:root{--bg: #0f172a;--bg2: #1e293b;--bg3: #334155;--card: #1e293b;--border: #334155;--text: #f1f5f9;--muted: #94a3b8;--primary: #6366f1;--primary-hover: #818cf8;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--radius: 10px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);line-height:1.45}a{color:var(--primary-hover);text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid transparent;background:var(--primary);color:#fff;cursor:pointer;font-weight:600;transition:.15s}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn-ghost:hover{background:var(--bg3)}.btn-sm{padding:4px 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