:root{--paper:#faf7f2;--panel:#ffffff;--ink:#1f2933;--ink-soft:#52606d;--line:#e4ddd2;--accent:#2f6fed;--accent-soft:#e8effd;--danger:#c0392b;--ok:#1e7f4f}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,sans-serif}.studio{display:grid;grid-template-columns:minmax(0,1fr) 272px;height:100vh;overflow:hidden}.board-area{min-height:0;position:relative}.board-host{width:100%;height:100%}.board-loading{justify-content:center;height:100%;color:var(--ink-soft);font-size:15px}.board-loading,.control-dock{display:flex;align-items:center}.control-dock{position:fixed;top:12px;right:284px;z-index:50;gap:6px;padding:6px;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 16px rgba(31,41,51,.08)}.control-dock button{padding:7px 12px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--ink);font-size:13px;cursor:pointer;white-space:nowrap}.control-dock button:hover:not(:disabled){background:var(--accent-soft);color:var(--accent)}.control-dock button:disabled{opacity:.5;cursor:not-allowed}.toggle-on{background:var(--accent-soft)!important;color:var(--accent)!important}.record-start{font-weight:600}.record-start,.record-start:hover:not(:disabled){background:var(--danger)!important;color:#fff!important}.record-start:hover:not(:disabled){filter:brightness(1.1)}.record-stop{background:var(--ink)!important;color:#fff!important;font-weight:600}.slide-strip{gap:6px;padding:6px 12px;border-top:1px solid var(--line);overflow-x:auto}.slide-chip,.slide-strip{display:flex;align-items:center;background:var(--panel)}.slide-chip{border:1px solid var(--line);border-radius:7px;overflow:hidden}.slide-chip-active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.slide-button{min-width:32px;padding:5px 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input:disabled{cursor:not-allowed;opacity:.45}.slide-sidebar-list{flex:1 1;min-height:0;overflow-y:auto;padding:12px}.slide-card{display:grid;grid-template-columns:92px minmax(0,1fr);gap:8px 10px;padding:8px;margin-bottom:10px;border:1px solid transparent;border-radius:12px;background:#f8fafc}.slide-card[draggable=true]{cursor:grab}.slide-card-active{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px rgba(47,111,237,.08)}.slide-thumbnail{grid-row:1/span 2;width:92px;aspect-ratio:16/9;padding:0;overflow:hidden;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink-soft);cursor:pointer;font-size:12px}.slide-thumbnail-image{display:block;width:100%;height:100%;background-position:50%;background-repeat:no-repeat;background-size:contain}.slide-card input{width:100%;min-width:0;border:1px solid transparent;border-radius:6px;padding:5px 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#24372f18}button,input,select,textarea{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.5}.settings-dialog{box-shadow:var(--shadow-panel)}.settings-dialog-head{position:sticky;top:0;background:var(--panel);z-index:2}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;transition-duration:.01ms!important}}.studio{grid-template-rows:64px minmax(0,1fr)}.board-area{grid-row:2;grid-column:1}.slide-sidebar{grid-row:2;grid-column:2}.control-dock{top:10px;right:16px;box-shadow:none;border:0}.project-actions{grid-column:1/-1;grid-row:1;display:flex;gap:10px;align-items:center;padding:0 18px;background:var(--panel);border-bottom:1px solid var(--line)}.project-actions strong{font-size:23px;letter-spacing:-1px;margin-right:14px}.project-actions strong span{font-size:12px;font-weight:400;display:block;letter-spacing:3px}.project-actions button{border:1px solid var(--line);border-radius:6px;padding:7px 10px;background:white;cursor:pointer;font-size:12px}.project-save-note{max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px;color:var(--ink-soft)}@media (max-width:1400px){.project-save-note{display:none}}.recording-result{width:min(900px,92vw);background:var(--panel);padding:24px;border-radius:18px;box-shadow:var(--shadow-panel);max-height:94vh;overflow-y:auto}.recording-result footer,.recording-result header{display:flex;align-items:center;justify-content:space-between;gap:16px}.recording-result video{width:100%;height:min(55vh,540px);background:#172c24;border-radius:10px}.recording-result a,.recording-result button{border:1px solid var(--line);border-radius:8px;padding:10px 16px;background:var(--accent);color:white;text-decoration:none;cursor:pointer}.recording-result 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