:root{--accent: #6558d3;--accent-2: #19a995;--background: #f7f5ff;--ink: #28253b;--muted: #716d83;--surface: rgba(255, 255, 255, .88);--line: rgba(80, 71, 123, .13);--shadow: 0 26px 70px rgba(71, 56, 133, .15);--danger: #e11d48;--ok: #087d6b;color-scheme:light;font-family:ui-rounded,SF Pro Rounded,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;color:var(--ink);background:radial-gradient(circle at 15% 0%,rgba(226,218,255,.75),transparent 32rem),radial-gradient(circle at 95% 14%,rgba(185,244,229,.55),transparent 27rem),linear-gradient(180deg,#fbfaff 0%,var(--background) 58%,#f6f9ff 100%)}button,textarea,input{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none;-webkit-tap-highlight-color:transparent}button:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 38%,white);outline-offset:3px}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85em;color:var(--accent)}.page{position:relative;min-height:100vh}.page-glow{position:fixed;z-index:0;border-radius:999px;pointer-events:none;opacity:.7;filter:blur(2px)}.page-glow--one{top:13rem;left:-7rem;width:14rem;height:14rem;border:1px dashed rgba(101,88,211,.35);background:#e2daff59}.page-glow--two{top:6rem;right:-4rem;width:12rem;height:12rem;background:#b9f4e573}.lesson-shell{position:relative;z-index:1;width:min(1280px,calc(100% - 24px));margin:0 auto;padding:20px 0 42px}.lesson-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.brand{display:inline-flex;align-items:center;gap:.7rem;text-decoration:none;color:inherit}.brand-mark{display:grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:13px;background:linear-gradient(135deg,#8877ee,var(--accent));color:#fff;font-size:1rem}.brand strong{display:block;font-size:16px}.brand small{display:block;color:var(--muted);font-size:11px}.nav-chips{display:flex;flex-wrap:wrap;gap:.45rem}.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.45rem .9rem;border-radius:999px;border:1px solid var(--line);background:#ffffffb8;color:var(--ink);font-size:12px;font-weight:700}.chip.is-active{background:var(--accent);border-color:transparent;color:#fff}.chip-count{display:inline-grid;place-items:center;min-width:1.2rem;height:1.2rem;padding:0 .3rem;border-radius:999px;background:#ffffff47;font-size:10px}.hero-copy{max-width:780px;margin:0 auto 1.5rem;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:.4rem;margin:0 0 .75rem;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.12em}.eyebrow span{color:#f2a93b;display:inline-block;transform:rotate(-12deg)}.hero-copy h1{margin:0 0 .75rem;font-size:clamp(30px,5vw,50px);line-height:1.1;letter-spacing:-.035em}.lede{margin:0 auto;max-width:620px;color:var(--muted);font-size:15px;line-height:1.6}.player-card{padding:16px;border:1px solid rgba(255,255,255,.9);border-radius:30px;background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.composer-card{max-width:820px;margin:0 auto}.field-label{display:block;margin:0 0 .5rem;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}textarea{width:100%;resize:vertical;min-height:110px;padding:1rem 1.1rem;border:none;border-radius:0;background:transparent;line-height:1.5}.composer-editor{position:relative;border-radius:18px;border:1px solid var(--line);background:#f7f6fde6;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.composer-editor:focus-within{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 14%,transparent)}.composer-editor textarea:focus-visible{outline:none}.composer-card.is-dragover .composer-editor{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));background:color-mix(in srgb,var(--accent) 6%,white);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.composer-toolbar{display:flex;align-items:center;gap:.55rem;padding:.35rem .65rem .65rem;border-top:1px solid color-mix(in srgb,var(--line) 70%,transparent)}.composer-toolbar__hint{color:var(--muted);font-size:12px}.attach-btn{display:inline-grid;place-items:center;width:2.15rem;height:2.15rem;border-radius:11px;border:1px solid transparent;background:transparent;color:var(--muted);transition:background .12s ease,color .12s ease,border-color .12s ease,transform .12s ease}.attach-btn:hover:not(:disabled){color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,white);border-color:color-mix(in srgb,var(--accent) 22%,transparent)}.attach-btn:active:not(:disabled){transform:scale(.94)}.attach-btn:disabled{opacity:.4;cursor:not-allowed}.composer-drop-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;border-radius:17px;background:color-mix(in srgb,var(--accent) 10%,rgba(255,255,255,.72));color:var(--accent);font-weight:750;font-size:15px;pointer-events:none;z-index:2}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.figure-thumbs{list-style:none;margin:0;padding:0 .75rem .85rem;display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:.65rem}.figure-thumbs--detail{margin:0 0 .85rem;padding:0}.figure-thumb{position:relative;display:flex;flex-direction:column;gap:.3rem;min-width:0;animation:thumb-in .18s ease-out}@keyframes thumb-in{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.figure-thumb img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;border:1px solid var(--line);background:#fff}.figure-pdf{display:grid;place-items:center;width:100%;aspect-ratio:1;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--accent);font-weight:800;text-decoration:none}.figure-remove{position:absolute;top:.25rem;right:.25rem;width:1.4rem;height:1.4rem;border-radius:999px;background:#28253bb8;color:#fff;font-size:14px;line-height:1}.figure-name{color:var(--muted);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chips{display:flex;flex-wrap:wrap;gap:.45rem;margin:.85rem 0 1rem}.actions{display:flex;flex-wrap:wrap;gap:.55rem;align-items:center}.primary,a.primary{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.25rem;border-radius:13px;background:var(--accent);color:#fff!important;font-weight:750;text-decoration:none;box-shadow:0 10px 24px #6558d347}.primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.ghost,a.ghost{display:inline-flex;align-items:center;justify-content:center;padding:.65rem 1rem;border-radius:13px;border:1px solid var(--line);background:#fff;font-weight:650;text-decoration:none;color:inherit}.danger{padding:.65rem 1rem;border-radius:13px;background:color-mix(in srgb,var(--danger) 12%,white);color:var(--danger);font-weight:750;border:1px solid color-mix(in srgb,var(--danger) 25%,white)}.primary-link{color:var(--accent);font-weight:750;text-decoration:none}.inline-error,.console-error{margin-top:.85rem;padding:.75rem .9rem;border-radius:12px;background:color-mix(in srgb,var(--danger) 12%,white);color:var(--danger)}.panel-header{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;margin-bottom:1rem;flex-wrap:wrap}.panel-header h2{margin:.2rem 0 0;font-size:clamp(18px,3vw,25px)}.scene-kicker{display:block;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.12em}.empty-hint{color:var(--muted);margin:1rem 0}.job-list{list-style:none;margin:0;padding:0;display:grid;gap:.75rem}.job-card{display:flex;justify-content:space-between;gap:1rem;padding:1rem 1.1rem;border-radius:19px;border:1px solid var(--line);background:#f7f6fdd6;flex-wrap:wrap;position:relative;-webkit-user-select:none;user-select:none;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.job-card.is-selected,.lesson-tile.is-selected{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));background:color-mix(in srgb,var(--accent) 8%,white);box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 28%,transparent)}.job-list.is-select-mode .job-card,.lesson-grid.is-select-mode .lesson-tile{cursor:pointer}.select-check{position:absolute;top:.7rem;right:.7rem;width:1.35rem;height:1.35rem;border-radius:999px;border:1.5px solid color-mix(in srgb,var(--accent) 35%,var(--line));background:#ffffffeb;color:var(--accent);font-size:11px;font-weight:800;display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .12s ease,background .12s ease,border-color .12s ease;z-index:2}.job-list.is-select-mode .select-check,.lesson-grid.is-select-mode .select-check{opacity:1}.job-card.is-selected .select-check,.lesson-tile.is-selected .select-check{background:var(--accent);border-color:var(--accent);color:#fff}.panel-hint{margin:.2rem 0 0;color:var(--muted);font-size:12px}.player-card.has-delete-bar{padding-bottom:calc(5.5rem + env(safe-area-inset-bottom,0px))}.record-delete-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1.1rem calc(.75rem + env(safe-area-inset-bottom,0px));background:#fffffff5;border-top:1px solid var(--line);box-shadow:0 -6px 24px #47388514;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.record-delete-bar__count{flex-shrink:0;color:var(--muted);font-size:14px;font-weight:650}.record-delete-bar__actions{display:flex;align-items:center;gap:.55rem}.record-delete-bar__cancel{margin:0;min-height:2.5rem;padding:0 1.1rem;border:none;border-radius:999px;background:#f3f1f8;color:var(--muted);font-weight:650}.record-delete-bar__confirm{margin:0;min-height:2.5rem;padding:0 1.25rem;border:none;border-radius:999px;background:linear-gradient(135deg,#fb7185 0%,var(--danger) 100%);color:#fff;font-weight:750}.record-delete-bar__confirm:disabled{opacity:.45;cursor:not-allowed}.job-topic{margin:.45rem 0 .25rem;font-weight:700}.job-meta{margin:0;color:var(--muted);font-size:12px}.status-badge{display:inline-flex;align-items:center;padding:.2rem .55rem;border-radius:999px;font-size:11px;font-weight:800;background:#dedbea;color:var(--ink)}.status-badge.is-queued{background:#ece9ff;color:var(--accent)}.status-badge.is-running{background:#def9f2e6;color:var(--ok)}.status-badge.is-completed{background:color-mix(in srgb,var(--accent-2) 22%,white);color:var(--ok)}.status-badge.is-cancelled,.status-badge.is-interrupted{background:#f3f0f7;color:var(--muted)}.status-badge.is-failed{background:color-mix(in srgb,var(--danger) 14%,white);color:var(--danger)}.job-card__actions{display:flex;gap:.5rem;align-items:center}.prompt-line{margin:0 0 .85rem;padding:.75rem .9rem;border-radius:14px;background:#f7f6fde6;color:var(--muted);font-size:13px;word-break:break-word}.console-body{max-height:min(58vh,640px);overflow:auto;padding:.75rem;border-radius:20px;background:#201c3b;color:#f4f1ff;font-size:12.5px;line-height:1.45}.console-empty{color:#f4f1ffa6;padding:1.5rem .5rem}.log-line{display:grid;grid-template-columns:4.5rem 5rem 1fr;gap:.45rem;padding:.3rem .15rem;border-bottom:1px solid rgba(255,255,255,.06)}.log-time{color:#f4f1ff73;font-variant-numeric:tabular-nums}.log-tag{color:#9c8cf5}.level-error .log-tag,.level-stderr .log-tag{color:#fda4af}.level-cmd .log-tag{color:#74dec8}.level-think .log-tag{color:#c4b5fd}.log-line pre{margin:0;white-space:pre-wrap;word-break:break-word;font:inherit;color:#f4f1ff}.lesson-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.85rem;align-items:stretch}.lesson-grid>li,.lesson-tile-wrap{display:flex;min-width:0;position:relative}.lesson-tile__download{position:absolute;right:.65rem;bottom:.65rem;z-index:3;padding:.35rem .7rem;border-radius:999px;background:#28253be0;color:#fff;font-size:12px;font-weight:700;text-decoration:none;box-shadow:0 6px 16px #28253b33;transition:background .12s ease,transform .12s ease}.lesson-tile__download:hover{background:var(--accent);transform:translateY(-1px)}.lesson-tile{display:flex;flex-direction:column;flex:1;width:100%;min-height:100%;overflow:hidden;border-radius:19px;border:1px solid var(--line);background:#f7f6fde6;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease,background .15s ease;position:relative;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.lesson-tile:hover{transform:translateY(-2px);box-shadow:0 12px 28px #4738851f}.lesson-grid.is-select-mode .lesson-tile:hover{transform:none}.lesson-tile__poster{position:relative;aspect-ratio:16 / 9;background:radial-gradient(circle at 20% 20%,rgba(101,88,211,.22),transparent 55%),radial-gradient(circle at 80% 70%,rgba(25,169,149,.18),transparent 50%),#ebe7ff;overflow:hidden}.lesson-tile__lab{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0;pointer-events:none;background:#f4f7f8;opacity:0}.lesson-tile__lab.is-ready{opacity:1}.lesson-tile__image,.lesson-tile__video{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none;background:#ebe7ff}.lesson-tile__poster-fallback{width:100%;height:100%;display:grid;place-items:center;color:#6558d38c;font-size:2rem;font-weight:750}.lesson-tile__body{display:flex;flex-direction:column;flex:1;gap:.35rem;padding:.85rem 1rem 1rem}.lesson-tile__title{font-weight:750;line-height:1.35;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden}.lesson-tile code{color:var(--muted);font-size:11px;word-break:break-all}.lesson-tile__time{margin-top:auto;color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums;letter-spacing:.01em}.footer{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-top:1.75rem;color:#8a8699;font-size:12px}@media(max-width:720px){.player-card{border-radius:22px;padding:12px}.log-line{grid-template-columns:3.6rem 1fr}.log-tag{grid-column:1 / -1}}