/* ========================================================================
   维保管理系统 - 现代设计系统
   ======================================================================== */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);

    --success: #10b981;
    --success-dark: #059669;
    --success-light: #d1fae5;

    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fef3c7;

    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #fee2e2;

    --info: #3b82f6;
    --info-dark: #2563eb;
    --info-light: #dbeafe;

    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    --sidebar-bg: #0f172a;
    --sidebar-hover: rgba(255,255,255,0.05);
    --sidebar-active: #2563eb;
    --sidebar-text: #94a3b8;
    --sidebar-text-hover: #f1f5f9;

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --shadow-sm: 0 1px 2px 0 rgb(15 23 42 / 0.04);
    --shadow: 0 1px 3px 0 rgb(15 23 42 / 0.08), 0 1px 2px -1px rgb(15 23 42 / 0.06);
    --shadow-md: 0 4px 6px -1px rgb(15 23 42 / 0.08), 0 2px 4px -2px rgb(15 23 42 / 0.06);
    --shadow-lg: 0 10px 15px -3px rgb(15 23 42 / 0.08), 0 4px 6px -4px rgb(15 23 42 / 0.06);
    --shadow-xl: 0 20px 25px -5px rgb(15 23 42 / 0.08), 0 8px 10px -6px rgb(15 23 42 / 0.06);

    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* 布局 */
.container {
    display: flex;
    min-height: 100vh;
}

/* ========================================================================
   头部
   ======================================================================== */
.header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background-color: rgba(255,255,255,0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    height: 64px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.3px;
}

.logo i {
    color: var(--primary);
    margin-right: 8px;
    font-size: 20px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.4;
}

.user-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 13px;
}

.user-role {
    font-size: 11px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    gap: 5px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--gray-100);
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--gray-600);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================================================
   侧边栏
   ======================================================================== */
.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    position: sticky;
    top: 64px;
    height: calc(100vh - 64px);
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.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;
}

.nav {
    padding: 12px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    margin: 2px 10px;
    color: var(--sidebar-text);
    transition: var(--transition);
    text-decoration: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text-hover);
    text-decoration: none;
}

.nav-item.active {
    background: var(--sidebar-active);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
    text-decoration: none;
}

.nav-icon {
    margin-right: 12px;
    width: 20px;
    text-align: center;
    font-size: 15px;
}

.nav-text {
    font-size: 13px;
}

/* ========================================================================
   主内容区
   ======================================================================== */
.main-content {
    flex: 1;
    padding: 28px 32px;
    overflow-y: auto;
    min-width: 0;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.5px;
}

.page-actions {
    display: flex;
    gap: 10px;
}

/* ========================================================================
   统计卡片
   ======================================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    transition: var(--transition);
}

.stat-card:hover .stat-icon {
    transform: scale(1.08);
}

.stat-icon-blue { background: var(--primary-light); color: var(--primary-dark); }
.stat-icon-green { background: var(--success-light); color: var(--success-dark); }
.stat-icon-yellow { background: var(--warning-light); color: var(--warning-dark); }
.stat-icon-orange { background: #fff7ed; color: #c2410c; }
.stat-icon-red { background: var(--danger-light); color: var(--danger-dark); }
.stat-icon-purple { background: #f3e8ff; color: #7c3aed; }
.stat-icon-teal { background: #ccfbf1; color: #0f766e; }
.stat-icon-indigo { background: #e0e7ff; color: #4338ca; }

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-label {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 6px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.stat-value.success { color: var(--success-dark); }
.stat-value.danger { color: var(--danger-dark); }

/* ========================================================================
   卡片
   ======================================================================== */
.card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.card-header h2 {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h2 i {
    color: var(--primary);
    font-size: 14px;
}

.card-body {
    padding: 24px;
}

/* ========================================================================
   表格
   ======================================================================== */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius);
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13px;
}

.table thead th {
    background: var(--gray-50);
    color: var(--gray-600);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}

.table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    vertical-align: middle;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ========================================================================
   按钮
   ======================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-bounce);
    background: transparent;
    line-height: 1.4;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    color: #fff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-success {
    background: var(--success);
    color: #fff;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: var(--success-dark);
    color: #fff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: var(--danger-dark);
    color: #fff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-warning {
    background: var(--warning);
    color: #fff;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    background: var(--warning-dark);
    color: #fff;
}

.btn-info {
    background: var(--info);
    color: #fff;
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

.btn-info:hover {
    background: var(--info-dark);
    color: #fff;
}

.btn-outline {
    background: #fff;
    border-color: var(--gray-300);
    color: var(--gray-600);
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--gray-800);
    box-shadow: var(--shadow);
}

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

.btn-block {
    display: flex;
    width: 100%;
}

/* ========================================================================
   表单
   ======================================================================== */
.form {
    max-width: 600px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-checkbox input {
    width: auto;
    margin: 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 13px;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--gray-800);
    background: #fff;
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
}

/* ========================================================================
   徽章
   ======================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    line-height: 1.4;
}

.badge-primary { background: var(--primary-light); color: var(--primary-dark); }
.badge-success { background: var(--success-light); color: var(--success-dark); }
.badge-danger { background: var(--danger-light); color: var(--danger-dark); }
.badge-warning { background: var(--warning-light); color: var(--warning-dark); }
.badge-info { background: var(--info-light); color: var(--info-dark); }
.badge-secondary { background: var(--gray-100); color: var(--gray-600); }

/* ========================================================================
   警告信息
   ======================================================================== */
.alert {
    padding: 14px 18px;
    margin-bottom: 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
}

.alert-error {
    background: var(--danger-light);
    border-color: #fecaca;
    color: var(--danger-dark);
}

.alert-success {
    background: var(--success-light);
    border-color: #a7f3d0;
    color: var(--success-dark);
}

/* ========================================================================
   筛选栏
   ======================================================================== */
.filter-bar {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: flex-end;
}

.filter-form .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 160px;
}

.filter-form .btn {
    margin-bottom: 0;
}

/* ========================================================================
   详情视图
   ======================================================================== */
.detail-view {
    max-width: 800px;
}

.detail-view h3 {
    font-size: 15px;
    font-weight: 700;
    margin: 28px 0 14px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-800);
}

.detail-view h3:first-child {
    margin-top: 0;
}

.detail-row {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 13px;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    width: 150px;
    font-weight: 600;
    color: var(--gray-500);
    flex-shrink: 0;
}

.detail-value {
    flex: 1;
    color: var(--gray-800);
}

/* ========================================================================
   登录页面
   ======================================================================== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 70%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.login-container {
    background: rgba(255,255,255,0.98);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 400px;
    padding: 40px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(20px);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 26px;
    color: var(--gray-900);
    margin-bottom: 8px;
    font-weight: 800;
}

.login-header p {
    color: var(--gray-500);
    font-size: 13px;
}

.login-form {
    margin-top: 24px;
}

.login-footer {
    text-align: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
}

.login-footer p {
    font-size: 12px;
    color: var(--gray-400);
}

/* ========================================================================
   分页
   ======================================================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
}

.pagination-link {
    padding: 8px 16px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
    font-size: 13px;
    font-weight: 600;
}

.pagination-link:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.pagination-info {
    color: var(--gray-500);
    font-size: 13px;
}

/* ========================================================================
   辅助类
   ======================================================================== */
.text-muted { color: var(--gray-500); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-primary { color: var(--primary); }
.text-center { text-align: center; }
.ml-2 { margin-left: 0.5rem; }

/* ========================================================================
   模态框
   ======================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.5);
    display: none;
    z-index: 1050;
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-dialog {
    max-width: 500px;
    width: 100%;
    margin: 20px;
    animation: modalSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-content {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-800);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--gray-50);
}

.close {
    background: var(--gray-100);
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 10px;
    color: var(--gray-500);
    border-radius: var(--radius-sm);
    line-height: 1;
    transition: var(--transition);
}

.close:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

/* ========================================================================
   空状态
   ======================================================================== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray-400);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
    color: var(--gray-300);
}

.empty-state p {
    font-size: 14px;
}

/* ========================================================================
   响应式设计
   ======================================================================== */
@media (max-width: 1366px) {
    .hide-lg {
        display: none !important;
    }

    .table {
        font-size: 12px;
    }

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

    .filter-form .form-group {
        min-width: 180px;
    }

    .page-header h1 {
        font-size: 20px;
    }
}

@media (max-width: 1024px) {
    .hide-md {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .sidebar {
        position: fixed;
        left: -260px;
        top: 64px;
        height: calc(100vh - 64px);
        z-index: 99;
        width: 260px;
    }

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

    .main-content {
        padding: 16px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .page-actions {
        width: 100%;
    }

    .page-actions .btn {
        flex: 1;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 22px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .table {
        font-size: 12px;
    }

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

    .detail-row {
        flex-direction: column;
    }

    .detail-label {
        width: 100%;
        margin-bottom: 4px;
    }

    .filter-form {
        flex-direction: column;
    }

    .filter-form .form-group {
        width: 100%;
    }

    .login-container {
        margin: 16px;
        padding: 28px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .logo {
        font-size: 16px;
    }

    .user-name {
        display: none;
    }

    .header-content {
        padding: 0 16px;
    }
}

/* ========================================================================
   轻量网格系统
   ======================================================================== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -12px;
}

.col-md-4,
.col-md-8,
.col-6 {
    padding: 0 12px;
    box-sizing: border-box;
}

.col-6 { width: 50%; }
.col-md-4 { width: 33.333%; }
.col-md-8 { width: 66.666%; }

@media (max-width: 768px) {
    .col-md-4,
    .col-md-8 { width: 100%; }
}

/* ========================================================================
   客户详情页
   ======================================================================== */
.info-list {
    display: flex;
    flex-direction: column;
}

.info-item {
    display: flex;
    align-items: flex-start;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
    gap: 12px;
}

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

.info-label {
    width: 80px;
    color: var(--gray-500);
    font-size: 13px;
    flex-shrink: 0;
    padding-top: 1px;
}

.info-value {
    flex: 1;
    color: var(--gray-800);
    font-weight: 500;
    font-size: 14px;
    word-break: break-all;
}

/* 迷你统计 */
.mini-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.mini-stat {
    text-align: center;
    padding: 16px 10px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
}

.mini-stat-value {
    font-size: 22px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.mini-stat-label {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 6px;
    font-weight: 500;
}

/* 合同卡片 */
.contract-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contract-card {
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    padding: 14px;
    background: #fff;
    transition: var(--transition);
}

.contract-card:hover {
    border-color: var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.contract-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    gap: 8px;
}

.contract-card-title {
    font-weight: 700;
    color: var(--gray-800);
    font-size: 14px;
}

.contract-card-meta {
    font-size: 12px;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 2px;
}

.contract-card-footer {
    margin-top: 8px;
    font-size: 12px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.contract-card-footer span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* 月份手风琴 */
.month-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.month-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    transition: var(--transition);
}

.month-item:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-sm);
}

.month-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    cursor: pointer;
    background: #fff;
    transition: var(--transition);
    user-select: none;
    gap: 12px;
}

.month-header:hover {
    background: var(--gray-50);
}

.month-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.month-title {
    font-weight: 700;
    color: var(--gray-800);
    font-size: 15px;
}

.month-badge {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.month-meta {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.month-icon {
    color: var(--gray-400);
    transition: var(--transition);
    font-size: 13px;
    flex-shrink: 0;
}

.month-item.active .month-icon {
    transform: rotate(180deg);
}

.month-body {
    padding: 0 18px 18px;
    display: none;
}

.month-item.active .month-body,
.month-body.show {
    display: block;
}

/* 日志记录 */
.log-entry {
    background: #fff;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.log-entry:hover {
    box-shadow: var(--shadow);
    border-color: var(--gray-200);
}

.log-entry:last-child {
    margin-bottom: 0;
}

.log-entry-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}

.log-entry-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 12px;
    font-size: 12px;
    color: var(--gray-500);
}

.log-entry-meta strong {
    color: var(--gray-800);
    font-size: 13px;
}

.log-entry-content {
    color: var(--gray-700);
    font-size: 13px;
    line-height: 1.7;
    background: var(--gray-50);
    padding: 12px;
    border-radius: var(--radius-sm);
    white-space: pre-wrap;
}

.log-entry-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    font-size: 12px;
    color: var(--gray-500);
    flex-wrap: wrap;
    gap: 6px;
}

/* ========================================================================
   客户卡片网格
   ======================================================================== */
.customer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.customer-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition-bounce);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.customer-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
}

.customer-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.customer-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-light);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.customer-info {
    flex: 1;
    min-width: 0;
}

.customer-name {
    font-weight: 700;
    font-size: 15px;
    color: var(--gray-800);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.customer-name:hover {
    color: var(--primary);
}

.customer-meta {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.customer-meta i {
    margin-right: 4px;
}

.customer-card-body {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 14px;
}

.customer-stat-row {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.customer-stat {
    text-align: center;
    flex: 1;
}

.customer-stat-value {
    font-size: 18px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
}

.customer-stat-label {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 4px;
    font-weight: 500;
}

.customer-stat-divider {
    width: 1px;
    height: 30px;
    background: var(--gray-200);
    flex-shrink: 0;
}

.customer-card-footer {
    display: flex;
    gap: 8px;
}

.customer-card-footer .btn {
    flex: 1;
}

/* ========================================================================
   日志内容展示
   ======================================================================== */
.log-content-box {
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    padding: 20px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-700);
    white-space: pre-wrap;
    word-break: break-word;
    min-height: 120px;
}

/* ========================================================================
   附件列表改进
   ======================================================================== */
.attachment-details {
    flex: 1;
    min-width: 0;
}

.attachment-filename {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 14px;
    text-decoration: none;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.attachment-filename:hover {
    color: var(--primary);
    text-decoration: underline;
}

.attachment-meta {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.meta-divider {
    color: var(--gray-300);
}

/* ========================================================================
   合同卡片网格
   ======================================================================== */
.contract-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 20px;
}

.contract-card-wrap {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition-bounce);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contract-card-wrap:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
}

.contract-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px;
}

.contract-card-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.contract-card-days {
    flex-shrink: 0;
}

.contract-card-main {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contract-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
    line-height: 1.4;
}

.contract-card-title:hover {
    color: var(--primary);
}

.contract-card-customer {
    font-size: 13px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 6px;
}

.contract-card-meta {
    font-size: 12px;
    color: var(--gray-500);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.contract-card-meta i {
    margin-right: 3px;
}

.contract-card-date {
    font-size: 12px;
    color: var(--gray-500);
}

.contract-card-date i {
    margin-right: 4px;
}

.contract-card-amount {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 10px 14px;
    margin-top: 2px;
}

.amount-label {
    font-size: 12px;
    color: var(--gray-500);
}

.amount-value {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
}

.contract-card-users {
    font-size: 12px;
    color: var(--gray-500);
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.contract-card-users i {
    margin-right: 3px;
}

.contract-card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding-top: 10px;
    border-top: 1px solid var(--gray-100);
}

/* ========================================================================
   合同分组
   ======================================================================== */
.contract-group-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contract-group {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.contract-group:hover {
    box-shadow: var(--shadow);
}

.contract-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--gray-50);
    cursor: pointer;
    user-select: none;
    gap: 12px;
    flex-wrap: wrap;
}

.contract-group-header:hover {
    background: var(--gray-100);
}

.contract-group-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-800);
}

.group-toggle-icon {
    font-size: 12px;
    color: var(--gray-400);
    transition: transform 0.2s;
    width: 16px;
    text-align: center;
}

.contract-group.collapsed .group-toggle-icon {
    transform: rotate(-90deg);
}

.contract-group-count {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-500);
    background: var(--gray-200);
    padding: 2px 8px;
    border-radius: 20px;
}

.contract-group-summary {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.contract-group-body {
    padding: 16px 20px 20px;
    transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
}

.contract-group.collapsed .contract-group-body {
    display: none;
}

.contract-group .contract-grid {
    gap: 16px;
}

/* ========================================================================
   合同关联
   ======================================================================== */
.contract-link-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
}

.contract-link-row:last-child {
    border-bottom: none;
}

.contract-link-label {
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.contract-link-value {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
}

.contract-link-value:hover {
    text-decoration: underline;
}

/* ========================================================================
   操作日志时间线
   ======================================================================== */
.log-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.log-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--gray-200);
}

.log-timeline-item {
    display: flex;
    gap: 16px;
    padding: 14px 0;
    position: relative;
}

.log-timeline-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 5px;
    margin-left: 11px;
    position: relative;
    z-index: 1;
    background: var(--gray-400);
}

.log-timeline-dot.badge-success { background: var(--success); }
.log-timeline-dot.badge-primary { background: var(--primary); }
.log-timeline-dot.badge-danger { background: var(--danger); }
.log-timeline-dot.badge-warning { background: var(--warning); }

.log-timeline-content {
    flex: 1;
    min-width: 0;
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 12px 16px;
    border: 1px solid var(--gray-100);
}

.log-timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    flex-wrap: wrap;
    gap: 6px;
}

.log-timeline-time {
    font-size: 12px;
    color: var(--gray-500);
}

.log-timeline-user {
    font-size: 12px;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.log-timeline-detail {
    font-size: 13px;
    color: var(--gray-700);
    line-height: 1.6;
}

.log-timeline-detail code {
    background: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--gray-800);
    border: 1px solid var(--gray-200);
    word-break: break-all;
}

/* ========================================================================
   邮件列表
   ======================================================================== */
.email-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.email-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.email-item:hover {
    background: #fff;
    border-color: var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.email-status {
    font-size: 22px;
    flex-shrink: 0;
}

.email-status.success { color: var(--success); }
.email-status.danger { color: var(--danger); }

.email-content {
    flex: 1;
    min-width: 0;
}

.email-subject {
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-800);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-recipient {
    font-size: 12px;
    color: var(--gray-500);
}

.email-time {
    font-size: 12px;
    color: var(--gray-400);
    flex-shrink: 0;
}

/* ========================================================================
   折叠动画支持
   ======================================================================== */
.collapse {
    display: none;
}

.collapse.show {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}