:root{color-scheme:dark;--bg: #0b0b10;--panel: #12121a;--ink: #f3f1ea;--muted: #aeaab8;--faint: #8b8796;--line: #2c2c3a;--accent: #ff5d73;--accent-2: #7c9cff;--danger: #ffb3c0;--mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;--sans: "Avenir Next", "Segoe UI", system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);overflow:hidden}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{opacity:.38;cursor:not-allowed}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:var(--accent);color:#1a0b10}.app{height:100dvh;display:flex;flex-direction:column;min-height:0;background:radial-gradient(900px 240px at 10% -10%,rgba(255,93,115,.16),transparent 60%),var(--bg)}.app-header{display:flex;align-items:center;gap:12px;min-height:58px;padding:8px 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iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0;background:#07070b}.float-label,.preview-error{position:absolute;z-index:2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.float-label{top:10px;left:10px;padding:5px 10px;border-radius:999px;border:1px solid var(--line);background:#0a0a10b8}.float-label[data-phase=error]{color:var(--danger);border-color:#ff5d7373}.preview-error{left:12px;right:12px;bottom:12px;margin:0;padding:10px 12px;border-radius:10px;background:#280a10eb;color:var(--danger);font-family:var(--mono);font-size:12px}.timeline{display:none;width:280px;flex-direction:column;gap:8px;padding:14px;overflow:auto;border-right:1px solid var(--line);background:#0e0e15}.stage[data-view=timeline] .timeline{display:flex}.stage[data-view=timeline] .editor,.stage[data-view=preview] .editor,.stage[data-view=code] .preview-wrap{display:none}.timeline 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