/* ============================================
   ERP 财务管理系统 - 现代侧边栏主题
   科技蓝色系 | PingFang SC / Microsoft YaHei
   ============================================ */

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    /* 主色 */
    --primary:        #3b82f6;
    --primary-light:  #60a5fa;
    --primary-dark:   #2563eb;
    --primary-bg:     #eff6ff;

    /* 侧边栏 */
    --sidebar-width:      240px;
    --sidebar-bg:         #1a1f36;
    --sidebar-hover:      rgba(59, 130, 246, 0.15);
    --sidebar-active:     rgba(59, 130, 246, 0.25);
    --sidebar-text:       #94a3b8;
    --sidebar-text-active:#ffffff;
    --sidebar-border:     rgba(255, 255, 255, 0.06);

    /* 顶栏 */
    --topbar-height: 60px;
    --topbar-bg:     #ffffff;
    --topbar-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);

    /* 内容 */
    --content-bg:    #f0f2f5;

    /* 卡片 */
    --card-radius:   12px;
    --card-shadow:   0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);

    /* 圆角 */
    --radius-sm:  6px;
    --radius-md:  8px;
    --radius-lg:  12px;
    --radius-xl:  16px;

    /* 过渡 */
    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--content-bg);
    color: #1e293b;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ---------- 侧边栏 ---------- */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, width 0.3s ease;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}
.sidebar::-webkit-scrollbar-track {
    background: transparent;
}
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

/* 侧边栏品牌 */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.brand-icon {
    font-size: 24px;
    color: var(--primary-light);
}

.brand-text {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

/* 菜单区域 */
.sidebar-menu {
    padding: 12px 0;
    flex: 1;
}

/* 分类标题 */
.sidebar-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px 6px;
    font-size: 11px;
    font-weight: 600;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 1px;
    user-select: none;
}

.sidebar-section-title i {
    font-size: 13px;
    color: #475569;
}

/* 菜单链接通用 */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 400;
    transition: all var(--transition);
    border-left: 3px solid transparent;
    position: relative;
    cursor: pointer;
    user-select: none;
}

.sidebar-link i:first-child {
    font-size: 17px;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-link:hover {
    background: var(--sidebar-hover);
    color: #cbd5e1;
    border-left-color: var(--primary-light);
}

.sidebar-link.active {
    background: var(--sidebar-active);
    color: var(--sidebar-text-active);
    border-left-color: var(--primary);
    font-weight: 600;
}

/* 带子菜单的箭头 */
.submenu-arrow {
    margin-left: auto;
    font-size: 12px;
    transition: transform 0.25s ease;
}

.submenu-arrow.rotated {
    transform: rotate(180deg);
}

/* 子菜单容器 */
.sidebar-submenu {
    padding: 2px 0 2px 0;
}

.sidebar-submenu .sidebar-link {
    padding-left: 50px;
    font-size: 13px;
    border-left-color: transparent;
}

.sidebar-submenu .sidebar-link i:first-child {
    font-size: 14px;
    width: 18px;
}

.sidebar-submenu .sidebar-link.active {
    border-left-color: var(--primary);
}

/* ---------- 遮罩层（移动端） ---------- */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1035;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* ---------- 右侧主区域 ---------- */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease;
}

/* 折叠状态 */
.sidebar-collapsed .sidebar {
    width: 0;
    transform: translateX(-100%);
}

.sidebar-collapsed .main-content {
    margin-left: 0;
}

/* ---------- 顶部栏 ---------- */
.topbar {
    height: var(--topbar-height);
    background: var(--topbar-bg);
    box-shadow: var(--topbar-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 1020;
    flex-shrink: 0;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-toggle {
    color: #475569;
    padding: 4px 8px;
    text-decoration: none;
    border: none;
    line-height: 1;
}

.sidebar-toggle:hover {
    color: var(--primary);
}

.topbar-title {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}

.topbar-right {
    display: flex;
    align-items: center;
}

.topbar-user-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #475569;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    border: none;
    font-size: 13px;
}

.topbar-user-btn:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

.topbar-avatar {
    font-size: 24px;
    color: var(--primary);
    display: flex;
    align-items: center;
}

.topbar-user-name {
    font-weight: 600;
    color: #1e293b;
}

.topbar-user-role {
    font-size: 11px;
    color: #94a3b8;
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 10px;
}

.topbar-dropdown {
    min-width: 160px;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 6px;
}

.topbar-dropdown .dropdown-item {
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 13px;
    color: #475569;
    transition: all var(--transition);
}

.topbar-dropdown .dropdown-item:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

.topbar-dropdown .dropdown-divider {
    margin: 4px 0;
}

/* ---------- 内容包裹区 ---------- */
.content-wrapper {
    flex: 1;
    padding: 24px;
}

/* ---------- 未登录页面 ---------- */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1f36 0%, #0f172a 50%, #1e3a5f 100%);
    padding: 20px;
}

.auth-wrapper .container {
    max-width: 460px;
    width: 100%;
}

/* ---------- 卡片 ---------- */
.card {
    border: none;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    background: #ffffff;
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card-header {
    background: #ffffff;
    border-bottom: 1px solid #f1f5f9;
    border-radius: var(--card-radius) var(--card-radius) 0 0;
    padding: 16px 20px;
    font-weight: 600;
    font-size: 15px;
    color: #1e293b;
}

.card-body {
    padding: 20px;
}

.card-footer {
    background: #fafbfc;
    border-top: 1px solid #f1f5f9;
    border-radius: 0 0 var(--card-radius) var(--card-radius);
    padding: 14px 20px;
}

/* ---------- 表格 ---------- */
.table {
    font-size: 13.5px;
    color: #334155;
    margin-bottom: 0;
}

.table thead th {
    background: #f8fafc;
    border-bottom: 2px solid #e2e8f0;
    color: #475569;
    font-weight: 600;
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    white-space: nowrap;
}

.table tbody td {
    padding: 11px 16px;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
}

.table tbody tr:nth-child(even) {
    background: #fafbfc;
}

.table tbody tr:hover {
    background: var(--primary-bg);
    transition: background var(--transition);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: #fafbfc;
}

.table-striped tbody tr:nth-of-type(even) {
    background-color: #ffffff;
}

.table-hover tbody tr:hover {
    background-color: var(--primary-bg) !important;
}

/* 表格容器 */
.table-responsive {
    border-radius: var(--card-radius);
    overflow: hidden;
}

.table-responsive .table {
    margin-bottom: 0;
}

/* ---------- 按钮 ---------- */
.btn {
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 13px;
    padding: 8px 18px;
    transition: all var(--transition);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #f1f5f9;
    border-color: #e2e8f0;
    color: #475569;
}

.btn-secondary:hover {
    background: #e2e8f0;
    border-color: #cbd5e1;
    color: #334155;
}

.btn-success {
    background: #10b981;
    border-color: #10b981;
    color: #ffffff;
}

.btn-success:hover {
    background: #059669;
    border-color: #059669;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.btn-danger {
    background: #ef4444;
    border-color: #ef4444;
    color: #ffffff;
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.35);
}

.btn-warning {
    background: #f59e0b;
    border-color: #f59e0b;
    color: #ffffff;
}

.btn-warning:hover {
    background: #d97706;
    border-color: #d97706;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.btn-info {
    background: #06b6d4;
    border-color: #06b6d4;
    color: #ffffff;
}

.btn-info:hover {
    background: #0891b2;
    border-color: #0891b2;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.35);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 12px 28px;
    font-size: 15px;
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

/* ---------- 表单 ---------- */
.form-control,
.form-select {
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 9px 14px;
    font-size: 13.5px;
    color: #1e293b;
    background: #ffffff;
    transition: all var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    outline: none;
}

.form-control::placeholder {
    color: #94a3b8;
}

.form-label {
    font-weight: 500;
    font-size: 13px;
    color: #475569;
    margin-bottom: 6px;
}

.form-text {
    font-size: 12px;
    color: #94a3b8;
}

.input-group-text {
    background: #f8fafc;
    border-color: #e2e8f0;
    color: #64748b;
    font-size: 13px;
    border-radius: var(--radius-md);
}

/* ---------- Badge ---------- */
.badge {
    font-size: 11.5px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: 0.3px;
}

.badge.bg-primary,
.badge.bg-success,
.badge.bg-danger,
.badge.bg-warning,
.badge.bg-info,
.badge.bg-secondary {
    color: #ffffff;
}

/* ---------- Alert ---------- */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 13.5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border-left: 4px solid #10b981;
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border-left: 4px solid #f59e0b;
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border-left: 4px solid #3b82f6;
}

/* ---------- 分页 ---------- */
.pagination {
    gap: 4px;
}

.page-link {
    border: 1px solid #e2e8f0;
    color: #475569;
    font-size: 13px;
    padding: 7px 13px;
    border-radius: var(--radius-md) !important;
    margin: 0 2px;
    transition: all var(--transition);
    background: #ffffff;
}

.page-link:hover {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
}

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

.page-item.disabled .page-link {
    background: #f1f5f9;
    color: #94a3b8;
    border-color: #e2e8f0;
}

/* ---------- Jumbotron / Hero ---------- */
.jumbotron {
    background: #ffffff;
    border-radius: var(--card-radius);
    padding: 24px;
    box-shadow: var(--card-shadow);
    border: none;
    margin-bottom: 24px;
}

/* ---------- 图表容器 ---------- */
.chart-container {
    position: relative;
    height: 400px;
    margin: 20px 0;
}

/* ---------- 下拉菜单（全局覆盖） ---------- */
.dropdown-menu {
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 6px;
    animation: dropdownFadeIn 0.2s ease-out;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 13px;
    color: #475569;
    transition: all var(--transition);
}

.dropdown-item:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

/* ---------- 模态框 ---------- */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.modal-header {
    border-bottom: 1px solid #f1f5f9;
    padding: 18px 24px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid #f1f5f9;
    padding: 14px 24px;
}

/* ---------- 列表组 ---------- */
.list-group-item {
    border-color: #f1f5f9;
    padding: 12px 18px;
    transition: background var(--transition);
}

.list-group-item:hover {
    background: #fafbfc;
}

/* ---------- 工具类 ---------- */
.text-primary   { color: var(--primary) !important; }
.bg-primary-light { background: var(--primary-bg) !important; }

/* 统计卡片 */
.stat-card {
    border: none;
    border-radius: var(--card-radius);
    padding: 20px;
    transition: all 0.25s ease;
    cursor: default;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.stat-card .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 12.5px;
    color: #94a3b8;
    font-weight: 500;
}

/* ---------- 页脚间距 ---------- */
.content-wrapper > .container-fluid,
.content-wrapper > .container {
    padding-bottom: 40px;
}

/* ---------- 响应式 ---------- */

/* 平板 */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .content-wrapper {
        padding: 16px;
    }

    .topbar {
        padding: 0 16px;
    }

    .topbar-user-name,
    .topbar-user-role {
        display: none;
    }

    .topbar-user-btn .bi-chevron-down {
        display: none;
    }
}

/* 手机 */
@media (max-width: 575.98px) {
    .content-wrapper {
        padding: 12px;
    }

    .topbar-title {
        font-size: 14px;
    }

    .card-body {
        padding: 14px;
    }

    .btn {
        padding: 7px 14px;
        font-size: 12.5px;
    }

    .table {
        font-size: 12.5px;
    }

    .table thead th,
    .table tbody td {
        padding: 8px 10px;
    }

    .chart-container {
        height: 280px;
    }

    .jumbotron {
        padding: 16px;
    }

    .pagination {
        flex-wrap: wrap;
    }
}

/* ---------- 滚动条（全局） ---------- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ---------- 选中文字样式 ---------- */
::selection {
    background: var(--primary);
    color: #ffffff;
}