:root{--bg: #0f1115;--surface: #171a21;--surface-2: #1f232c;--border: #2a2f3a;--text: #f2f4f8;--text-muted: #9aa3b2;--accent: #5b8cff;--accent-hover: #4a7bf0;--success: #2d8b5f;--danger: #e5484d;--radius: 12px;--radius-sm: 8px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--shadow: 0 4px 20px rgba(0,0,0,.35);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}h1,h2,h3{margin:0 0 var(--space-3)}.btn{background:var(--accent);color:#fff;border:none;cursor:pointer;padding:10px 16px;border-radius:var(--radius-sm);font-size:15px;font-weight:600}.btn:hover{background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;border:1px solid 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