/* ==========================================
   Authentication Pages Styles (Login/Register)
   ========================================== */

body.auth-page {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    display: flex;
    flex-direction: column;
}

/* Auth Header */
body.auth-page header {
    background: transparent;
    box-shadow: none;
}

/* Main Content */
.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

/* ==========================================
   Auth Container (Card)
   ========================================== */
.auth-container {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 420px;
}

.auth-container.register {
    max-width: 480px;
}

.auth-container h2 {
    color: var(--text-dark);
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--gray-600);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 0.9375rem;
}

/* ==========================================
   Auth Links (Switch between login/register)
   ========================================== */
.auth-link {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.auth-link a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-link a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ==========================================
   Password Strength Indicator
   Wrapper only — .strength-bar* rules live in main.css
   ========================================== */
.password-strength {
    margin-top: var(--spacing-sm);
}

/* ==========================================
   Form Validation States
   ========================================== */
.form-group.has-error input {
    border-color: var(--error-text);
}

.form-group.has-success input {
    border-color: var(--success-text);
}

/* ==========================================
   Loading State for Submit Button
   ========================================== */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid var(--white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================
   Responsive Styles
   ========================================== */
@media (max-width: 480px) {
    .auth-main {
        padding: var(--spacing-md);
    }

    .auth-container {
        padding: 1.75rem;
    }

    .auth-container h2 {
        font-size: 1.5rem;
    }
}

.auth-subtitle--error {
    color: var(--error-text);
}

.modal-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-online-count {
    font-size: 0.8rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* ==========================================
   Dark Theme — Auth Pages
   The page background is already a dark gradient,
   so only the white card needs an override.
   ========================================== */

[data-theme="dark"] .auth-container {
    background-color: #16202d;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}