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#0f172a;--bg-elev: #1e293b;--bg-elev-2: #334155;--fg: #f1f5f9;--fg-dim: #94a3b8;--accent: #38bdf8;--accent-strong: #0ea5e9;--danger: #f87171;--success: #4ade80;--border: #334155;--radius: 12px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;padding:0;min-height:100vh}body{font-family:var(--font);background:var(--bg);color:var(--fg);font-size:16px;line-height:1.5}button{font-family:inherit;font-size:1rem;padding:.6rem 1.2rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elev);color:var(--fg);cursor:pointer;transition:background .15s,border-color 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