/**
 * FitMate - Auth Pages Styles
 * 登录/注册页面专用样式
 */

/* ========================================
   Auth Page Layout
   ======================================== */
.auth-page {
    min-height: 100vh;
    background: var(--background);
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

/* ========================================
   Left Branding Panel
   ======================================== */
.auth-branding {
    background: var(--gradient-primary);
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-branding::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.auth-branding-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.auth-branding .logo {
    margin-bottom: var(--spacing-2xl);
}

.auth-branding .logo-icon {
}

.auth-branding .logo-text {
    color: white;
}

.auth-branding-text {
    margin-bottom: var(--spacing-2xl);
}

.auth-branding-text h1 {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.auth-branding-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    max-width: 400px;
    margin: 0 auto;
}

/* Auth Visual */
.auth-visual {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.auth-visual-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: pulse-ring 3s ease-out infinite;
}

.ring-1 {
    width: 120px;
    height: 120px;
}

.ring-2 {
    width: 160px;
    height: 160px;
    animation-delay: 0.5s;
}

.ring-3 {
    width: 200px;
    height: 200px;
    animation-delay: 1s;
}

@keyframes pulse-ring {
    0% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(0.8);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.auth-visual-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary);
}

/* ========================================
   Right Form Panel
   ======================================== */
.auth-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
}

.auth-form-container {
    width: 100%;
    max-width: 400px;
}

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

.auth-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.auth-header p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    background: var(--background);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: var(--spacing-xl);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.auth-tab.active {
    background: var(--surface);
    color: var(--primary);
    box-shadow: var(--shadow-level1);
}

/* Auth Form */
.auth-form {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-wrapper input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.forgot-link {
    font-size: 14px;
    color: var(--primary);
    text-decoration: none;
}

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

/* Password Input */
.password-input-wrapper {
    position: relative;
}

.password-input-wrapper .form-input {
    padding-right: 44px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

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

/* Code Input */
.code-input-wrapper {
    position: relative;
}

.code-input-wrapper .form-input {
    padding-right: 120px;
}

.code-input-wrapper #sendCodeBtn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    padding: 8px 12px;
    font-size: 14px;
}

/* Auth Divider */
.auth-divider {
    text-align: center;
    margin: var(--spacing-lg) 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    position: relative;
    background: var(--surface);
    padding: 0 var(--spacing-md);
    color: var(--text-muted);
    font-size: 14px;
}

/* Social Login */
.social-login {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.btn-social {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-social:hover {
    background: var(--background);
    border-color: var(--text-muted);
}

.btn-social i {
    font-size: 18px;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
}

.auth-footer p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

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

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 992px) {
    .auth-container {
        grid-template-columns: 1fr;
    }

    .auth-branding {
        display: none;
    }

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