*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0d0f14;--surface:#161b25;--border:#252d3d;--text:#e8eaf0;--muted:#7a849a;--accent:#4f80ff;--green:#22c55e;--red:#ef4444;--radius:12px}body,html{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.5;min-height:100dvh}a{color:inherit;text-decoration:none}input,select,textarea{background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);font:inherit;padding:.75rem 1rem;width:100%;outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent)}button{background:var(--accent);border:none;border-radius:8px;color:#fff;cursor:pointer;font:inherit;font-weight:600;padding:.75rem 1.5rem;transition:opacity .15s;touch-action:manipulation;min-height:48px}button:disabled{opacity:.45;cursor:not-allowed}button:not(:disabled):active{opacity:.8}.container{max-width:680px;margin:0 auto;padding:0 1rem}