body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg, #f7f8fa); padding: 24px; }
    .auth-card {
      width: 100%; max-width: 420px;
      background: var(--panel, #fff);
      border: 1px solid var(--border, #e5e7eb);
      border-radius: 16px;
      padding: 32px 28px 28px;
      box-shadow: 0 8px 32px rgba(0,0,0,.08);
    }
    .auth-card h1 { font-size: 1.5rem; margin: 0 0 6px; }
    .auth-card p.sub { margin: 0 0 22px; color: var(--text-muted); font-size: .9rem; }
    .auth-card .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
    .auth-card label { display: flex; justify-content: space-between; align-items: center; font-size: .82rem; font-weight: 600; color: var(--text-muted); }
    .auth-card input {
      border: 1px solid var(--border, #e5e7eb);
      border-radius: 10px; padding: 11px 13px; font-size: .95rem; background: var(--bg, #fff); color: var(--text);
    }
    .auth-card input:focus { outline: 2px solid var(--accent, #3b82f6); outline-offset: 1px; border-color: var(--accent, #3b82f6); }
    .auth-card button.primary {
      width: 100%; padding: 12px 14px; margin-top: 6px;
      background: var(--accent, #3b82f6); color: #fff; border: none; border-radius: 10px;
      font-weight: 600; font-size: .95rem; cursor: pointer;
    }
    .auth-card button.primary:disabled { opacity: .6; cursor: wait; }
    .auth-card .switch { margin-top: 16px; text-align: center; font-size: .88rem; color: var(--text-muted); }
    .auth-card .switch a { color: var(--accent, #3b82f6); text-decoration: none; font-weight: 600; }
    .auth-card .err {
      background: rgba(239,68,68,0.08); color: #b91c1c;
      border: 1px solid rgba(239,68,68,0.3); border-radius: 8px;
      padding: 10px 12px; font-size: .85rem; margin-bottom: 14px; display: none;
    }
    .auth-card .ok {
      background: rgba(34,197,94,0.08); color: #15803d;
      border: 1px solid rgba(34,197,94,0.3); border-radius: 8px;
      padding: 10px 12px; font-size: .85rem; margin-bottom: 14px;
    }
    .forgot-link { font-size: .78rem; font-weight: 400; color: var(--accent, #3b82f6); text-decoration: none; }
    .forgot-link:hover { text-decoration: underline; }
    .auth-card button.secondary {
      width: 100%; padding: 10px 14px;
      background: transparent; color: var(--text-muted); border: 1px solid var(--border, #e5e7eb);
      border-radius: 10px; font-size: .9rem; cursor: pointer;
    }
    .auth-card button.secondary:hover { background: var(--bg, #f7f8fa); }
    .brand-row { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
    .brand-row .logo { width: 32px; height: 32px; border-radius: 8px; background: var(--accent, #3b82f6); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
    @media (max-width: 480px) {
      body { padding: 16px; align-items: flex-start; padding-top: 40px; }
      .auth-card { padding: 24px 18px 20px; border-radius: 12px; }
      .auth-card h1 { font-size: 1.3rem; }
    }