align-self:flex-start}.pl-public-grid{grid-template-columns:1fr}}@media (max-width: 720px){.pl-hero{min-height:540px;background-size:cover;background-position:bottom right;padding:56px 20px}}@media (max-width: 640px){.pl-nav-inner{padding:18px 20px;gap:12px}.pl-nav-actions{gap:14px}.pl-nav-link{font-size:13.5px}.pl-nav-cta{padding:9px 16px;font-size:13.5px}.pl-hero{padding:48px 20px;min-height:500px}.pl-hero-pill{font-size:10.5px}.pl-hero-sub{font-size:15.5px}.pl-library{padding:64px 20px 0}.pl-public-grid{gap:18px;padding-bottom:64px}.pl-footer{padding:0 20px}.pl-footer-inner{padding:24px 0}}.srt-editor-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;z-index:200;display:flex;align-items:center;justify-content:center;animation:srtFadeIn .15s ease-out}@keyframes srtFadeIn{0%{opacity:0}to{opacity:1}}.srt-editor{background:var(--surface);border-radius:var(--radius);width:min(720px,92vw);max-height:86vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d;animation:srtPop .18s ease-out}@keyframes srtPop{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.srt-editor-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}.srt-editor-header h3{font-size:15px;font-weight:600}.srt-editor-toolbar{display:flex;align-items:center;gap:6px;padding:10px 18px;border-bottom:1px solid var(--border);background:#f8f8fa;flex-wrap:wrap}.srt-editor-file-label{display:inline-flex;align-items:center;cursor:pointer}.srt-editor-counter{margin-left:auto;font-size:12px;font-weight:500}.srt-editor-ok{color:#2e7d32}.srt-editor-muted{color:var(--text-secondary)}.srt-editor-textarea{flex:1;min-height:320px;padding:14px 18px;border:none;resize:none;font-family:SF Mono,Menlo,Consolas,monospace;font-size:13px;line-height:1.5;color:var(--text);outline:none;background:var(--surface);white-space:pre}.srt-editor-textarea:focus{background:#fcfcfd}.srt-editor-error{padding:8px 18px;font-size:12px;color:#c62828;background:#ffebee;border-top:1px solid #ffcdd2}.srt-editor-actions{display:flex;gap:8px;padding:12px 18px;border-top:1px solid var(--border);background:#f8f8fa}.explainer-bar{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);z-index:40;box-shadow:0 -2px 12px #00000014;transition:height .2s ease}.app.has-right-panel .explainer-bar{right:380px}.eb-player{display:flex;align-items:center;gap:10px;padding:8px 16px;height:48px}.explainer-bar.empty .eb-player{justify-content:flex-start}.eb-empty-state{display:inline-flex;align-items:center;gap:14px}.eb-empty-label{font-size:13px;color:var(--text-secondary);font-style:italic}.eb-add-audio-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:600;color:#fff;background:var(--primary);border:none;border-radius:18px;cursor:pointer;transition:background .1s ease-out}.eb-add-audio-btn:hover{background:var(--primary-hover)}.eb-play-btn{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}.eb-play-btn:hover{background:var(--primary-hover)}.eb-transport{display:inline-flex;align-items:center;gap:4px}.eb-transport-btn{position:relative;width:32px;height:32px;border-radius:50%;background:transparent;color:var(--text);border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0}.eb-transport-btn:hover{background:#ececf4}.eb-transport-num{position:absolute;font-size:8px;font-weight:700;color:var(--text);top:50%;left:50%;transform:translate(-50%,-45%);pointer-events:none}.eb-speed-select{height:26px;font-size:12px;font-weight:600;padding:0 4px 0 6px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text);cursor:pointer;margin-left:2px}.eb-info{display:flex;align-items:center;gap:8px;min-width:0}.eb-label{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.eb-select{font-size:11px;padding:2px 4px;border:1px solid var(--border);border-radius:4px}.eb-srt-btn{display:inline-flex;align-items:center;gap:3px;padding:3px 8px;font-size:11px;font-weight:600;background:#f0f0fa;border:1px solid #d0d0e0;border-radius:4px;cursor:pointer;color:#4040a0;white-space:nowrap}.eb-srt-btn:hover{background:#e0e0f5;border-color:var(--primary)}.eb-delete-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:24px;padding:0;font-size:13px;background:transparent;border:1px solid #e0d0d0;border-radius:4px;cursor:pointer;color:#999;transition:all .15s}.eb-delete-btn:hover{background:#ffebee;border-color:var(--danger);color:var(--danger)}.eb-progress-wrap{flex:1;height:6px;background:#e0e0e5;border-radius:3px;cursor:pointer;position:relative;min-width:100px}.eb-progress-bar{height:100%;background:var(--primary);border-radius:3px;will-change:width}.eb-time{font-size:12px;font-family:SF Mono,Menlo,monospace;color:var(--text-secondary);white-space:nowrap;flex-shrink:0}.eb-expand-btn{width:28px;height:28px;border-radius:4px;background:#e8e8ed;border:none;cursor:pointer;font-size:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.eb-expand-btn:hover{background:#d2d2d7}.eb-panel-btn{width:28px;height:28px;border-radius:4px;background:#e8e8ed;border:none;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.eb-panel-btn:hover{background:#d2d2d7}.eb-timeline-editor{border-top:1px solid var(--border);padding:8px 16px 12px}.eb-zoom-row{display:flex;align-items:center;gap:6px;margin-bottom:6px;padding:0 2px;font-size:11px}.eb-zoom-label{font-weight:600;color:var(--text-secondary)}.eb-zoom-btn{width:22px;height:22px;padding:0;border:1px solid var(--border);background:var(--surface);border-radius:4px;font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text)}.eb-zoom-btn:hover{background:#e8e8ed}.eb-zoom-slider{flex:1;max-width:280px;accent-color:var(--primary)}.eb-zoom-value{font-family:SF Mono,Menlo,monospace;font-weight:600;color:var(--text);min-width:36px;text-align:right}.eb-zoom-reset{padding:2px 8px;border:1px solid var(--border);background:var(--surface);border-radius:4px;font-size:11px;font-weight:500;cursor:pointer;color:var(--text-secondary)}.eb-zoom-reset:hover{background:#e8e8ed;color:var(--text)}.eb-timeline-scroll{overflow-x:auto;overflow-y:hidden;margin-bottom:8px;border-radius:6px;border:1px solid var(--border);scrollbar-width:thin}.eb-timeline-scroll::-webkit-scrollbar{height:8px}.eb-timeline-scroll::-webkit-scrollbar-thumb{background:#c8c8d0;border-radius:4px}.eb-timeline-scroll::-webkit-scrollbar-thumb:hover{background:#a0a0a8}.eb-timeline{position:relative;min-height:100px;background:#f0f0fa;cursor:pointer;overflow:visible;min-width:100%}.eb-time-marker{position:absolute;top:0;height:100%;pointer-events:none}.eb-time-marker span{position:absolute;top:1px;left:3px;font-size:10px;color:#2a2a40;font-family:SF Mono,Menlo,monospace;font-weight:600;background:#ffffffd9;padding:1px 4px;border-radius:2px;white-space:nowrap;pointer-events:none}.eb-time-tick{position:absolute;top:0;pointer-events:none}.eb-time-tick.major{top:0;height:12px;border-left:1px solid rgba(50,50,80,.45)}.eb-time-tick.major:after{content:"";position:absolute;top:0;bottom:0;left:-.5px;border-left:1px dashed rgba(50,50,80,.08);height:100px;pointer-events:none}.eb-time-tick.minor{top:0;height:6px;border-left:1px solid rgba(50,50,80,.25)}.eb-waveform-host{position:absolute;top:18px;left:0;right:0;height:64px;width:100%;pointer-events:none;opacity:.95}.eb-waveform-host>div{height:100%!important}.eb-cue-bar{position:absolute;height:14px;border-radius:3px;cursor:grab;min-width:6px;z-index:2;display:flex;align-items:center;justify-content:center;transition:opacity .1s;-webkit-user-select:none;user-select:none}.eb-cue-bar:hover{opacity:.9;box-shadow:0 0 0 2px #0003}.eb-cue-bar.selected{box-shadow:0 0 0 2px var(--primary),0 0 0 4px #0071e333;z-index:3;filter:brightness(1.35) saturate(.75)}.eb-cue-bar.dragging{opacity:.7;cursor:grabbing;z-index:4}.eb-cue-label{font-size:9px;font-weight:700;color:#000000bf;pointer-events:none;display:flex;align-items:center;gap:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 4px;line-height:1}.eb-cue-anim-num{display:inline-flex;align-items:center;justify-content:center;min-width:14px;height:14px;padding:0 3px;font-size:9px;font-weight:800;color:#fff;background:#0000008c;border-radius:7px;flex-shrink:0;line-height:1}.eb-cue-bar.selected .eb-cue-anim-num{background:#007aff}.eb-cue-handle{position:absolute;top:-2px;bottom:-2px;width:6px;cursor:ew-resize;z-index:5}.eb-cue-handle.left{left:-2px;border-radius:3px 0 0 3px}.eb-cue-handle.right{right:-2px;border-radius:0 3px 3px 0}.eb-cue-handle:hover{background:#00000026}.eb-cue-time{position:absolute;top:-14px;font-size:9px;font-weight:600;color:var(--text-secondary);font-family:SF Mono,Menlo,monospace;font-variant-numeric:tabular-nums;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .12s ease-out}.eb-cue-time-start{left:0}.eb-cue-time-end{right:0}.eb-cue-menu{width:220px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:10px;box-shadow:0 4px 12px #00000014,0 12px 32px #00000029;padding:6px;display:flex;flex-direction:column;gap:1px;font-family:inherit;position:fixed}.eb-cue-menu.above{animation:eb-cue-menu-in-above .12s ease-out}.eb-cue-menu.below{animation:eb-cue-menu-in-below .12s ease-out}.eb-cue-menu:before{content:"";position:absolute;left:50%;transform:translate(-50%) rotate(45deg);width:10px;height:10px;background:#fff}.eb-cue-menu.below:before{top:-6px;border-left:1px solid rgba(0,0,0,.08);border-top:1px solid rgba(0,0,0,.08)}.eb-cue-menu.above:before{bottom:-6px;border-right:1px solid rgba(0,0,0,.08);border-bottom:1px solid rgba(0,0,0,.08)}@keyframes eb-cue-menu-in-below{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes eb-cue-menu-in-above{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.eb-cue-menu-header{padding:8px 12px 10px;font-family:SF Mono,Menlo,monospace;font-size:11px;font-weight:600;color:#8b8b95;letter-spacing:.3px;border-bottom:1px solid #f0f0f4;margin-bottom:4px}.eb-cue-menu-item{display:flex;align-items:center;gap:10px;padding:8px 10px;font-size:13px;font-weight:500;background:transparent;border:none;border-radius:6px;cursor:pointer;text-align:left;color:#1b1b1f;font-family:inherit;transition:background .08s ease-out}.eb-cue-menu-item:hover{background:#f1f1f5}.eb-cue-menu-item:active{background:#e5e5ec}.eb-cue-menu-item.danger{color:#d32f2f}.eb-cue-menu-item.danger:hover{background:#fdecea}.eb-cue-menu-icon{width:16px;height:16px;flex-shrink:0;opacity:.85}.eb-cue-menu-item:hover .eb-cue-menu-icon,.eb-cue-bar:hover .eb-cue-time,.eb-cue-bar.dragging .eb-cue-time,.eb-cue-bar.selected .eb-cue-time{opacity:1}.eb-cue-bar.selected .eb-cue-time,.eb-cue-bar.dragging .eb-cue-time{color:var(--text)}.eb-playhead{position:absolute;top:0;bottom:0;width:2px;background:#ff3b30;z-index:10;will-change:left;cursor:ew-resize}.eb-playhead:before{content:"";position:absolute;top:0;bottom:0;left:-6px;right:-6px}.eb-playhead:after{content:"";position:absolute;top:-4px;left:-5px;width:12px;height:12px;background:#ff3b30;border-radius:50%;box-shadow:0 1px 3px #0000004d}.eb-playhead:hover{background:#ff5347}.eb-cue-toolbar{display:flex;align-items:center;gap:6px;margin-bottom:8px}.eb-add-btn{padding:4px 10px;border:none;border-radius:4px;font-size:11px;font-weight:600;cursor:pointer;color:#fff}.eb-add-btn.reveal{background:#00c853}.eb-add-btn.highlight{background:#fd0;color:#333}.eb-add-btn.callout{background:#007aff}.eb-add-btn.question{background:#9c27b0}.eb-add-btn:hover{opacity:.85}.eb-add-btn.pending{outline:2px solid rgba(0,0,0,.3);outline-offset:2px;animation:pendingPulse 1s ease-in-out infinite}@keyframes pendingPulse{0%,to{transform:scale(1);box-shadow:0 0 0 0 currentColor}50%{transform:scale(1.04);box-shadow:0 0 0 4px #0000001f}}.eb-timeline.placing{cursor:crosshair}.eb-placement-ghost{position:absolute;top:18px;bottom:4px;border-radius:3px;opacity:.45;border:2px dashed rgba(0,0,0,.45);pointer-events:none;z-index:9}.eb-placement-ghost-point{position:absolute;top:18px;bottom:4px;width:3px;margin-left:-1.5px;border-radius:2px;opacity:.7;box-shadow:0 0 0 2px #0003;pointer-events:none;z-index:9}.eb-cue-count{font-size:11px;color:var(--text-secondary);margin-left:auto}.eb-cue-edit{background:#f8f8fa;border:1px solid var(--border);border-radius:6px;padding:8px 10px}.eb-cue-edit.eb-cue-edit-flash{animation:cueEditFlash .6s ease-out}@keyframes cueEditFlash{0%{background:#e8f0fe;border-color:var(--primary);box-shadow:0 0 0 3px #0071e340}to{background:#f8f8fa;border-color:var(--border);box-shadow:none}}.eb-cue-edit-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.eb-cue-edit-type{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.eb-cue-edit-actions{display:flex;gap:4px}.eb-cue-edit-fields{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:4px}.eb-cue-edit-fields label{display:flex;align-items:center;gap:3px;font-size:11px;font-weight:500;color:var(--text-secondary)}.eb-cue-edit-fields input[type=text],.eb-cue-edit-fields input[type=number]{width:55px;font-size:11px;padding:3px 5px}.eb-cue-edit-fields input[type=color]{width:24px;height:20px;padding:0;border:1px solid var(--border);border-radius:3px}.eb-cue-edit-fields input[type=range]{width:80px}.eb-presets-row{display:flex;align-items:center;flex-wrap:wrap;gap:5px;margin-bottom:6px;padding-bottom:6px;border-bottom:1px dashed var(--border)}.eb-presets-label{font-size:11px;font-weight:600;color:var(--text-secondary);margin-right:2px}.eb-preset-chip{height:22px;padding:0 8px;font-size:10px;font-weight:600;color:#333;cursor:pointer;text-shadow:0 0 2px rgba(255,255,255,.8);transition:transform .1s}.eb-preset-chip:hover{transform:scale(1.08)}.eb-question-fields{flex-direction:column;align-items:stretch}.eb-answer-row{display:flex;align-items:center;gap:4px}.eb-answer-row input[type=radio]{accent-color:#9C27B0}.eb-answer-row input[type=text]{flex:1;width:auto}.transcript-panel{position:fixed;top:48px;right:0;width:var(--tp-width, 360px);height:calc(100dvh - 48px);background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;z-index:45;box-shadow:-2px 0 12px #0000000f;transform:translate(0);transition:transform .25s ease}.transcript-panel.transcript-panel--hidden{transform:translate(100%);pointer-events:none}.app.has-explainer-bar:not(:has(.explainer-bar)) .transcript-panel{height:calc(100dvh - 48px)}.app.has-explainer-bar .transcript-panel{height:calc(100dvh - 56px)}.app.has-transcript-panel .explainer-bar{right:var(--tp-width, 360px)}.app.has-transcript-panel:not(:has(.transcript-panel)) .explainer-bar{right:0}.app.has-transcript-panel.has-right-panel .transcript-panel{right:380px}.tp-tabs-header{display:flex;align-items:center;justify-content:space-between;padding:0 6px 0 0;border-bottom:1px solid var(--border);background:#f8f8fa;flex-shrink:0}.tp-hide-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary, #6b6b75);cursor:pointer;flex-shrink:0;transition:background .12s,color .12s}.tp-hide-btn:hover{background:#0000000d;color:var(--text, #1b1b1f)}.tp-tabs{display:flex;gap:0;flex:1}.tp-tab{flex:1;text-align:center;padding:10px 16px;font-size:13px;font-weight:600;background:transparent;border:none;border-bottom:2px solid transparent;cursor:pointer;color:var(--text-secondary);transition:all .15s}@media (max-width: 720px){.tp-tab{padding:8px;font-size:12px}.tp-hide-btn{width:26px;height:26px}}.tp-tab:hover{color:var(--text);background:#00000008}.tp-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.tp-tab.has-cue{color:#9c27b0}.tp-tab.has-cue.active{border-bottom-color:#9c27b0}.tp-tab-body{padding:8px 16px;overflow-y:auto;flex:1;min-height:0}.tp-panes{flex:1;min-height:0;display:flex;flex-direction:column}.tp-pane{flex:1 1 0;min-height:0;display:flex;flex-direction:column;overflow:hidden;border-top:1px solid var(--border)}.tp-pane:first-child{border-top:none}.tp-pane-cue,.tp-pane-activities{padding:8px 16px;overflow-y:auto}.tp-pane-animation{padding:0;overflow:hidden}.tp-pane-animation>*{width:100%;height:100%;min-height:0}.tp-pane-chat{padding:0;overflow:hidden}.tp-pane-chat .chat-widget{width:100%;height:100%}.tp-tab-cue{font-style:italic}.tp-empty{padding:24px 16px;text-align:center;font-size:13px;color:var(--text-secondary);line-height:1.5}.tp-help{padding:8px 16px;font-size:11px;color:var(--text-secondary);background:#f5f5fa;border-bottom:1px solid var(--border);text-align:center}.tp-srt-toolbar{display:flex;gap:6px;padding:8px 12px;background:#f8f8fa;border-bottom:1px solid var(--border)}.tp-srt-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:12px;font-weight:500;background:#fff;border:1px solid var(--border);border-radius:6px;cursor:pointer;color:var(--text)}.tp-srt-btn:hover{background:#ececf4}.tp-selection-toolbar{padding:8px 12px;background:#e8f0fe;border-bottom:1px solid #c0d8ff;display:flex;flex-direction:column;gap:6px}.tp-selection-toolbar.from-playhead{background:#fff4e0;border-bottom-color:#ffcc80}.tp-source-tag{font-size:11px;font-weight:700;color:#d97706;text-transform:uppercase;letter-spacing:.5px}.tp-selection-info{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text)}.tp-range{font-family:SF Mono,Menlo,monospace;font-size:11px;color:var(--text-secondary)}.tp-selection-buttons{display:flex;gap:4px}.tp-add-btn{flex:1;padding:6px 8px;font-size:11px;font-weight:600;border:none;border-radius:4px;cursor:pointer;color:#fff;transition:opacity .15s}.tp-add-btn.highlight{background:#ffc107;color:#333}.tp-add-btn.callout{background:#007aff}.tp-add-btn.question{background:#9c27b0}.tp-add-btn.reveal{background:#00c853}.tp-add-btn:hover{opacity:.85}.tp-clear-btn{padding:4px 10px;font-size:11px;background:transparent;border:1px solid #c0d8ff;border-radius:4px;color:var(--text-secondary);cursor:pointer;align-self:flex-end}.tp-clear-btn:hover{background:#fff9}.tp-list{flex:1;overflow-y:auto;padding:4px 0}.tp-segment{display:flex;gap:8px;padding:8px 16px 8px 6px;cursor:pointer;border-left:3px solid transparent;-webkit-user-select:none;user-select:none;transition:background .35s ease,border-left-color .35s ease;position:relative}.tp-seg-body{flex:1;display:flex;flex-direction:column;gap:3px;min-width:0}.tp-seg-header{display:flex;align-items:center;gap:6px}.tp-segment:hover{background:#f5f5fa}.tp-segment.selected{background:#e8f0fe;border-left-color:var(--primary)}.tp-segment.current{background:#fff4e0}.tp-segment.current.selected{background:linear-gradient(90deg,#fff4e0,#e8f0fe 50%);border-left-color:var(--primary)}.tp-seg-time{flex-shrink:0;font-family:SF Mono,Menlo,monospace;font-size:11px;font-weight:600;color:var(--text-secondary);margin-right:2px;transition:color .35s ease}.tp-segment.current .tp-seg-time{color:#d97706}.tp-seg-text{font-size:13px;line-height:1.4;color:var(--text);flex:1;word-break:break-word}.abm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:400;display:flex;align-items:flex-start;justify-content:center;padding:80px 16px 24px;overflow-y:auto;animation:abm-overlay-in .12s ease-out}.abm-modal{width:100%;max-width:460px;background:var(--surface, #ffffff);border-radius:12px;box-shadow:0 20px 60px #00000040;overflow:hidden;animation:abm-modal-in .16s ease-out}@keyframes abm-overlay-in{0%{opacity:0}to{opacity:1}}@keyframes abm-modal-in{0%{opacity:0;transform:translateY(-6px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.abm-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border, #e5e5ea)}.abm-header h2{margin:0;font-size:17px;font-weight:700;color:var(--text, #1b1b1f)}.abm-close{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;font-size:22px;line-height:1;color:#888;background:transparent;border:none;border-radius:6px;cursor:pointer}.abm-close:hover{background:#f0f0f5;color:#333}.abm-body{padding:20px;display:flex;flex-direction:column;gap:18px}.abm-field{display:flex;flex-direction:column;gap:4px}.abm-label{font-size:12px;font-weight:600;color:var(--text-secondary, #555)}.abm-optional{font-weight:400;color:#999}.abm-field input{height:38px;padding:0 12px;font-size:14px;font-family:inherit;background:#fff;border:1px solid var(--border, #d4d4dc);border-radius:8px;color:var(--text, #1b1b1f);outline:none;transition:border-color .12s,box-shadow .12s}.abm-field input:focus{border-color:var(--primary, #2563eb);box-shadow:0 0 0 3px #2563eb26}.abm-field input:disabled{background:#f7f7fa;color:#888}.abm-field-narrow input{max-width:140px}.abm-fieldset{margin:0;padding:14px 14px 16px;border:1px dashed var(--border, #d4d4dc);border-radius:10px;display:flex;flex-direction:column;gap:12px}.abm-fieldset legend{padding:0 6px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary, #666)}.abm-hint{margin:0;font-size:12px;line-height:1.5;color:var(--text-secondary, #666)}.abm-field-checkbox{flex-direction:row;align-items:flex-start;gap:10px}.abm-field-checkbox input[type=checkbox]{width:18px;height:18px;margin-top:2px;cursor:pointer}.abm-field-checkbox>span{display:flex;flex-direction:column;gap:2px;flex:1}.abm-label-inline{font-size:13px;font-weight:600;color:var(--text-primary, #1b1b1f)}.abm-error{padding:10px 12px;font-size:13px;color:#c62828;background:#fdecea;border-radius:8px}.abm-cover-row{display:flex;align-items:center;gap:12px}.abm-cover-thumb{flex:0 0 auto;width:96px;height:96px;border:1px dashed var(--border, #c8c8d2);border-radius:8px;background:#f5f5fa;padding:0;cursor:pointer;overflow:hidden;display:flex;align-items:center;justify-content:center;transition:border-color .12s,background .12s}.abm-cover-thumb:hover{border-color:var(--primary, #2563eb);background:#eff5ff}.abm-cover-thumb.has-image{border-style:solid;background:#fff}.abm-cover-thumb img{display:block;width:100%;height:100%;object-fit:cover}.abm-cover-thumb-placeholder{font-size:12px;font-weight:600;color:#6b6b75}.abm-cover-thumb:disabled{cursor:not-allowed;opacity:.6}.abm-cover-actions{display:flex;flex-direction:column;gap:8px}.abm-btn-danger-text{color:#c62828}.abm-btn-danger-text:hover{background:#fdecea}.abm-footer{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;background:#fafafa;border-top:1px solid var(--border, #e5e5ea)}.abm-btn{height:36px;padding:0 16px;font-size:13px;font-weight:600;font-family:inherit;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:background .12s,border-color .12s}.abm-btn:disabled{opacity:.55;cursor:not-allowed}.abm-btn-secondary{background:#fff;border-color:var(--border, #d4d4dc);color:var(--text, #1b1b1f)}.abm-btn-secondary:hover:not(:disabled){background:#f0f0f5}.abm-btn-primary{background:var(--primary, #2563eb);color:#fff}.abm-btn-primary:hover:not(:disabled){background:#1d4ed8}.pl-root{position:fixed;top:48px;left:0;right:0;bottom:0;background:var(--brand-cream);overflow-y:auto;padding:40px;z-index:50;box-sizing:border-box}.pl-header{max-width:1100px;margin:0 auto 32px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}.pl-title h1{margin:0;font-size:28px;font-weight:700;color:var(--brand-ink);letter-spacing:-.01em}.pl-title p{margin:4px 0 0;font-size:14px;color:var(--brand-muted)}.pl-search-row{max-width:1100px;margin:0 auto 18px;display:flex}.pl-search{width:100%;max-width:480px;padding:9px 14px;border:1px solid var(--brand-line-strong);border-radius:10px;font-size:13.5px;font-family:inherit;background:var(--brand-card);color:var(--brand-ink)}.pl-search:focus{outline:none;border-color:var(--brand-ink);box-shadow:0 0 0 3px #0e1a1614}.pl-new-btn{padding:9px 18px;background:var(--brand-ink);color:#fff;border:1px solid var(--brand-ink);border-radius:10px;cursor:pointer;font-size:13px;font-weight:600;white-space:nowrap;transition:background .15s,border-color .15s,transform .06s}.pl-new-btn:hover:not(:disabled){background:var(--brand-ink-hover);border-color:var(--brand-ink-hover)}.pl-new-btn:active:not(:disabled){transform:translateY(1px)}.pl-new-btn:disabled{opacity:.5;cursor:not-allowed}.pl-grade-btn{padding:9px 16px;background:var(--brand-pill-bg);color:var(--brand-pill-ink);border:1px solid var(--brand-pill-border);border-radius:10px;cursor:pointer;font-size:13px;font-weight:600;white-space:nowrap;transition:background .15s,border-color .15s,transform .06s}.pl-grade-btn:hover{background:#e6d3b0;border-color:#b4915680}.pl-grade-btn:active{transform:translateY(1px)}.pl-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.pl-grid-new-only{grid-template-columns:minmax(180px,220px);margin-bottom:20px}.pl-category{max-width:1100px;margin:0 auto 24px;padding:18px 22px 22px;background:#fff;border:1px solid var(--brand-line);border-radius:12px}.pl-category .pl-grid{max-width:none;margin:0}.pl-book{max-width:1100px;margin:0 auto 24px;padding:18px 22px 22px;background:#fff;border:1px solid var(--brand-line);border-radius:12px}.pl-book-head{display:flex;flex-direction:column;gap:6px;margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid rgba(0,0,0,.06)}.pl-book-head-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.pl-book-head-title-row{align-items:center}.pl-book-head-row-2{font-size:12px;color:var(--brand-muted)}.pl-book-head-spacer{flex:1 1 auto}.pl-book-title{margin:0;font-size:18px;font-weight:700;color:var(--brand-ink);letter-spacing:-.01em;cursor:text}.pl-book-title-input{font-size:18px;font-weight:700;color:var(--brand-ink);letter-spacing:-.01em;border:1px solid var(--primary, #007AFF);border-radius:6px;padding:2px 8px;background:#fff;outline:none;font-family:inherit}.pl-book-category{display:inline-flex}.pl-book-publish{margin:0}.pl-book-stats{white-space:nowrap}.pl-book-stats-sep{margin:0 6px;color:#c8c8d2}.pl-book-lessons{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.pl-category-head{display:flex;align-items:baseline;gap:12px;margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid rgba(0,0,0,.06)}.pl-category-title{margin:0;font-size:18px;font-weight:700;color:var(--brand-ink);letter-spacing:-.01em}.pl-category-count{font-size:12px;font-weight:500;color:var(--brand-muted-soft)}.pl-empty{max-width:1100px;margin:0 auto 24px;padding:48px 16px;text-align:center;color:var(--brand-muted-soft);font-size:14px}.pl-card{background:#fff;border:1px solid var(--brand-line);border-radius:10px;padding:10px 12px;cursor:pointer;display:flex;flex-direction:column;gap:6px;min-height:0;box-shadow:0 1px 3px #0000000a;transition:transform .1s,box-shadow .12s,border-color .1s;text-align:left;font:inherit;color:var(--brand-ink)}.pl-card:hover{border-color:var(--brand-line-strong);box-shadow:var(--brand-shadow-hover);transform:translateY(-1px)}.pl-card-top{display:flex;align-items:center;justify-content:space-between}.pl-card-code{font-family:SF Mono,Menlo,monospace;font-size:10px;font-weight:700;letter-spacing:.1em;background:var(--brand-pill-bg);color:var(--brand-pill-ink);padding:2px 6px;border-radius:4px;text-transform:uppercase}.pl-card-top-actions{display:inline-flex;align-items:center;gap:2px}.pl-card-icon-btn,.pl-card-delete{width:22px;height:22px;padding:0;border:1px solid var(--brand-line);background:#fff;color:var(--brand-muted);font-size:14px;line-height:1;border-radius:4px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .12s,border-color .12s,color .12s}.pl-card-icon-btn:hover{background:#0e1a160d;color:var(--brand-ink);border-color:var(--brand-line-strong)}.pl-card-delete:hover{background:#fef2f2;color:#b91c1c;border-color:#fecaca}.pl-card-title-input{width:100%;padding:3px 6px;margin-top:0;font-size:14px;font-weight:600;font-family:inherit;color:var(--brand-ink);background:var(--brand-card);border:1px solid var(--brand-ink);border-radius:6px;box-sizing:border-box}.pl-card-title-input:focus{outline:none;box-shadow:0 0 0 3px #0e1a1614}.pl-card-title{font-size:14px;font-weight:600;color:var(--brand-ink);line-height:1.25;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:0}.pl-card-category{margin-top:0}.pl-card-category-chip{display:inline-flex;align-items:center;height:18px;padding:0 8px;font-size:10px;font-weight:700;letter-spacing:.08em;background:var(--brand-pill-bg);color:var(--brand-pill-ink);border:1px solid var(--brand-pill-border);border-radius:999px;cursor:pointer;font-family:inherit;text-transform:uppercase}.pl-card-category-chip.empty{background:transparent;color:var(--brand-muted-soft);border-color:var(--brand-line-strong);border-style:dashed;font-weight:500}.pl-card-category-chip:hover{background:#e6d3b0}.pl-card-category-chip.empty:hover{background:#0e1a1608;color:var(--brand-muted);border-color:#0e1a1647}.pl-card-category-input{height:24px;padding:0 8px;font-size:12px;font-family:inherit;border:1px solid var(--border, #d4d4dc);border-radius:6px;outline:none;width:100%;max-width:200px}.pl-card-category-input:focus{border-color:var(--primary, #2563eb);box-shadow:0 0 0 2px #2563eb26}.pl-card-sub{display:flex;gap:4px;font-size:11px;color:var(--brand-muted-soft);flex-wrap:wrap}.pl-card-cta{font-size:12px;font-weight:600;color:var(--brand-ink);opacity:.8}.pl-card-actions{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:6px;flex-wrap:wrap}.pl-card-edit-btn{padding:5px 10px;border:1px solid var(--brand-ink);background:var(--brand-ink);color:#fff;border-radius:6px;font-size:11px;font-weight:700;cursor:pointer;transition:background .15s,border-color .15s,transform .06s}.pl-card-edit-btn:hover{background:var(--brand-ink-hover);border-color:var(--brand-ink-hover)}.pl-card-edit-btn:active{transform:translateY(1px)}.pl-card-students-btn{padding:4px 9px;border:1px solid var(--brand-line-strong);background:var(--brand-card);color:var(--brand-ink);border-radius:6px;font-size:10px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.pl-card-students-btn:hover{background:var(--brand-ink);color:#fff;border-color:var(--brand-ink)}.pl-card-add-lesson-btn{padding:5px 10px;border:1px dashed var(--brand-line-strong);background:transparent;color:var(--brand-muted);border-radius:6px;font-size:11px;font-weight:700;cursor:pointer;transition:border-color .15s,color .15s,background .15s}.pl-card-add-lesson-btn:hover{border-color:var(--brand-ink);color:var(--brand-ink);background:#0e1a1608}.pl-card-new{background:transparent;border:2px dashed var(--brand-line-strong);align-items:center;justify-content:center;text-align:center;cursor:pointer;color:var(--brand-muted)}.pl-card-new:hover{border-color:var(--brand-ink);color:var(--brand-ink);background:#0e1a1608}.pl-card-new-icon{font-size:36px;font-weight:300;line-height:1;color:inherit}.pl-card-new-label{font-size:14px;font-weight:600;color:inherit}.pl-card-new-hint{font-size:11px;color:#a0a0ab}.pl-grading{margin:0 32px 24px;background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:18px 22px;box-shadow:0 1px 3px #0000000a}.pl-grading-head h2{font-size:18px;font-weight:700;margin:0;color:#9a3412;display:flex;align-items:center;gap:10px}.pl-grading-head p{margin:4px 0 14px;color:#9a3412;opacity:.8;font-size:13px}.pl-grading-total{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:24px;padding:0 9px;background:#f97316;color:#fff;border-radius:999px;font-size:13px;font-weight:800}.pl-grading-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.pl-grading-card{display:flex;flex-direction:column;gap:6px;padding:14px 16px;background:#fff;border:1px solid #fed7aa;border-left:5px solid #f97316;border-radius:10px;text-align:left;cursor:pointer;transition:transform .12s,box-shadow .12s,border-color .12s}.pl-grading-card:hover{transform:translateY(-1px);box-shadow:0 6px 14px #f973162e;border-color:#f97316}.pl-grading-card-head{display:flex;align-items:baseline;gap:6px}.pl-grading-count{font-size:26px;font-weight:800;color:#c2410c;line-height:1}.pl-grading-label{font-size:12px;color:#9a3412;text-transform:uppercase;letter-spacing:.6px}.pl-grading-title{font-weight:700;font-size:14px;color:var(--brand-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pl-grading-sub{font-size:12px;color:#666}.pl-grading-stats{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}.pl-grading-pill{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px}.pl-grading-pill.new{background:#fef3c7;color:#92400e}.pl-grading-pill.prog{background:#ede9fe;color:#6b21a8}.pl-grading-pill.done{background:#dcfce7;color:#166534}.pl-grading-cta{margin-top:6px;font-size:12px;font-weight:600;color:#c2410c}.pl-user{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;background:#ececf4;border-radius:999px;font-size:12px;color:var(--brand-ink)}.pl-user-name{font-weight:600}.pl-logout{border:none;background:transparent;color:#2563eb;cursor:pointer;font-size:12px;font-weight:600;padding:0}.pl-logout:hover{text-decoration:underline}.pl-card-publish{display:flex;align-items:center;gap:8px;margin-top:6px;font-size:12px}.pl-card-publish-label{display:inline-flex;align-items:center;gap:6px;cursor:pointer;color:#555;font-weight:600}.pl-card-publish-label input{cursor:pointer}.pl-card-publish-tag{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:2px 8px;border-radius:999px;background:#3a6b5a24;color:var(--brand-forest)}.user-menu{position:relative;display:inline-flex;align-items:center}.user-menu-btn{display:inline-flex;align-items:center;gap:8px;padding:3px 12px 3px 3px;background:#fff;border:1px solid var(--border, #e5e5ea);border-radius:999px;font-size:13px;font-family:inherit;color:var(--text, #1b1b1f);cursor:pointer;transition:background .12s,border-color .12s}.user-menu-btn:hover,.user-menu-btn.open{background:#f5f5fa;border-color:#d4d4dc}.user-menu-avatar{width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;background:#6366f1}.user-menu-avatar.role-admin{background:#f59e0b}.user-menu-name{font-weight:500;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-chev{font-size:9px;color:#888;margin-left:1px}.user-menu-pop{position:absolute;top:calc(100% + 6px);right:0;min-width:240px;background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:10px;box-shadow:0 10px 30px #00000026;overflow:hidden;animation:user-menu-pop-in .12s ease-out;z-index:250}@keyframes user-menu-pop-in{0%{opacity:0;transform:scale(.96) translateY(-4px)}to{opacity:1;transform:scale(1) translateY(0)}}.user-menu-info{padding:14px 16px 12px}.user-menu-info-name{font-size:14px;font-weight:600;color:var(--text, #1b1b1f);word-break:break-word}.user-menu-info-email,.user-menu-info-username{font-size:12px;color:#666;margin-top:2px;word-break:break-all}.user-menu-info-role{display:inline-block;margin-top:8px;padding:2px 8px;font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;border-radius:4px;background:#e0e7ff;color:#4338ca}.user-menu-info-role.role-admin{background:#fef3c7;color:#92400e}.user-menu-divider{height:1px;background:var(--border, #e5e5ea);margin:0}.user-menu-item{display:block;width:100%;padding:11px 16px;text-align:left;background:transparent;border:none;cursor:pointer;font:inherit;font-size:13px;color:var(--text, #1b1b1f)}.user-menu-item:hover{background:#f5f5fa}.user-menu-signout{color:#c62828}.user-menu-signout:hover{background:#fdecea}.topbar{position:fixed;top:0;left:0;right:0;height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:var(--brand-card);border-bottom:1px solid var(--brand-line);box-shadow:0 1px 2px #0e1a160a;z-index:200}.topbar-brand{display:flex;align-items:center}.topbar-brand-btn,.topbar-brand-static{display:inline-flex;align-items:center;gap:7px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--brand-ink);font-family:inherit;line-height:1}.topbar-brand-btn{background:transparent;border:none;padding:0;cursor:pointer;transition:opacity .15s}.topbar-brand-btn:hover{opacity:.7}.topbar-brand-static{cursor:default}.topbar-brand-mark{display:inline-flex;width:20px;height:20px;align-items:center;justify-content:center;color:var(--brand-ink)}.topbar-actions{display:flex;align-items:center;gap:8px;min-width:0}.topbar-pills{display:flex;align-items:center;gap:8px;min-width:0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.topbar-pills::-webkit-scrollbar{display:none}.topbar-manage-btn{height:32px;padding:0 14px;background:var(--brand-ink);color:#fff;border:1px solid var(--brand-ink);border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:background .12s,border-color .12s,transform .06s;font-family:inherit}.topbar-manage-btn:hover{background:var(--brand-ink-hover);border-color:var(--brand-ink-hover)}.topbar-manage-btn:active{transform:translateY(1px)}.topbar-storage-btn{background:transparent;color:var(--brand-ink);border:1px solid var(--brand-line-strong)}.topbar-storage-btn:hover{background:#0e1a160a;color:var(--brand-ink);border-color:#0e1a1647}@media (max-width: 720px){.topbar{padding:0 10px}.topbar-brand-btn,.topbar-brand-static{font-size:14px;gap:4px}.topbar-brand-mark,.topbar-brand-mark svg{width:15px;height:15px}.topbar-actions,.topbar-pills{gap:4px}.topbar-manage-btn{flex-shrink:0;height:24px;padding:0 8px;font-size:10.5px;border-radius:6px;gap:4px}}@media (max-width: 480px){.topbar{padding:0 8px}.topbar-brand-btn,.topbar-brand-static{font-size:13.5px}.topbar-brand-mark,.topbar-brand-mark svg{width:14px;height:14px}.topbar-actions,.topbar-pills{gap:3px}.topbar-manage-btn{height:22px;padding:0 7px;font-size:10px}}.app{display:flex;min-height:100vh;--tp-width: clamp(240px, 30vw, 360px)}@media (max-width: 720px){.app:has(.transcript-panel .tp-pane-activities){--tp-width: clamp(140px, 45vw, 200px)}}.main-content{flex:1;display:flex;flex-direction:column;margin-top:48px;padding:0;height:calc(100dvh - 48px);overflow:hidden;transition:margin .2s ease}.app.has-explainer-bar .main-content{height:calc(100dvh - 104px)}.app.has-explainer-bar:not(:has(.explainer-bar)) .main-content{height:calc(100dvh - 48px)}.app.has-explainer-bar .pdf-document-wrapper{max-height:calc(100vh - 240px)}.loading{display:flex;align-items:center;justify-content:center;height:100vh;font-size:16px;color:var(--text-secondary)}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border)}.toolbar h2{font-size:18px;font-weight:600}.toolbar-right{display:flex;gap:8px}.placement-banner{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:#fff3e0;border:2px solid #FF9500;border-radius:var(--radius);margin-bottom:12px;font-size:14px;font-weight:500;color:#e65100;animation:bannerPulse 1.5s ease-in-out infinite}@keyframes bannerPulse{0%,to{border-color:#ff9500}50%{border-color:#ffb74d}}.right-panel{position:fixed;top:48px;right:0;width:380px;height:calc(100dvh - 48px);background:var(--surface);border-left:1px solid var(--border);overflow-y:auto;z-index:50;box-shadow:-2px 0 12px #0000000f;padding:16px;animation:slideInRight .2s ease-out}.app.has-transcript-panel .right-panel{right:var(--tp-width)}.app.has-transcript-panel .main-content{margin-right:var(--tp-width)}.app.has-right-panel.has-transcript-panel .main-content{margin-right:calc(var(--tp-width) + 380px)}.app.has-right-panel:not(.has-transcript-panel) .main-content{margin-right:380px}.app.has-transcript-panel:not(:has(.transcript-panel)) .main-content{margin-right:0}.app.has-right-panel.has-transcript-panel:not(:has(.transcript-panel)) .main-content{margin-right:380px}.app.has-transcript-panel:not(:has(.transcript-panel)) .right-panel{right:0}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.app-panel-edge-toggle{position:fixed;top:56px;right:var(--tp-width, 360px);width:28px;height:72px;z-index:60;display:inline-flex;align-items:center;justify-content:center;background:var(--primary, #0071e3);border:none;border-radius:8px 0 0 8px;cursor:pointer;box-shadow:-2px 4px 12px #0000001f;padding:0;transition:right .25s ease,background .15s}.app-panel-edge-toggle.is-closed{right:0}.app-panel-edge-toggle:hover{background:var(--primary-hover, #0077ed)}.app:not(:has(.transcript-panel)) .app-panel-edge-toggle{display:none}.app-canvas-back-btn{position:fixed;top:8px;left:8px;z-index:60;display:none;align-items:center;justify-content:center;width:32px;height:32px;padding:0;background:#fff;border:1px solid #e5e5e7;border-radius:8px;color:#1b1b1f;font-size:18px;font-weight:600;cursor:pointer;box-shadow:0 1px 3px #00000014;font-family:inherit}.app-canvas-back-btn:hover{background:#f5f5fa}@media (max-height: 500px){.topnav{display:none!important}.main-content,.app.has-explainer-bar .main-content{margin-top:0!important}.main-content{height:100dvh!important}.app.has-explainer-bar .main-content{height:calc(100dvh - 56px)!important}.app.has-explainer-bar:not(:has(.explainer-bar)) .main-content{height:100dvh!important}.transcript-panel{top:0!important}.app-panel-edge-toggle{top:8px!important}.app-canvas-back-btn{display:inline-flex}}.app-panel-edge-toggle-label{writing-mode:vertical-rl;transform:rotate(180deg);color:#fff;font-size:11px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;line-height:1;-webkit-user-select:none;user-select:none}.right-panel .cue-editor{border:none;box-shadow:none;padding:0;margin-bottom:0}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:60vh;text-align:center}.empty-icon{font-size:48px;margin-bottom:16px}.empty-state h2{font-size:24px;margin-bottom:8px}.empty-state p{color:var(--text-secondary);margin-bottom:20px;max-width:400px}.empty-state.book-overview{height:auto;padding:48px 24px 24px;display:block;text-align:left}.book-overview-head{max-width:1100px;margin:0 auto 20px;display:flex;align-items:center;gap:14px}.book-overview-icon{font-size:32px;line-height:1}.book-overview-titles h2{margin:0;font-size:22px;font-weight:700;color:#1b1b1f;letter-spacing:-.01em}.book-overview-titles p{margin:2px 0 0;font-size:13px;color:#6b6b75}.book-overview-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.lesson-card{position:relative;background:#fff;border:1px solid var(--border, #e5e5e7);border-radius:10px;padding:16px 14px;cursor:pointer;display:flex;flex-direction:column;align-items:flex-start;gap:6px;min-height:140px;box-shadow:0 1px 3px #0000000a;transition:transform .1s,box-shadow .12s,border-color .1s;text-align:left;font:inherit;color:#1b1b1f}.lesson-card:hover{border-color:var(--primary, #007AFF);box-shadow:0 6px 20px #00000014;transform:translateY(-1px)}.lesson-card:focus-visible{outline:2px solid var(--primary, #007AFF);outline-offset:2px}.lesson-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%}.lesson-card-icon{font-size:22px;line-height:1;color:#6b6b75}.lesson-card-code{font-family:SF Mono,Menlo,monospace;font-size:10px;font-weight:700;letter-spacing:.1em;background:#f0f0f7;color:#5a5a65;padding:2px 6px;border-radius:4px;text-transform:uppercase;margin-right:48px}.lesson-card-title{font-size:14px;font-weight:600;word-break:break-word}.lesson-card-title-input{width:100%;font-family:inherit;font-size:14px;font-weight:600;color:#1b1b1f;border:1px solid var(--primary, #007AFF);border-radius:4px;padding:2px 6px;background:#fff;outline:none;box-sizing:border-box}.lesson-card-meta{font-size:11px;color:#6b6b75;margin-top:auto}.lesson-card-actions{position:absolute;top:6px;right:6px;display:flex;gap:2px;opacity:0;transition:opacity .12s}.lesson-card:hover .lesson-card-actions,.lesson-card:focus-within .lesson-card-actions{opacity:1}.lesson-card-action-btn{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;background:#ffffffeb;border:1px solid var(--border, #e5e5e7);border-radius:4px;color:#6b6b75;cursor:pointer;font:inherit;line-height:1;transition:background .12s,color .12s,border-color .12s}.lesson-card-action-btn:hover{background:#f0f0f5;color:#1b1b1f;border-color:#c8c8d2}.lesson-card-delete-btn{font-size:16px;font-weight:400}.lesson-card-delete-btn:hover{background:#fff0f0;color:#d32f2f;border-color:#ffcaca}.lesson-card-new{background:transparent;border:2px dashed #c8c8d2;align-items:center;justify-content:center;text-align:center;color:#6b6b75;box-shadow:none}.lesson-card-new:hover{border-color:var(--primary, #007AFF);color:var(--primary, #007AFF);background:#007aff05;box-shadow:none;transform:none}.lesson-card-new-icon{font-size:36px;font-weight:300;line-height:1;color:inherit}.lesson-card-new-label{font-size:14px;font-weight:600;color:inherit}.lesson-card-new-hint{font-size:11px;color:#a0a0ab}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:#f5f5f7;color:#1d1d1f}:root{--sidebar-width: 280px;--primary: #0071e3;--primary-hover: #0077ed;--danger: #ff3b30;--success: #34c759;--bg: #f5f5f7;--surface: #ffffff;--border: #d2d2d7;--text: #1d1d1f;--text-secondary: #86868b;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--brand-cream: #f1eadd;--brand-cream-soft: #f6f0e5;--brand-section: #fbfaf5;--brand-card: #ffffff;--brand-ink: #0e1a16;--brand-ink-soft: #1f2a26;--brand-ink-hover: #2a3934;--brand-muted: #5a6b65;--brand-muted-soft: #8a9b94;--brand-pill-bg: #ede0c8;--brand-pill-border: rgba(180, 145, 86, .32);--brand-pill-ink: #8a6b3a;--brand-forest: #3a6b5a;--brand-forest-soft: #5fb59d;--brand-line: rgba(14, 26, 22, .08);--brand-line-strong: rgba(14, 26, 22, .16);--brand-anchor: #0e1419;--brand-shadow-card: 0 1px 2px rgba(14, 26, 22, .04);--brand-shadow-hover: 0 10px 28px rgba(14, 26, 22, .08)}button{cursor:pointer;font-family:inherit;border:none;border-radius:6px;font-size:13px;font-weight:500;padding:6px 14px;transition:all .15s ease}button:active{transform:scale(.97)}input,select,textarea{font-family:inherit;font-size:13px;border:1px solid var(--border);border-radius:6px;padding:6px 10px;outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--primary)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:#e8e8ed;color:var(--text)}.btn-secondary:hover{background:#d2d2d7}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#e0342b}.btn-sm{padding:4px 10px;font-size:12px}