/* ========================================
   律师工具箱 - 布局样式（侧边栏模式）
   ======================================== */

/* ===== 整体布局 ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: 240px;
    min-height: 100vh;
    background-color: var(--primary-dark);
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 200;
    transition: transform var(--transition-normal);
}

/* 侧边栏Logo */
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-md);
    font-size: var(--text-lg);
    font-weight: 700;
    color: #FFFFFF;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.sidebar-logo:hover {
    text-decoration: none;
    color: #FFFFFF;
}

.sidebar-logo-icon {
    font-size: 1.5rem;
}

/* 侧边栏菜单 */
.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm) 0;
}

/* 菜单分组标题 */
.sidebar-group-label {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
    font-size: var(--text-xs);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 菜单项 */
.sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: 0;
    cursor: pointer;
    position: relative;
}

.sidebar-item:hover {
    color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.08);
    text-decoration: none;
    padding-left: calc(var(--spacing-md) + 4px);
}

.sidebar-item.active {
    color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.12);
    border-right: 3px solid #FFFFFF;
}

.sidebar-item-icon {
    font-size: 1.125rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-item-text {
    flex: 1;
}

.sidebar-item-badge {
    font-size: var(--text-xs);
    padding: 1px 6px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
}

/* 子菜单 */
.sidebar-submenu {
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--transition-normal);
}

.sidebar-submenu.open {
    max-height: 500px;
}

.sidebar-submenu .sidebar-item {
    padding-left: var(--spacing-xl);
    font-size: var(--text-sm);
}

.sidebar-submenu .sidebar-item::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

.sidebar-submenu .sidebar-item.active::before {
    background-color: #FFFFFF;
}

/* 展开箭头 */
.sidebar-item-arrow {
    font-size: var(--text-xs);
    transition: transform var(--transition-fast);
    color: rgba(255, 255, 255, 0.4);
}

.sidebar-item-arrow.open {
    transform: rotate(90deg);
}

/* 侧边栏底部 */
.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.sidebar-footer-text {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.3);
    text-align: center;
    line-height: var(--leading-relaxed);
}

/* ===== 移动端遮罩 ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 150;
}

.sidebar-overlay.active {
    display: block;
}

/* ===== 移动端顶栏 ===== */
.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-sm) var(--spacing-md);
    align-items: center;
    justify-content: space-between;
}

.mobile-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.mobile-header-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.mobile-menu-btn:hover {
    background-color: var(--bg-hover);
}

/* ===== 主内容区 ===== */
.content-area {
    flex: 1;
    margin-left: 240px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-main);
}

/* 内容头部 */
.content-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    animation: fadeIn 0.3s ease both;
}

.content-header-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.content-header-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.content-header-subtitle {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* 内容主体 */
.content-body {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
    animation: fadeInUp 0.4s ease 0.1s both;
}

/* 内容底部 */
.content-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    flex-shrink: 0;
}

.content-footer-text {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

/* ===== 旧样式覆盖（兼容） ===== */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 隐藏旧的header和footer */
.header { display: none; }
.footer { display: none; }

/* main区域适配 */
.main {
    flex: 1;
    padding: 0;
}

.main-content {
    max-width: 100%;
    margin: 0;
}

/* ===== 页面标题区 ===== */
.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* ===== Hero 区域 ===== */
.hero {
    text-align: center;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.hero-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    max-width: 500px;
    margin: 0 auto;
}

/* ===== 分类区域 ===== */
.category-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.category-section {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    animation: fadeInUp 0.5s ease both;
    transition: box-shadow var(--transition-normal);
}

.category-section:hover {
    box-shadow: var(--shadow-lg);
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--divider);
}

.category-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.category-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.category-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0;
}

.category-desc {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.category-section .tools-grid {
    padding: var(--spacing-md);
    gap: var(--spacing-md);
}

.category-section .tool-card {
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.category-section .tool-card:hover {
    box-shadow: var(--shadow-md);
}

/* 即将上线区域 */
.category-coming-soon {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
}

.coming-soon-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-hover);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border);
    color: var(--text-muted);
    font-size: var(--text-xs);
}

.coming-soon-icon {
    font-size: 1rem;
}

/* ===== 容器 ===== */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0;
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }

/* ===== 网格布局 ===== */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

/* ===== Flex布局 ===== */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* ===== 间距工具 ===== */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* ===== 统计卡片 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: fadeInUp 0.4s ease both;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-card-icon {
    font-size: 1.75rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-hover);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.stat-card:hover .stat-card-icon {
    transform: scale(1.1);
}

.stat-card-info {
    display: flex;
    flex-direction: column;
}

.stat-card-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ===== 侧边栏disabled项 ===== */
.sidebar-item.disabled {
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

@media (min-width: 769px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    /* 移动端：侧边栏隐藏，显示顶栏 */
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .mobile-header {
        display: flex;
    }

    .content-area {
        margin-left: 0;
    }

    .content-header {
        display: none;
    }

    .content-body {
        padding: var(--spacing-md);
    }

    .tools-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
}

@media (min-width: 769px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .tools-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .tools-grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1280px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .tools-grid-4 { grid-template-columns: repeat(4, 1fr); }
}