/* ===========================================================================
 * admin v7 CSS - 专业、美观、易用 (7/10 03:54 Kog 拍)
 * 外部 CSS, 不动 index.html 的 inline 业务 CSS
 * 通过 !important + 高优先级覆盖, 不影响原 page-section / form / table 渲染
 * =========================================================================== */

/* === 1. 字体升级 === */
* {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === 2. 主色调统一 === */
:root {
    --v7-primary: #1677ff;        /* Ant Design 5 标准蓝 */
    --v7-primary-hover: #4096ff;
    --v7-success: #52c41a;
    --v7-warning: #faad14;
    --v7-danger: #ff4d4f;
    --v7-bg: #f5f7fa;
    --v7-card-bg: #ffffff;
    --v7-border: #e5e7eb;
    --v7-text: #1f2937;
    --v7-text-secondary: #6b7280;
    --v7-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --v7-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --v7-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
    --v7-radius: 8px;
    --v7-radius-sm: 6px;
    --v7-radius-lg: 12px;
    --v7-sidebar-width: 220px;
    --v7-topbar-height: 56px;
    --v7-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === 3. body / 全局 === */
body {
    background: var(--v7-bg) !important;
    color: var(--v7-text) !important;
    font-size: 14px !important;
}

/* === 4. 侧边栏升级 === */
.sidebar {
    width: var(--v7-sidebar-width) !important;
    background: linear-gradient(180deg, #001529 0%, #002140 100%) !important;
    box-shadow: var(--v7-shadow-lg) !important;
    transition: var(--v7-transition);
}
.sidebar h1 {
    font-size: 15px !important;
    padding: 20px 16px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    letter-spacing: 0.3px;
    background: rgba(255, 255, 255, 0.02);
}
.sidebar h2 {
    color: rgba(255, 255, 255, 0.45) !important;
    font-size: 11px !important;
    padding: 16px 16px 8px !important;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.nav-item {
    padding: 11px 16px !important;
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: 13.5px !important;
    transition: var(--v7-transition);
    border-left: 3px solid transparent !important;
    position: relative;
}
.nav-item:hover {
    background: rgba(22, 119, 255, 0.1) !important;
    color: #fff !important;
    border-left-color: rgba(22, 119, 255, 0.5) !important;
}
.nav-item.active {
    background: linear-gradient(90deg, rgba(22, 119, 255, 0.15) 0%, transparent 100%) !important;
    color: #fff !important;
    border-left-color: var(--v7-primary) !important;
    font-weight: 500;
}

/* === 5. 主区域 === */
.main {
    margin-left: var(--v7-sidebar-width) !important;
    padding: calc(var(--v7-topbar-height) + 16px) 24px 24px !important;
}

/* === 6. 顶栏 === */
.v7-topbar {
    position: fixed;
    top: 0;
    left: var(--v7-sidebar-width);
    right: 0;
    height: var(--v7-topbar-height);
    background: var(--v7-card-bg);
    border-bottom: 1px solid var(--v7-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    box-shadow: var(--v7-shadow-sm);
    z-index: 100;
    gap: 16px;
}
.v7-topbar-logo {
    font-weight: 600;
    color: var(--v7-text);
    font-size: 15px;
    margin-right: 24px;
}
.v7-breadcrumb {
    color: var(--v7-text-secondary);
    font-size: 13px;
    flex: 1;
}
.v7-breadcrumb .v7-crumb-current {
    color: var(--v7-text);
    font-weight: 500;
}
.v7-search {
    flex: 0 1 320px;
    position: relative;
}
.v7-search input {
    width: 100%;
    padding: 7px 12px 7px 36px;
    border: 1px solid var(--v7-border);
    border-radius: var(--v7-radius);
    font-size: 13px;
    background: var(--v7-bg);
    transition: var(--v7-transition);
}
.v7-search input:focus {
    outline: none;
    border-color: var(--v7-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}
.v7-search::before {
    content: "🔍";
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    opacity: 0.5;
}
.v7-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--v7-radius);
    background: var(--v7-bg);
    cursor: pointer;
    transition: var(--v7-transition);
}
.v7-user:hover {
    background: var(--v7-border);
}
.v7-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--v7-primary), var(--v7-primary-hover));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
}
.v7-user-name {
    font-size: 13px;
    color: var(--v7-text);
}
.v7-clock {
    color: var(--v7-text-secondary);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

/* === 7. 卡片 === */
.card {
    background: var(--v7-card-bg) !important;
    border-radius: var(--v7-radius) !important;
    padding: 24px !important;
    margin-bottom: 20px !important;
    box-shadow: var(--v7-shadow) !important;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: var(--v7-transition);
}
.card:hover {
    box-shadow: var(--v7-shadow-lg) !important;
}
.card-title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--v7-text) !important;
    margin-bottom: 20px !important;
    padding-bottom: 14px !important;
    border-bottom: 1px solid var(--v7-border) !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* === 8. KPI 卡片 (新增) === */
.v7-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.v7-kpi-card {
    background: linear-gradient(135deg, #fff 0%, #fafbfc 100%);
    border-radius: var(--v7-radius);
    padding: 20px;
    box-shadow: var(--v7-shadow);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
    transition: var(--v7-transition);
}
.v7-kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--v7-shadow-lg);
}
.v7-kpi-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--v7-primary);
}
.v7-kpi-card.success::before { background: var(--v7-success); }
.v7-kpi-card.warning::before { background: var(--v7-warning); }
.v7-kpi-card.danger::before { background: var(--v7-danger); }

.v7-kpi-label {
    color: var(--v7-text-secondary);
    font-size: 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.v7-kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--v7-text);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}
.v7-kpi-unit {
    font-size: 14px;
    color: var(--v7-text-secondary);
    margin-left: 4px;
    font-weight: 400;
}
.v7-kpi-trend {
    margin-top: 8px;
    font-size: 11px;
    color: var(--v7-text-secondary);
}
.v7-kpi-trend.up { color: var(--v7-success); }
.v7-kpi-trend.down { color: var(--v7-danger); }

/* === 9. 表单 === */
.form-group input,
.form-group textarea,
.form-group select {
    width: 100% !important;
    padding: 9px 12px !important;
    border: 1px solid var(--v7-border) !important;
    border-radius: var(--v7-radius-sm) !important;
    font-size: 13.5px !important;
    background: #fff !important;
    transition: var(--v7-transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none !important;
    border-color: var(--v7-primary) !important;
    box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1) !important;
}
.form-group label {
    color: var(--v7-text) !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    margin-bottom: 6px !important;
}

/* === 10. 按钮 === */
.btn {
    padding: 8px 18px !important;
    border: none !important;
    border-radius: var(--v7-radius-sm) !important;
    font-size: 13.5px !important;
    cursor: pointer !important;
    transition: var(--v7-transition);
    font-weight: 500 !important;
}
.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--v7-shadow);
}
.btn:active {
    transform: translateY(0);
}
.btn-primary {
    background: var(--v7-primary) !important;
    color: #fff !important;
}
.btn-primary:hover {
    background: var(--v7-primary-hover) !important;
}
.btn-success { background: var(--v7-success) !important; color: #fff !important; }
.btn-warning { background: var(--v7-warning) !important; color: #fff !important; }
.btn-danger { background: var(--v7-danger) !important; color: #fff !important; }

/* === 11. 表格 === */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    border-radius: var(--v7-radius);
    overflow: hidden;
    box-shadow: var(--v7-shadow-sm);
}
table thead th {
    background: #fafbfc;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--v7-text-secondary);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 1px solid var(--v7-border);
}
table tbody td {
    padding: 12px 16px;
    font-size: 13.5px;
    color: var(--v7-text);
    border-bottom: 1px solid var(--v7-border);
}
table tbody tr {
    transition: var(--v7-transition);
}
table tbody tr:hover {
    background: #f6f9ff;
}
table tbody tr:last-child td {
    border-bottom: none;
}

/* === 12. 空状态 === */
.empty, .v7-empty {
    padding: 48px 24px !important;
    text-align: center;
    color: var(--v7-text-secondary);
}
.v7-empty-icon {
    font-size: 48px;
    opacity: 0.3;
    margin-bottom: 12px;
    display: block;
}

/* === 13. Loading Skeleton === */
.v7-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: v7-shimmer 1.5s infinite;
    border-radius: var(--v7-radius-sm);
    height: 16px;
    margin-bottom: 8px;
}
@keyframes v7-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* === 14. Toast === */
.v7-toast {
    position: fixed;
    top: 80px;
    right: 24px;
    background: var(--v7-card-bg);
    border-radius: var(--v7-radius);
    box-shadow: var(--v7-shadow-lg);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 240px;
    max-width: 400px;
    z-index: 9999;
    animation: v7-slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid var(--v7-primary);
}
.v7-toast.success { border-left-color: var(--v7-success); }
.v7-toast.error { border-left-color: var(--v7-danger); }
.v7-toast.warning { border-left-color: var(--v7-warning); }
.v7-toast-icon {
    font-size: 18px;
}
.v7-toast-msg {
    flex: 1;
    font-size: 13.5px;
    color: var(--v7-text);
}
@keyframes v7-slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes v7-slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* === 15. 响应式 === */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.v7-open {
        transform: translateX(0);
    }
    .main {
        margin-left: 0 !important;
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
    .v7-topbar {
        left: 0 !important;
    }
    .v7-search {
        flex: 0 1 200px;
    }
}
@media (max-width: 768px) {
    .v7-search {
        display: none;
    }
    .v7-clock {
        display: none;
    }
}

/* === 16. 软件列表卡片升级 === */
.software-list {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
    gap: 16px !important;
}
.software-item, .software-card {
    transition: var(--v7-transition);
    border-radius: var(--v7-radius) !important;
    overflow: hidden;
}
.software-item:hover, .software-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--v7-shadow-lg) !important;
}

/* === 17. Modal 升级 === */
.modal-box {
    border-radius: var(--v7-radius-lg) !important;
    box-shadow: var(--v7-shadow-lg) !important;
    border: none !important;
}
.modal-box h2 {
    font-size: 18px !important;
    color: var(--v7-text) !important;
    font-weight: 600 !important;
    margin-bottom: 20px !important;
}

/* === 18. badge / status === */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
}
.badge-primary { background: rgba(22, 119, 255, 0.1); color: var(--v7-primary); }
.badge-success { background: rgba(82, 196, 26, 0.1); color: var(--v7-success); }
.badge-warning { background: rgba(250, 173, 20, 0.1); color: var(--v7-warning); }
.badge-danger { background: rgba(255, 77, 79, 0.1); color: var(--v7-danger); }

/* === 19. Chart 容器 === */
.v7-chart {
    width: 100%;
    height: 320px;
    margin-top: 16px;
}

/* === 20. Hamburger (mobile) === */
.v7-hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    color: var(--v7-text);
}
@media (max-width: 1024px) {
    .v7-hamburger {
        display: inline-block;
    }
}