/* ========== CSS Variables ========== */
:root {
    --sidebar-width: 240px;
    --sidebar-collapsed-width: 64px;
    --header-height: 56px;
    --primary: #2d6cf6;
    --primary-light: #5a8df7;
    --primary-dark: #1a4fc4;
    --primary-bg: #eef3fe;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --sidebar-text: #94a3b8;
    --sidebar-active-text: #ffffff;
    --header-bg: #ffffff;
    --content-bg: #f0f2f5;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== Reset & Base ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--content-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
}

a { text-decoration: none; color: inherit; }
input, button { outline: none; border: none; font-family: inherit; }
i { font-style: normal; }

/* ========== Sidebar ========== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    overflow: hidden;
    box-shadow: 2px 0 8px rgba(0,0,0,0.1);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    flex-shrink: 0;
}

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

.logo i {
    font-size: 28px;
    color: var(--primary-light);
    background: linear-gradient(135deg, var(--primary), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    transition: var(--transition);
}

.sidebar.collapsed .logo-text { opacity: 0; width: 0; }

/* Navigation */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
    scrollbar-width: thin;
}

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

.nav-section-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 16px 20px 6px;
    color: rgba(148, 163, 184, 0.5);
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition);
}

.sidebar.collapsed .nav-section-title { opacity: 0; height: 0; padding: 0; overflow: hidden; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--sidebar-text);
    border-radius: 0;
    transition: var(--transition);
    border-left: 3px solid transparent;
    white-space: nowrap;
    font-size: 14px;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-active-text);
}

.nav-item.active {
    background: rgba(45, 108, 246, 0.15);
    color: var(--sidebar-active-text);
    border-left-color: var(--primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    flex-shrink: 0;
}

.sidebar.collapsed .nav-item span { opacity: 0; width: 0; overflow: hidden; }

/* Sub-menu */
.sub-menu {
    display: none;
    background: rgba(0,0,0,0.15);
}

.sub-menu .nav-item {
    padding-left: 48px;
    font-size: 13px;
}

.sub-menu .nav-item.active {
    border-left-color: var(--primary);
    background: rgba(45, 108, 246, 0.1);
}

.has-sub {
    position: relative;
    cursor: pointer;
}

.sub-arrow {
    margin-left: auto;
    font-size: 10px !important;
    transition: transform 0.3s;
    width: auto !important;
    text-align: right !important;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 12px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
    flex-shrink: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--sidebar-text);
}

.user-info i { font-size: 20px; }

.sidebar.collapsed .user-info span { opacity: 0; width: 0; overflow: hidden; }

/* ========== Main Wrapper ========== */
.main-wrapper {
    margin-left: var(--sidebar-width);
    height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.sidebar.collapsed ~ .main-wrapper,
.sidebar.collapsed + .main-wrapper {
    margin-left: var(--sidebar-collapsed-width);
}

/* ========== Top Header ========== */
.top-header {
    height: var(--header-height);
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

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

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.role-switch {
    display: flex;
    background: #f1f5f9;
    border-radius: 8px;
    padding: 3px;
    border: 1px solid var(--border-color);
}

.role-btn {
    padding: 6px 20px;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.role-btn.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(45, 108, 246, 0.3);
}

.toggle-btn {
    background: none;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: var(--transition);
}

.toggle-btn:hover {
    background: var(--content-bg);
    color: var(--primary);
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-search {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--content-bg);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.header-search:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(45, 108, 246, 0.1);
}

.header-search i { color: var(--text-muted); font-size: 14px; }
.header-search input {
    background: none;
    font-size: 13px;
    width: 180px;
    color: var(--text-primary);
}
.header-search input::placeholder { color: var(--text-muted); }

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

.notification-badge {
    position: relative;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.notification-badge:hover { color: var(--primary); }

.badge {
    position: absolute;
    top: -6px;
    right: -8px;
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 5px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
}

.fullscreen-btn {
    font-size: 16px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.fullscreen-btn:hover { color: var(--primary); }

/* ========== Content Area ========== */
.content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    background: var(--content-bg);
}

.content::-webkit-scrollbar { width: 6px; }
.content::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
.content::-webkit-scrollbar-track { background: transparent; }

/* ========== Page Container ========== */
.page-container {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page-container.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== Dashboard ========== */

/* Architecture Banner */
.arch-banner {
    background: linear-gradient(135deg, #1e293b 0%, #1a4fc4 50%, #2d6cf6 100%);
    border-radius: var(--radius-lg);
    padding: 32px 40px;
    color: #fff;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.arch-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}

.arch-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: 60%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
}

.arch-banner h1 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

.arch-banner .subtitle {
    font-size: 14px;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.arch-banner .tagline {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    position: relative;
    z-index: 1;
}

.arch-banner .tagline span {
    font-size: 12px;
    padding: 4px 14px;
    background: rgba(255,255,255,0.12);
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: default;
}

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

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 12px;
}

.stat-card .stat-icon.blue { background: var(--primary-bg); color: var(--primary); }
.stat-card .stat-icon.green { background: #ecfdf5; color: #10b981; }
.stat-card .stat-icon.orange { background: #fff7ed; color: #f97316; }
.stat-card .stat-icon.purple { background: #f0f0ff; color: #7c3aed; }

.stat-card .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.stat-card .stat-trend {
    font-size: 12px;
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
}

.stat-card .stat-trend.up { background: #ecfdf5; color: #10b981; }
.stat-card .stat-trend.down { background: #fef2f2; color: #ef4444; }

/* Architecture Diagram */
.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title i {
    color: var(--primary);
}

.arch-diagram {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

/* Core Capabilities */
.core-capabilities {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.cap-card {
    background: linear-gradient(135deg, var(--primary-bg), #dbeafe);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    border: 1px solid rgba(45, 108, 246, 0.1);
    transition: var(--transition);
}

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

.cap-card i {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 8px;
}

.cap-card h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

/* OMS Core Functions Grid */
.core-functions {
    position: relative;
    background: #f8fafc;
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.core-functions-header {
    text-align: center;
    margin-bottom: 20px;
}

.core-functions-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.func-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.func-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 18px 14px;
    text-align: center;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.func-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(45, 108, 246, 0.15);
    transform: translateY(-2px);
}

.func-card .func-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 10px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: var(--primary-bg);
    color: var(--primary);
}

.func-card h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.func-card p {
    font-size: 11px;
    color: var(--text-muted);
}

/* Side bars for Config Platform & Smart Strategy */
.func-wrapper {
    display: grid;
    grid-template-columns: 200px 1fr 200px;
    gap: 16px;
    margin-bottom: 24px;
}

.func-sidebar {
    background: linear-gradient(180deg, #1e40af, #3b82f6);
    border-radius: var(--radius);
    padding: 20px;
    color: #fff;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.func-sidebar i {
    font-size: 32px;
    margin-bottom: 8px;
}

.func-sidebar h4 {
    font-size: 14px;
    font-weight: 600;
}

.func-sidebar p {
    font-size: 11px;
    opacity: 0.8;
    margin-top: 4px;
}

/* Engines Row */
.engines-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.engine-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.engine-card .engine-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.engine-card .engine-header i {
    font-size: 22px;
    color: var(--primary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    border-radius: var(--radius);
}

.engine-card .engine-header h4 {
    font-size: 15px;
    font-weight: 600;
}

.engine-sub-items {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

.engine-sub-item {
    background: #f8fafc;
    border-radius: 6px;
    padding: 10px 8px;
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: default;
}

.engine-sub-item:hover {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
}

/* Extensions */
.extensions-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.extensions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.ext-card {
    text-align: center;
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.ext-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(45, 108, 246, 0.12);
    transform: translateY(-2px);
}

.ext-card i {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 10px;
}

.ext-card h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.ext-card p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ========== 系统核心能力（数据版） ========== */
.capabilities-data {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

.cap-data-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 18px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    gap: 14px;
}

.cap-data-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.cap-data-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.cap-data-icon.blue { background: var(--primary-bg); color: var(--primary); }
.cap-data-icon.green { background: #ecfdf5; color: #10b981; }
.cap-data-icon.orange { background: #fff7ed; color: #f97316; }
.cap-data-icon.purple { background: #f0f0ff; color: #7c3aed; }

.cap-data-body {
    flex: 1;
    min-width: 0;
}

.cap-data-body h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.cap-data-stats {
    display: flex;
    gap: 12px;
}

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

.cap-stat-value {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.cap-stat-label {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ========== OMS 核心功能（数据卡片版） ========== */
.func-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.func-metric-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.func-metric-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(45, 108, 246, 0.12);
    transform: translateY(-2px);
}

.func-metric-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.func-metric-header i {
    font-size: 18px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    border-radius: 6px;
}

.func-metric-header h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.func-metric-body {
    display: grid;
    gap: 6px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    padding: 3px 0;
}

.metric-val {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.metric-val.warning { color: #d97706; }
.metric-val.success { color: #059669; }
.metric-val.danger { color: #dc2626; }

/* ========== 引擎与配置策略并排 ========== */
.engine-full-row {
    display: flex;
    gap: 14px;
    margin-bottom: 24px;
    align-items: stretch;
}

.engine-sidebar {
    width: 140px;
    border-radius: var(--radius);
    padding: 18px 14px;
    color: #fff;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.engine-sidebar i {
    font-size: 28px;
    margin-bottom: 8px;
}

.engine-sidebar h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
}

.engine-sidebar-data {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.engine-sidebar-data div {
    text-align: center;
}

.engine-sidebar-data .val {
    display: block;
    font-size: 18px;
    font-weight: 700;
}

.engine-sidebar-data .lbl {
    display: block;
    font-size: 9px;
    opacity: 0.75;
    margin-top: 2px;
}

/* ========== Detail Pages ========== */
.page-panel {
    animation: fadeIn 0.3s ease;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.page-body {
    display: grid;
    gap: 20px;
}

.info-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.info-card .card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.info-card .card-title i {
    color: var(--primary);
}

/* Table style */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
    background: #f8fafc;
}

.data-table td {
    padding: 12px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tr:hover td {
    background: #f8fafc;
}

.status-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-tag.success { background: #ecfdf5; color: #059669; }
.status-tag.warning { background: #fffbeb; color: #d97706; }
.status-tag.danger { background: #fef2f2; color: #dc2626; }
.status-tag.info { background: var(--primary-bg); color: var(--primary); }
.status-tag.orange { background: #fff7ed; color: #ea580c; }

/* Action buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(45, 108, 246, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary-bg);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

/* ========== Config Platform Page ========== */
.config-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.config-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: #f8fafc;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

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

.config-item i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border-radius: 8px;
    color: var(--primary);
    font-size: 16px;
}

.config-item .config-info h4 { font-size: 13px; font-weight: 600; }
.config-item .config-info p { font-size: 11px; color: var(--text-muted); }

/* ========== Strategy Page ========== */
.strategy-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.strategy-card {
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    transition: var(--transition);
}

.strategy-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.strategy-card .strategy-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.strategy-card .strategy-header i {
    font-size: 24px;
    color: var(--primary);
}

.strategy-card .strategy-header h4 { font-size: 14px; font-weight: 600; }

.strategy-card p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* ========== Extension Detailed ========== */
.ext-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.ext-detail-card {
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    text-align: center;
    background: var(--card-bg);
    transition: var(--transition);
}

.ext-detail-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.ext-detail-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 12px;
}

.ext-detail-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.ext-detail-card p { font-size: 13px; color: var(--text-secondary); }

/* ========== Responsive ========== */
@media (max-width: 1200px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .stats-row-6 { grid-template-columns: repeat(3, 1fr) !important; }
    .core-capabilities { grid-template-columns: repeat(2, 1fr); }
    .func-grid { grid-template-columns: repeat(2, 1fr); }
    .func-wrapper { grid-template-columns: 1fr; }
    .extensions-grid { grid-template-columns: repeat(2, 1fr); }
    .config-grid { grid-template-columns: 1fr; }
    .strategy-cards { grid-template-columns: 1fr; }
    .ext-detail-grid { grid-template-columns: 1fr; }
    .capabilities-data { grid-template-columns: repeat(2, 1fr); }
    .func-metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .engine-full-row { flex-direction: column; }
    .engine-sidebar { width: 100%; flex-direction: row; gap: 16px; padding: 14px 20px; }
    .engine-sidebar i { margin-bottom: 0; }
    .engine-sidebar h4 { margin-bottom: 0; }
}

@media (max-width: 768px) {
    .sidebar {
        left: calc(-1 * var(--sidebar-width));
    }
    .sidebar.mobile-open {
        left: 0;
    }
    .main-wrapper {
        margin-left: 0 !important;
    }
    .stats-row { grid-template-columns: 1fr !important; }
    .core-capabilities { grid-template-columns: 1fr; }
    .func-grid { grid-template-columns: 1fr; }
    .engines-row { grid-template-columns: 1fr; }
    .engine-sub-items { grid-template-columns: 1fr; }
    .extensions-grid { grid-template-columns: 1fr; }
    .header-search { display: none; }
    .page-title { font-size: 15px; }
    .content { padding: 16px; }
    .arch-banner { padding: 20px; }
    .arch-banner h1 { font-size: 20px; }
    .arch-banner .tagline { flex-wrap: wrap; gap: 8px; }
    .capabilities-data { grid-template-columns: 1fr; }
    .cap-data-card { flex-direction: column; align-items: center; text-align: center; }
    .func-metrics-grid { grid-template-columns: 1fr; }
    .engine-full-row { flex-direction: column; }
    .engine-sidebar { width: 100%; flex-direction: row; gap: 12px; padding: 12px 16px; flex-wrap: wrap; justify-content: center; }
    .engine-sidebar i { margin-bottom: 0; }
    .engine-sidebar h4 { margin-bottom: 0; }
}