:root{--bg: #f6f4ef;--paper: #fffdfa;--ink: #191714;--muted: #5f5a52;--line: #e4ddd2;--accent: #1e5c5a;--accent-light: #e8f2f1;--danger: #c43b2f;--sans: "Libre Franklin", ui-sans-serif, system-ui, sans-serif;--serif: "Libre Baskerville", Georgia, serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--serif);line-height:1.6}h1,h2,button,label,.meta,.badge{font-family:var(--sans)}.shell{max-width:720px;margin:0 auto;padding:48px 24px 72px}.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:28px 32px;box-shadow:0 12px 40px #0000000f}.meta{color:var(--muted);font-size:.92rem}input[type=email]{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;margin:12px 0 16px}button,.btn{display:inline-block;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-family:var(--sans);font-weight:600;cursor:pointer;text-decoration:none}button:disabled{opacity:.55;cursor:not-allowed}button.secondary{background:transparent;color:var(--accent);border:1px solid var(--line)}.error{color:var(--danger);margin-top:12px}.badge{display:inline-block;background:var(--accent-light);color:var(--accent);padding:4px 10px;border-radius:999px;font-size:.82rem;font-weight:600}.dev-link{margin-top:16px;padding:12px;background:#fff8e8;border-radius:8px;font-size:.88rem;word-break:break-all}.shell.wide{max-width:1080px}.toolbar{display:flex;gap:12px;align-items:center;margin:16px 0 24px;flex-wrap:wrap}.toolbar a{color:var(--accent);font-family:var(--sans);font-weight:600}.data-table{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:.92rem}.data-table th,.data-table td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}.data-table th{color:var(--muted);font-weight:600}.form-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.form-col{display:flex;flex-direction:column;gap:12px;max-width:420px}.form-col input,.form-row input,.form-row select{padding:8px 10px;border:1px solid var(--line);border-radius:8px}.upload-row{display:block;margin:12px 0;font-family:var(--sans)}.ok{color:var(--accent);margin-top:12px}.warn{color:#9a5b00;font-family:var(--sans);font-size:.88rem;margin-left:8px}.editor-layout{min-height:100vh;height:100vh;display:flex;flex-direction:column}.editor-bar{display:flex;gap:16px;align-items:center;padding:12px 20px;background:var(--paper);border-bottom:1px solid var(--line);font-family:var(--sans)}.editor-bar h1{margin:0;font-size:1.1rem;flex:1}.editor-main{flex:1;padding:20px}.history-drawer{position:fixed;top:0;right:0;width:360px;height:100vh;background:var(--paper);border-left:1px solid var(--line);padding:20px;overflow:auto}.history-list{list-style:none;padding:0;margin:16px 0}.history-list li{padding:12px 0;border-bottom:1px solid var(--line)}.history-list li.burst{opacity:.85;padding-left:12px;border-left:3px solid var(--line)}.btn-row{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;align-items:center}.link-btn{display:inline-block;padding:10px 16px;border:1px solid var(--line);border-radius:8px;font-family:var(--sans);font-weight:600;text-decoration:none;color:var(--accent)}.materials-grid{display:flex;flex-direction:column;gap:16px;margin-top:16px}.material-row{display:flex;flex-direction:column;gap:6px;font-family:var(--sans)}.material-label{font-weight:600}.notes-preview{background:#f0ebe3;padding:12px;border-radius:8px;font-size:.82rem;max-height:200px;overflow:auto}.canvas-main{padding:0;display:flex;flex-direction:column;flex:1;min-height:0}.onset-editor{display:flex;flex-direction:column;flex:1;min-height:0}.editor-warn{padding:12px 20px;margin:0;background:#fff8e8;border-bottom:1px solid var(--line)}.editor-toolbar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;padding:8px 16px;background:var(--paper);border-bottom:1px solid var(--line);font-family:var(--sans);font-size:.82rem}.editor-toolbar .help-btn{width:2rem;height:2rem;padding:0;border-radius:50%}.zoom-control{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}.zoom-control input[type=range]{width:6.5rem}.zoom-control span{min-width:1.75rem;font-weight:600;color:var(--accent)}.editor-metrics{margin-left:auto;color:var(--muted);font-size:.78rem}.timeline-wrap{flex:1;display:flex;flex-direction:column;min-height:280px}.timeline-scroll{flex:1;overflow-x:auto;overflow-y:hidden;background:var(--paper);border-bottom:1px solid var(--line)}.timeline-inner{display:inline-block;vertical-align:top;min-width:100%}.pane{border-bottom:1px solid var(--line);background:var(--paper)}.pane-head{padding:6px 16px;font-family:var(--sans);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f5f3f0;border-bottom:1px solid var(--line)}#timeline-canvas{display:block;cursor:crosshair;min-height:200px}#timeline-canvas.dragging{cursor:ew-resize}.minimap-bar{background:var(--paper);border-bottom:1px solid var(--line);flex-shrink:0}#minimap-canvas{display:block;width:100%;height:48px;cursor:grab}#minimap-canvas:active{cursor:grabbing}.editor-status{padding:8px 16px;font-family:var(--sans);font-size:.82rem;background:#f5f3f0;border-top:1px solid var(--line)}.editor-status.err{color:var(--danger)}.help-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;display:grid;place-items:center;padding:20px;background:#08090c8c}.help-modal-card{position:relative;width:min(420px,100%);background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px;font-family:var(--sans);box-shadow:0 20px 50px #0000002e}.help-modal-close{position:absolute;top:8px;right:12px;border:0;background:transparent;font-size:1.35rem;cursor:pointer;color:var(--muted)}.shortcut-list{margin:12px 0 0}.shortcut-row{display:grid;grid-template-columns:4rem 1fr;gap:8px;margin-bottom:8px}.shortcut-row dt{font-weight:700;margin:0}.shortcut-row dd{margin:0;color:var(--muted)}