/* ========================================
   Auth 页面样式 - 登录/注册
   ======================================== */

/* 导航栏简化 */
.auth-navbar {
    background: transparent;
    border-bottom: none;
}

.auth-navbar .nav-links {
    gap: 16px;
}

/* 主容器 */
.auth-container {
    min-height: calc(100vh - 140px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

/* 认证卡片 */
.auth-card {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    max-width: 1000px;
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* 左侧装饰 */
.auth-decoration {
    background: linear-gradient(135deg, var(--openclaw-primary) 0%, var(--openclaw-primary-dark) 100%);
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-decoration::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.decoration-content {
    position: relative;
    z-index: 1;
    color: white;
}

.decoration-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 24px;
}

.decoration-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.decoration-content p {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.decoration-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.feature-icon {
    font-size: 1.25rem;
}

/* 右侧表单 */
.auth-form-wrapper {
    padding: 48px 40px;
}

/* 标签切换 */
.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    padding: 4px;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.auth-tab {
    flex: 1;
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.auth-tab.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 表单 */
.auth-form {
    animation: fadeIn 0.3s ease;
}

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

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

.form-header {
    text-align: center;
    margin-bottom: 28px;
}

.form-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    font-size: 1rem;
    opacity: 0.6;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-fast);
}

.input-wrapper input:focus {
    border-color: var(--openclaw-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

.toggle-password {
    position: absolute;
    right: 12px;
    background: transparent;
    border: none;
    padding: 4px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.toggle-password:hover {
    opacity: 1;
}

.eye-icon {
    font-size: 1rem;
}

/* 密码强度 */
.password-strength {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.strength-bar {
    flex: 1;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.strength-bar::after {
    content: '';
    display: block;
    height: 100%;
    width: 0;
    background: var(--openclaw-pro);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.strength-bar.weak::after {
    width: 33%;
    background: #ef4444;
}

.strength-bar.medium::after {
    width: 66%;
    background: #f59e0b;
}

.strength-bar.strong::after {
    width: 100%;
    background: #10b981;
}

.strength-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 0.85rem;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
}

.checkbox-wrapper input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checkbox-wrapper input:checked + .checkmark {
    background: var(--openclaw-primary);
    border-color: var(--openclaw-primary);
}

.checkbox-wrapper input:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

.checkbox-wrapper a {
    color: var(--openclaw-primary-light);
    text-decoration: none;
}

.checkbox-wrapper a:hover {
    text-decoration: underline;
}

.forgot-link {
    color: var(--openclaw-primary-light);
    text-decoration: none;
    font-size: 0.85rem;
}

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

/* 提交按钮 */
.btn-auth {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

/* 分隔线 */
.divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

.divider span {
    padding: 0 16px;
}

/* 社交登录 */
.social-login {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-social:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
}

.social-icon {
    font-size: 1.25rem;
}

/* 页脚 */
.auth-footer {
    background: transparent;
    border-top: none;
    padding: 24px;
}

.auth-footer .footer-text {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
    .auth-card {
        grid-template-columns: 1fr;
    }

    .auth-decoration {
        display: none;
    }

    .auth-form-wrapper {
        padding: 32px 24px;
    }

    .social-login {
        grid-template-columns: 1fr;
    }
}

/* 加载动画 */
.btn-auth.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-auth.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 错误提示 */
.form-error {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-error::before {
    content: '⚠️';
}

.input-wrapper.error input {
    border-color: #ef4444;
}

/* 成功提示 */
.form-success {
    color: #10b981;
    font-size: 0.8rem;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-success::before {
    content: '✅';
}