*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--surface: #1e293b;--border: #334155;--text: #f1f5f9;--muted: #94a3b8;--accent: #3b82f6;--accent2: #22d3ee;--danger: #ef4444;--success: #22c55e;--warn: #f59e0b;--radius: 12px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;border-radius:var(--radius);padding:.6rem 1.2rem;transition:opacity .15s,background .15s}button:disabled{opacity:.45;cursor:not-allowed}input,select{font-family:inherit;font-size:inherit;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:.5rem .75rem;outline:none;width:100%}input:focus,select:focus{border-color:var(--accent)}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.btn-primary{background:var(--accent);color:#fff;font-weight:600}.btn-primary:hover:not(:disabled){background:#2563eb}.btn-secondary{background:var(--border);color:var(--text)}.btn-secondary:hover:not(:disabled){background:#475569}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-ghost{background:transparent;color:var(--muted);font-size:.875rem;padding:.25rem .5rem}.btn-ghost:hover:not(:disabled){color:var(--text)}label{display:block;font-size:.875rem;color:var(--muted);margin-bottom:.35rem}.error-msg{color:var(--danger);font-size:.875rem;margin-top:.35rem}