/**
 * ProdBI 认证页面共享样式
 * 用于登录、注册、密码重置等账户相关页面
 */

/* ========================================
   CSS 变量定义
   ======================================== */
:root {
    /* 品牌主色 */
    --prodbi-primary: #2563eb;
    --prodbi-primary-dark: #1d4ed8;
    --prodbi-primary-light: #3b82f6;
    
    /* 渐变色 */
    --prodbi-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --prodbi-gradient-btn: linear-gradient(135deg, var(--prodbi-primary) 0%, #7c3aed 100%);
    
    /* 文字颜色 */
    --prodbi-text-primary: #1e293b;
    --prodbi-text-secondary: #64748b;
    --prodbi-text-muted: #94a3b8;
    
    /* 边框颜色 */
    --prodbi-border: #e2e8f0;
    --prodbi-border-focus: var(--prodbi-primary);
    
    /* 背景颜色 */
    --prodbi-bg-card: #ffffff;
    --prodbi-bg-input: #ffffff;
    
    /* 阴影 */
    --prodbi-shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --prodbi-shadow-btn: 0 10px 20px -10px rgba(37, 99, 235, 0.5);
    --prodbi-shadow-focus: 0 0 0 4px rgba(37, 99, 235, 0.1);
    
    /* 圆角 */
    --prodbi-radius-sm: 8px;
    --prodbi-radius-md: 12px;
    --prodbi-radius-lg: 16px;
}

/* ========================================
   基础重置
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ========================================
   页面布局
   ======================================== */
.auth-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--prodbi-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--prodbi-bg-card);
    border-radius: var(--prodbi-radius-lg);
    box-shadow: var(--prodbi-shadow-card);
    padding: 40px;
}

/* ========================================
   品牌头部
   ======================================== */
.brand-header {
    text-align: center;
    margin-bottom: 32px;
}

.brand-logo {
    width: 64px;
    height: 64px;
    background: var(--prodbi-gradient-btn);
    border-radius: var(--prodbi-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 18px;
    color: white;
    font-weight: bold;
}

.brand-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--prodbi-text-primary);
    margin-bottom: 4px;
}

.brand-subtitle {
    font-size: 14px;
    color: var(--prodbi-text-secondary);
}

/* ========================================
   表单组件
   ======================================== */
.form-floating {
    margin-bottom: 16px;
}

.form-floating > .form-control {
    border: 2px solid var(--prodbi-border);
    border-radius: var(--prodbi-radius-md);
    height: 56px;
    padding: 16px;
    font-size: 16px;
    transition: all 0.2s ease;
    background: var(--prodbi-bg-input);
}

.form-floating > .form-control:focus {
    border-color: var(--prodbi-border-focus);
    box-shadow: var(--prodbi-shadow-focus);
    outline: none;
}

.form-floating > label {
    padding: 16px;
    color: var(--prodbi-text-muted);
}

/* 复选框 */
.form-check {
    margin-bottom: 16px;
}

.form-check-input:checked {
    background-color: var(--prodbi-primary);
    border-color: var(--prodbi-primary);
}

.form-check-label {
    color: var(--prodbi-text-secondary);
    font-size: 14px;
}

/* ========================================
   按钮样式
   ======================================== */
.btn-auth-primary {
    width: 100%;
    height: 52px;
    background: var(--prodbi-gradient-btn);
    border: none;
    border-radius: var(--prodbi-radius-md);
    font-size: 16px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-auth-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--prodbi-shadow-btn);
    color: white;
}

.btn-auth-primary:active {
    transform: translateY(0);
}

.btn-auth-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 次要按钮 */
.btn-auth-secondary {
    width: 100%;
    height: 52px;
    background: transparent;
    border: 2px solid var(--prodbi-border);
    border-radius: var(--prodbi-radius-md);
    font-size: 16px;
    font-weight: 600;
    color: var(--prodbi-text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-auth-secondary:hover {
    border-color: var(--prodbi-primary);
    color: var(--prodbi-primary);
}

/* 危险按钮（拒绝授权等） */
.btn-auth-danger {
    width: 100%;
    height: 52px;
    background: #ef4444;
    border: none;
    border-radius: var(--prodbi-radius-md);
    font-size: 16px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-auth-danger:hover {
    background: #dc2626;
}

/* 按钮组 */
.btn-group-auth {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-group-auth .btn-auth-primary,
.btn-group-auth .btn-auth-secondary,
.btn-group-auth .btn-auth-danger {
    flex: 1;
}

/* ========================================
   提示框
   ======================================== */
.alert {
    border-radius: var(--prodbi-radius-md);
    margin-bottom: 20px;
    padding: 16px;
    font-size: 14px;
}

.alert-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
}

.alert-warning {
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #d97706;
}

.alert-info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: var(--prodbi-primary);
}

.alert ul {
    margin: 0;
    padding-left: 20px;
}

.alert ul li {
    margin-bottom: 4px;
}

.alert ul li:last-child {
    margin-bottom: 0;
}

/* ========================================
   页脚链接
   ======================================== */
.footer-links {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--prodbi-text-secondary);
}

.footer-links a {
    color: var(--prodbi-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--prodbi-primary-dark);
    text-decoration: underline;
}

.footer-links .separator {
    margin: 0 8px;
    color: var(--prodbi-border);
}

/* ========================================
   OAuth 授权页面专用
   ======================================== */
.consent-app-info {
    text-align: center;
    padding: 20px;
    background: #f8fafc;
    border-radius: var(--prodbi-radius-md);
    margin-bottom: 24px;
}

.consent-app-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--prodbi-text-primary);
    margin-bottom: 8px;
}

.consent-app-desc {
    font-size: 14px;
    color: var(--prodbi-text-secondary);
}

.consent-scopes {
    margin-bottom: 24px;
}

.consent-scopes-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--prodbi-text-primary);
    margin-bottom: 12px;
}

.consent-scope-item {
    display: flex;
    align-items: center;
    padding: 12px;
    background: #f8fafc;
    border-radius: var(--prodbi-radius-sm);
    margin-bottom: 8px;
}

.consent-scope-item:last-child {
    margin-bottom: 0;
}

.consent-scope-icon {
    width: 32px;
    height: 32px;
    background: var(--prodbi-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    font-size: 14px;
    color: white;
}

.consent-scope-name {
    font-size: 14px;
    color: var(--prodbi-text-primary);
}

/* ========================================
   已登录用户欢迎区域
   ======================================== */
.user-welcome {
    display: flex;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--prodbi-radius-md);
    margin-bottom: 24px;
}

.user-avatar {
    width: 56px;
    height: 56px;
    background: var(--prodbi-gradient-btn);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 600;
    color: white;
    margin-right: 16px;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-greeting {
    font-size: 13px;
    color: var(--prodbi-text-secondary);
    margin-bottom: 2px;
}

.user-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--prodbi-text-primary);
}

/* ========================================
   账户管理页面专用
   ======================================== */
.manage-section {
    margin-bottom: 32px;
}

.manage-section:last-child {
    margin-bottom: 0;
}

.manage-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--prodbi-text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--prodbi-border);
}

.manage-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

.manage-info-item:last-child {
    border-bottom: none;
}

.manage-info-label {
    font-size: 14px;
    color: var(--prodbi-text-secondary);
}

.manage-info-value {
    font-size: 14px;
    color: var(--prodbi-text-primary);
    font-weight: 500;
}

/* ========================================
   响应式布局
   ======================================== */
@media (max-width: 480px) {
    .auth-card {
        padding: 24px;
    }
    
    .brand-logo {
        width: 56px;
        height: 56px;
        font-size: 16px;
    }
    
    .brand-title {
        font-size: 20px;
    }
    
    .btn-group-auth {
        flex-direction: column;
    }
}

/* ========================================
   动画效果
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    animation: fadeIn 0.3s ease-out;
}

/* ========================================
   加载状态
   ======================================== */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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