/* ================================================================
   DBT Diary Card - Authentication Styles
   ================================================================ */

/* ----------------------------------------------------------------
   Auth Page Layout
   ---------------------------------------------------------------- */
.auth-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.auth-container {
    width: 100%;
    max-width: 360px;
}

/* ----------------------------------------------------------------
   Auth Card
   ---------------------------------------------------------------- */
.auth-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    position: relative;
}

/* ----------------------------------------------------------------
   Auth Header
   ---------------------------------------------------------------- */
.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-header h1 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.auth-subtitle {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ----------------------------------------------------------------
   Auth Forms
   ---------------------------------------------------------------- */
.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-form h2 {
    text-align: center;
    color: var(--color-bg-dark);
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.form-description {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* ----------------------------------------------------------------
   Form Elements
   ---------------------------------------------------------------- */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.field-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 12px;
    color: var(--color-text-lighter);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    font-weight: normal;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.checkbox-label span {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.text-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* ----------------------------------------------------------------
   Button Styles
   ---------------------------------------------------------------- */
.btn-full-width {
    width: 100%;
}

/* ----------------------------------------------------------------
   Form Footer
   ---------------------------------------------------------------- */
.form-footer {
    text-align: center;
    margin-top: var(--spacing-md);
}

.form-footer .text-link {
    font-size: var(--font-size-sm);
}

/* ----------------------------------------------------------------
   Auth Divider
   ---------------------------------------------------------------- */
.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--color-text-lighter);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

.auth-divider span {
    padding: 0 var(--spacing-md);
}

/* ----------------------------------------------------------------
   Loading Indicator
   ---------------------------------------------------------------- */
.auth-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.auth-loading.hidden {
    display: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.auth-loading p {
    margin-top: var(--spacing-md);
    color: var(--color-text-light);
    font-weight: 600;
}

/* ----------------------------------------------------------------
   Messages
   ---------------------------------------------------------------- */
.auth-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-message.hidden {
    display: none;
}

.auth-message.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.auth-message.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.auth-message p {
    margin: 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* ----------------------------------------------------------------
   Auth Footer
   ---------------------------------------------------------------- */
.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-white);
}

.auth-footer p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.crisis-info {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.crisis-info a {
    color: var(--color-white);
    text-decoration: underline;
    font-weight: 700;
}

.disclaimer-text {
    font-size: 12px;
    opacity: 0.8;
    font-style: italic;
}

/* ----------------------------------------------------------------
   Responsive Design
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
    .auth-page {
        padding: var(--spacing-sm);
    }

    .auth-card {
        padding: var(--spacing-lg);
    }

    .auth-header h1 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: var(--spacing-md);
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }
}