/* ══════════════════════════════════════════════════════════
   Auth — Login / Register
   ══════════════════════════════════════════════════════════ */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    animation: pulse 6s ease-in-out infinite;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 440px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    z-index: 1;
    animation: scaleIn 0.4s ease;
}

.auth-logo {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-2xl);
    color: white;
    margin: 0 auto var(--space-lg);
}

.auth-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.auth-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xl);
}

.auth-form .form-group {
    margin-bottom: var(--space-md);
}

.auth-form .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: var(--font-size-md);
    margin-top: var(--space-md);
}

.auth-switch {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.auth-switch a {
    color: var(--accent-start);
    font-weight: 600;
    cursor: pointer;
}

.auth-switch a:hover {
    color: var(--accent-end);
}

.auth-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
    text-align: center;
}