/* ================================
   MifA - 認證樣式表
   ================================ */

/* Auth Container */
.auth-container {
    padding: var(--space-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-header h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.auth-header p {
    font-size: 0.95rem;
    color: var(--text-light);
}

/* Google Sign In Button */
.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.google-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.google-btn img {
    width: 20px;
    height: 20px;
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--space-xl) 0;
}

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

.auth-divider span {
    padding: 0 var(--space-md);
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Auth Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.form-group input {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.form-error {
    font-size: 0.85rem;
    color: var(--error-color);
    margin-top: var(--space-xs);
}

/* Submit Button */
.auth-submit-btn {
    width: 100%;
    padding: var(--space-md);
    background: var(--primary-color);
    color: var(--bg-white);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.auth-submit-btn:hover {
    background: var(--primary-dark);
}

.auth-submit-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    font-size: 0.95rem;
    color: var(--text-medium);
}

.auth-footer a {
    color: var(--primary-color);
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--space-xl);
}

.auth-tab {
    flex: 1;
    padding: var(--space-md);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.auth-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.auth-tab.active {
    color: var(--primary-color);
}

.auth-tab.active::after {
    transform: scaleX(1);
}

/* Password Visibility Toggle */
.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--space-xs);
}

.password-toggle:hover {
    color: var(--text-dark);
}

.password-wrapper input {
    padding-right: 50px;
}

/* Remember Me */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.checkbox-group label {
    font-size: 0.9rem;
    color: var(--text-medium);
}

/* Forgot Password */
.forgot-password {
    font-size: 0.9rem;
    color: var(--primary-color);
    text-align: right;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Loading State */
.auth-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.auth-loading .loading-spinner {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: var(--bg-white);
}

/* Success Message */
.auth-success {
    text-align: center;
    padding: var(--space-xl);
}

.auth-success i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: var(--space-lg);
}

.auth-success h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

.auth-success p {
    font-size: 1rem;
    color: var(--text-medium);
}

/* Error Message */
.auth-error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--error-color);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
    display: none;
}

.auth-error.show {
    display: block;
}

/* Terms Agreement */
.terms-agreement {
    font-size: 0.85rem;
    color: var(--text-light);
    text-align: center;
    margin-top: var(--space-lg);
}

.terms-agreement a {
    color: var(--primary-color);
}

/* Email Auth Form (for frontend) */
.email-auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.email-auth-form .form-group {
    margin-bottom: 0;
}

.email-auth-form input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(192, 168, 117, 0.3);
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.05);
    color: #e8dcc8;
    transition: all 0.3s ease;
}

.email-auth-form input:focus {
    outline: none;
    border-color: #c0a875;
    background: rgba(255, 255, 255, 0.08);
}

.email-auth-form input::placeholder {
    color: #888;
}

.email-auth-form .submit-btn {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, #c0a875 0%, #d4b896 100%);
    color: #1a1a1a;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: var(--space-sm);
}

.email-auth-form .submit-btn:hover {
    background: linear-gradient(135deg, #d4b896 0%, #c0a875 100%);
    transform: translateY(-1px);
}

.email-auth-form .submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-toggle {
    text-align: center;
    margin-top: var(--space-md);
}

.auth-toggle p {
    font-size: 0.9rem;
    color: #888;
}

.auth-toggle a {
    color: #c0a875;
    text-decoration: none;
    font-weight: 500;
}

.auth-toggle a:hover {
    text-decoration: underline;
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--space-lg) 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(192, 168, 117, 0.3);
}

.auth-divider span {
    padding: 0 var(--space-md);
    font-size: 0.85rem;
    color: #888;
}

/* Responsive */
@media (max-width: 480px) {
    .modal-content {
        padding: var(--space-lg);
    }
    
    .auth-header h2 {
        font-size: 1.5rem;
    }
}