:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #273449;--border: #334155;--text: #e2e8f0;--muted: #94a3b8;--primary: #6366f1;--primary-hover: #818cf8;--success: #22c55e;--danger: #ef4444;--warn: #f59e0b;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--bg);color:var(--text)}h1,h2,h3,h4{font-weight:600;margin:0 0 .5rem}a{color:var(--primary-hover)}button{font-family:inherit;cursor:pointer;border:none;border-radius:8px;padding:.5rem 1rem;background:var(--primary);color:#fff;font-size:.9rem;transition:background .15s ease}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}button.secondary:hover:not(:disabled){background:var(--border)}button.danger{background:var(--danger)}input,select{font-family:inherit;background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.5rem .75rem;font-size:.9rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.muted{color:var(--muted)}.row{display:flex;align-items:center;gap:.75rem}.stack{display:flex;flex-direction:column;gap:1rem}.pill{display:inline-block;padding:.15rem .6rem;border-radius:999px;background:var(--surface-2);font-size:.75rem;color:var(--muted)}