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var(--border);background:var(--bg-panel-2)}.playground-subtab{background:transparent;color:var(--text-dim);border:1px solid var(--border-strong);padding:.35rem .7rem;border-radius:999px;cursor:pointer;font-size:.78rem;font-weight:600}.playground-subtab.active{background:var(--accent-soft);color:var(--accent-strong);border-color:var(--accent)}.playground-subtab.locked{opacity:.5;cursor:not-allowed}.playground-stage{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;overflow:hidden}@container (max-width: 720px){.playground-content{flex-direction:column}}:root,:root[data-theme=dark]{--bg: #0b1020;--bg-elevated: #10162a;--bg-panel: #141b32;--bg-panel-2: #182140;--border: #232c4a;--border-strong: #2f3a5e;--text: #f5f8fc;--text-dim: #a7b3cc;--text-faint: #6b7594;--accent: #38bdf8;--accent-strong: #7cd4fb;--accent-soft: rgba(56, 189, 248, .16);--violet: #8b5cf6;--violet-soft: rgba(139, 92, 246, .18);--success: #4ade80;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, Menlo, monospace;color-scheme:dark}@media (prefers-color-scheme: light){:root:not([data-theme=dark]){--bg: #f4f6fb;--bg-elevated: #ffffff;--bg-panel: #ffffff;--bg-panel-2: #eef1f8;--border: #dde2ee;--border-strong: #c7cee2;--text: #131a2c;--text-dim: #4d5875;--text-faint: #8a93ab;--accent: #0891b2;--accent-strong: #0e7490;--accent-soft: rgba(8, 145, 178, .12);--violet: #7c3aed;--violet-soft: rgba(124, 58, 237, .12);--shadow-sm: 0 1px 2px rgba(20, 30, 60, .08);--shadow-md: 0 8px 24px rgba(20, 30, 60, .12);color-scheme:light}}:root[data-theme=light]{--bg: #f4f6fb;--bg-elevated: #ffffff;--bg-panel: #ffffff;--bg-panel-2: #eef1f8;--border: #dde2ee;--border-strong: #c7cee2;--text: #131a2c;--text-dim: #4d5875;--text-faint: #8a93ab;--accent: #0891b2;--accent-strong: #0e7490;--accent-soft: rgba(8, 145, 178, .12);--violet: #7c3aed;--violet-soft: rgba(124, 58, 237, .12);--shadow-sm: 0 1px 2px rgba(20, 30, 60, .08);--shadow-md: 0 8px 24px rgba(20, 30, 60, .12);color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px;border:2px solid transparent;background-clip:padding-box}.badge{display:inline-flex;align-items:center;gap:.3em;padding:.15rem .55rem;border-radius:999px;font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border:1px solid transparent}.badge-ready{background:var(--accent-soft);color:var(--accent-strong);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.badge-soon{background:var(--bg-panel-2);color:var(--text-faint);border-color:var(--border)}.badge-new{background:var(--violet-soft);color:var(--violet);border-color:color-mix(in srgb,var(--violet) 40%,transparent)}.badge-locked{background:var(--bg-panel-2);color:var(--text-faint);border-color:var(--border)}.card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.chip{display:inline-flex;align-items:center;padding:.3rem .55rem;border-radius:8px;background:var(--bg-panel-2);border:1px solid var(--border-strong);font-family:var(--font-mono);font-size:.88rem;transition:transform .25s ease,background .25s ease,border-color .25s ease}.chip.merged{background:color-mix(in srgb,var(--accent) 28%,var(--bg-panel-2));border-color:var(--accent);animation:pop .35s ease}.chip.end{color:var(--text-faint);font-style:italic}@keyframes pop{0%{transform:scale(1.25)}to{transform:scale(1)}}.app-root{height:100vh;display:flex;flex-direction:column}.app-body{flex:1;min-height:0;overflow:auto}