:root{--bg:#f4f5f7;--panel:#fff;--border:#e1e4e8;--text:#1b1f24;--muted:#5b6573;--accent:#2f6fdb;--accent-soft:#e6eefc;--radius:8px;--topbar-h:52px;--filmstrip-w:220px;--chat-w:340px;--inspector-w:300px;color:var(--text);background:var(--bg);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;margin:0}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:6px;padding:6px 12px}button:disabled{cursor:not-allowed;opacity:.5}.app-error{text-align:center;height:100vh;color:var(--muted);place-content:center;justify-items:center;gap:8px;display:grid}.app-error h1{color:var(--text);margin:0;font-size:20px}.element-error{color:#b42318;background:#fef3f2;border:2px dashed #f04438;place-items:center;width:100%;height:100%;font-size:24px;display:grid}.app-loading{height:100vh;color:var(--muted);place-items:center;display:grid}.editor{flex-direction:column;height:100vh;display:flex}.topbar{height:var(--topbar-h);background:var(--panel);border-bottom:1px solid var(--border);flex:none;justify-content:space-between;align-items:center;gap:16px;padding:0 16px;display:flex}.topbar__title{white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.topbar__actions{align-items:center;gap:8px;display:flex}.topbar__sep{background:var(--border);width:1px;height:20px;margin:0 4px}.badge{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:4px 10px;font-size:13px}.editor__body{grid-template-columns:var(--filmstrip-w) 1fr var(--chat-w);flex:1;min-height:0;display:grid}.filmstrip{background:var(--panel);border-right:1px solid 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16px;font-weight:600}.chat__messages{flex-direction:column;flex:1;min-height:0;padding:16px;display:flex;overflow-y:auto}.chat__messages>.empty-state{margin:auto}.chat__examples{flex-direction:column;gap:8px;margin-top:16px;display:flex}.chat__examples button{text-align:left;color:var(--text);padding:8px 10px;font-size:13px;line-height:1.4}.chat__examples button:hover{border-color:var(--accent)}.chat__list{flex-direction:column;gap:8px;display:flex}.chat-msg{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.45}.chat-msg--user{background:var(--accent);color:#fff;border-radius:12px 12px 2px;align-self:flex-end;max-width:85%;padding:8px 12px}.chat-msg--assistant{align-self:flex-start;max-width:95%;padding:2px 0}.chat-msg--error{border-radius:var(--radius);color:#b42318;background:#fef3f2;border:1px solid #fecdca;padding:8px 12px}.chat-msg--notice{color:var(--muted);font-size:13px}.chat-thinking{animation:1.2s ease-in-out infinite 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li+li{margin-top:.4em}.image-element{width:100%;height:100%;display:block}.shape-element{display:block;overflow:visible}.chart-element{width:100%;height:100%}.chart-element__title{align-items:center;font-size:32px;font-weight:600;display:flex}.table-element{border-collapse:collapse;table-layout:fixed;width:100%;height:100%}.table-element th,.table-element td{text-align:left;vertical-align:middle;overflow-wrap:break-word;padding:.4em .6em}.print-deck{display:none}@media print{@page{size:1280px 720px;margin:0}html,body{background:#fff;height:auto}.editor,.app-loading{display:none!important}.print-deck{display:block}.print-slide{break-after:page;width:1280px;height:720px;position:relative;overflow:hidden}.print-slide:last-child{break-after:auto}.print-slide__artboard{transform-origin:0 0;width:1920px;height:1080px;transform:scale(.666667)}.print-deck *{-webkit-print-color-adjust:exact;print-color-adjust:exact}}