.auth-gate { position: fixed; inset: 0; background: rgba(15,23,42,0.86); z-index: 2500; display: none; align-items: center; justify-content: center; padding: 16px; }
.auth-gate.open { display: flex; }
.auth-card { width: 100%; max-width: 420px; background: #fff; border-radius: 10px; border: 2px solid var(--blue-light); padding: 24px; box-shadow: 0 10px 30px rgba(0,0,0,0.25); }
.auth-card h3 { margin-bottom: 10px; color: var(--blue-dark); }
.auth-card p { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.4; }
.auth-card .form-group { margin-bottom: 12px; }
#authError { min-height: 16px; color: var(--danger); font-size: 12px; margin-bottom: 8px; }
.btn-google { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 10px 16px; background: #fff; color: #3c4043; border: 1.5px solid #dadce0; border-radius: 6px; font-size: 14px; font-weight: 500; cursor: pointer; transition: background .15s, box-shadow .15s; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.btn-google:hover { background: #f8f9fa; box-shadow: 0 2px 6px rgba(0,0,0,0.15); }
.btn-google svg { width: 18px; height: 18px; flex-shrink: 0; }
.auth-divider { display: flex; align-items: center; gap: 10px; margin: 14px 0; color: var(--text-muted); font-size: 12px; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }