:root{--bg:#0b0b0d;--card:#16161a;--border:#26262c;--fg:#f2f2f3;--muted:#9a9aa3;--accent:#6d6dff;--danger:#ff6b6b}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.center{min-height:100dvh;display:grid;place-items:center;padding:24px}.card{width:100%;max-width:360px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px}h1{margin:0 0 4px;font-size:28px;letter-spacing:-.02em}.muted{font-size:14px;margin:0 0 20px}.muted,label{color:var(--muted)}label{display:block;font-size:13px;margin-bottom:6px}input{width:100%;background:#0e0e11;border:1px solid var(--border);border-radius:10px;padding:11px 12px;color:var(--fg);font-size:15px;outline:none}input:focus{border-color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;margin-top:14px;padding:11px 12px;border:none;border-radius:10px;background:var(--accent);color:white;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--muted);margin-top:8px}.error{color:var(--danger);margin-top:12px}.error,.hint{font-size:13px}.hint{color:var(--muted);margin:0 0 18px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}