:root, [data-theme="light"] {
      --color-bg:               #f4f5f7;
      --color-surface:          #ffffff;
      --color-surface-2:        #f9fafb;
      --color-surface-offset:   #eef0f3;
      --color-border:           rgba(0,0,0,0.08);
      --color-divider:          rgba(0,0,0,0.06);

      --color-text:             #111827;
      --color-text-muted:       #6b7280;
      --color-text-faint:       #9ca3af;
      --color-text-inverse:     #ffffff;

      --color-primary:          #2563eb;
      --color-primary-hover:    #1d4ed8;
      --color-primary-active:   #1e40af;
      --color-primary-tint:     rgba(37,99,235,0.08);
      --color-primary-highlight:rgba(37,99,235,0.12);

      --color-success:          #059669;
      --color-success-tint:     rgba(5,150,105,0.10);
      --color-warning:          #d97706;
      --color-warning-tint:     rgba(217,119,6,0.10);
      --color-danger:           #dc2626;
      --color-danger-tint:      rgba(220,38,38,0.10);
      --color-purple:           #7c3aed;
      --color-purple-tint:      rgba(124,58,237,0.10);

      --sidebar-bg:             #0f1623;
      --sidebar-text:           rgb(255 255 255 / 76%);
      --sidebar-text-active:    #ffffff;
      --sidebar-hover:          rgba(255,255,255,0.06);
      --sidebar-active:         rgba(37,99,235,0.20);
      --sidebar-active-border:  #2563eb;

      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --radius-xl: 18px;
      --radius-full: 9999px;

      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
      --shadow-lg: 0 10px 28px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.05);

      --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.8125rem);
      --text-sm:   clamp(0.8125rem,0.78rem + 0.2vw,  0.875rem);
      --text-base: clamp(0.9375rem,0.9rem  + 0.2vw,  1rem);
      --text-lg:   clamp(1.0625rem,1rem    + 0.35vw, 1.25rem);
      --text-xl:   clamp(1.25rem,  1.1rem  + 0.7vw,  1.5rem);

      --space-1:  0.25rem;
      --space-2:  0.5rem;
      --space-3:  0.75rem;
      --space-4:  1rem;
      --space-5:  1.25rem;
      --space-6:  1.5rem;
      --space-8:  2rem;
      --space-10: 2.5rem;
      --space-12: 3rem;

      --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;

      --header-h: 60px;
      --sidebar-w: 248px;
      --sidebar-collapsed-w: 64px;

      --transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);
    }

    [data-theme="dark"] {
      --color-bg:               #0d1117;
      --color-surface:          #161b22;
      --color-surface-2:        #1c2128;
      --color-surface-offset:   #21262d;
      --color-border:           rgba(255,255,255,0.08);
      --color-divider:          rgba(255,255,255,0.05);

      --color-text:             #e6edf3;
      --color-text-muted:       #7d8590;
      --color-text-faint:       #484f58;
      --color-text-inverse:     #0d1117;

      --color-primary:          #58a6ff;
      --color-primary-hover:    #79beff;
      --color-primary-active:   #a5c9ff;
      --color-primary-tint:     rgba(88,166,255,0.10);
      --color-primary-highlight:rgba(88,166,255,0.14);

      --color-success:          #3fb950;
      --color-success-tint:     rgba(63,185,80,0.10);
      --color-warning:          #d29922;
      --color-warning-tint:     rgba(210,153,34,0.10);
      --color-danger:           #f85149;
      --color-danger-tint:      rgba(248,81,73,0.10);
      --color-purple:           #bc8cff;
      --color-purple-tint:      rgba(188,140,255,0.10);

      --sidebar-bg:             #0d1117;
      --sidebar-text:           rgba(255,255,255,0.50);
      --sidebar-text-active:    #e6edf3;
      --sidebar-hover:          rgba(255,255,255,0.05);
      --sidebar-active:         rgba(88,166,255,0.12);
      --sidebar-active-border:  #58a6ff;

      --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
      --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
      --shadow-lg: 0 10px 28px rgba(0,0,0,0.5);
    }

    /* ===========================
       BASE RESET
    =========================== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; height: 100%; }
    body {
      font-family: var(--font-body);
      font-size: var(--text-sm);
      color: var(--color-text);
      background: var(--color-bg);
      height: 100%;
      overflow: hidden;
    }
    a { text-decoration: none; color: inherit; }
    button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
    table { border-collapse: collapse; width: 100%; }
    img { display: block; max-width: 100%; }
    :focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: var(--radius-sm); }

    /* ===========================
       DASHBOARD GRID
    =========================== */
    .dashboard {
      display: grid;
      grid-template-columns: var(--sidebar-w) 1fr;
      grid-template-rows: var(--header-h) 1fr;
      height: 100dvh;
      transition: grid-template-columns var(--transition);
    }
    .dashboard.collapsed { grid-template-columns: var(--sidebar-collapsed-w) 1fr; }

    /* ===========================
       HEADER
    =========================== */
   .header {
      grid-column: 1 / -1;
      grid-row: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 var(--space-6);
      background: var(--color-surface);
      border-bottom: 1px solid var(--color-border);
      z-index: 100;
    }

    .header-left { display: flex; align-items: center; gap: var(--space-4); }

    /* Logo Image Style */
    .logo-mark {
      display: flex; align-items: center; gap: var(--space-3);
      font-weight: 700;
      font-size: var(--text-base);
      color: var(--color-text);
      letter-spacing: -0.02em;
    }
    .logo-mark img {
      height: 45px;
      width: auto;
      object-fit: contain;
      border-radius: var(--radius-sm);
    }
    .logo-mark span { color: var(--color-primary); }

    .menu-btn {
      width: 36px; height: 36px;
      border-radius: var(--radius-md);
      display: flex; align-items: center; justify-content: center;
      color: var(--color-text-muted);
      transition: background var(--transition), color var(--transition);
    }
    .menu-btn:hover { background: var(--color-surface-offset); color: var(--color-text); }

    /* SVG Logo */
    .logo-mark {
      display: flex; align-items: center; gap: var(--space-2);
      font-weight: 700;
      font-size: var(--text-base);
      color: var(--color-text);
      letter-spacing: -0.02em;
    }
    .logo-mark svg { flex-shrink: 0; }
    .logo-mark span { color: var(--color-primary); }

    .search-bar {
      flex: 1;
      max-width: 380px;
      position: relative;
    }
    .search-bar i {
      position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
      color: var(--color-text-faint); font-size: 13px; pointer-events: none;
    }
    .search-bar input {
      width: 100%; height: 36px;
      background: var(--color-surface-offset);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 0 var(--space-4) 0 var(--space-8);
      font-size: var(--text-sm);
      color: var(--color-text);
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .search-bar input::placeholder { color: var(--color-text-faint); }
    .search-bar input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-tint); }

    .header-right {
      display: flex; align-items: center; gap: var(--space-2);
      flex-shrink: 0;
    }

    .header-icon-btn {
      width: 36px; height: 36px;
      border-radius: var(--radius-md);
      display: flex; align-items: center; justify-content: center;
      color: var(--color-text-muted); font-size: 15px;
      position: relative;
      transition: background var(--transition), color var(--transition);
    }
    .header-icon-btn:hover { background: var(--color-surface-offset); color: var(--color-text); }

    .notif-dot {
      position: absolute; top: 6px; right: 6px;
      width: 8px; height: 8px;
      background: var(--color-danger);
      border-radius: var(--radius-full);
      border: 2px solid var(--color-surface);
    }

    .header-divider { width: 1px; height: 24px; background: var(--color-border); margin: 0 var(--space-1); }

    .user-btn {
      display: flex; align-items: center; gap: var(--space-2);
      padding: var(--space-1) var(--space-2);
      border-radius: var(--radius-md);
      transition: background var(--transition);
    }
    .user-btn:hover { background: var(--color-surface-offset); }

    .user-avatar {
      width: 30px; height: 30px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-purple));
      border-radius: var(--radius-full);
      display: flex; align-items: center; justify-content: center;
      font-size: 11px; font-weight: 700;
      color: #fff;
      flex-shrink: 0;
    }
    .user-meta { line-height: 1.2; }
    .user-name { font-size: var(--text-xs); font-weight: 600; color: var(--color-text); }
    .user-role { font-size: 10px; color: var(--color-text-faint); }

    /* ===========================
       SIDEBAR
    =========================== */
    .sidebar {
      grid-column: 1;
      grid-row: 2;
      background: var(--sidebar-bg);
      border-right: 1px solid rgba(255,255,255,0.06);
      overflow-y: auto; overflow-x: hidden;
      overscroll-behavior: contain;
      padding: var(--space-4) 0;
      display: flex; flex-direction: column;
      transition: all var(--transition);
    }
    .sidebar::-webkit-scrollbar { width: 4px; }
    .sidebar::-webkit-scrollbar-track { background: transparent; }
    .sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.10); border-radius: 2px; }

    .nav-group { margin-bottom: var(--space-1); }

    .nav-label {
      padding: var(--space-3) var(--space-4) var(--space-1);
      font-size: 10px;
      font-weight: 700;
      color: rgba(255,255,255,0.25);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      white-space: nowrap;
      overflow: hidden;
      transition: opacity var(--transition);
    }
    .dashboard.collapsed .nav-label { opacity: 0; pointer-events: none; }

    .nav-item { position: relative; }

    .nav-link {
      display: flex;
      align-items: center;
      gap: var(--space-3);
      padding: 9px var(--space-4);
      color: var(--sidebar-text);
      font-size: var(--text-sm);
      font-weight: 500;
      border-left: 2px solid transparent;
      transition: all var(--transition);
      white-space: nowrap;
      overflow: hidden;
      cursor: pointer;
      user-select: none;
    }
    .nav-link i {
      font-size: 15px;
      width: 18px;
      text-align: center;
      flex-shrink: 0;
      transition: color var(--transition);
    }
    .nav-link .label { flex: 1; transition: opacity var(--transition); }
    .dashboard.collapsed .nav-link .label { opacity: 0; width: 0; pointer-events: none; }

    .nav-link:hover {
      background: var(--sidebar-hover);
      color: var(--sidebar-text-active);
      border-left-color: rgba(255,255,255,0.15);
    }
    .nav-link.active {
      background: var(--sidebar-active);
      color: var(--sidebar-text-active);
      border-left-color: var(--sidebar-active-border);
    }
    .nav-link.active i { color: var(--color-primary); }

    .nav-badge {
      margin-left: auto;
      background: var(--color-danger);
      color: #fff;
      font-size: 10px;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: var(--radius-full);
      flex-shrink: 0;
      transition: opacity var(--transition);
    }
    .dashboard.collapsed .nav-badge { opacity: 0; }

    /* Dropdown nav */
    .nav-chevron {
      font-size: 11px;
      margin-left: auto;
      color: rgba(255,255,255,0.25);
      transition: transform var(--transition), opacity var(--transition);
      flex-shrink: 0;
    }
    .dashboard.collapsed .nav-chevron { opacity: 0; }
    .nav-link.open .nav-chevron { transform: rotate(90deg); }

    .subnav {
      overflow: hidden;
      max-height: 0;
      transition: max-height 0.28s ease;
    }
    .subnav.open { max-height: 600px; }

    .subnav .nav-link {
      padding: 7px var(--space-4) 7px 44px;
      font-size: var(--text-xs);
      color: rgb(255 255 255 / 76%);
      border-left: none;
      position: relative;
    }
    .subnav .nav-link::before {
      content: '';
      position: absolute;
      left: 30px; top: 50%;
      width: 4px; height: 4px;
      border-radius: var(--radius-full);
      background: rgb(255 255 255 / 76%);
      transform: translateY(-50%);
      transition: background var(--transition);
    }
    .subnav .nav-link:hover { color: rgba(255,255,255,0.75); }
    .subnav .nav-link:hover::before { background: var(--color-primary); }
    .subnav .nav-link.active { color: var(--color-primary); }
    .subnav .nav-link.active::before { background: var(--color-primary); }

    .sidebar-bottom {
      margin-top: auto;
      border-top: 1px solid rgba(255,255,255,0.06);
      padding: var(--space-4) 0 var(--space-2);
    }

    /* ===========================
       MAIN CONTENT
    =========================== */
    .main {
      grid-column: 2;
      grid-row: 2;
      overflow-y: auto;
      overscroll-behavior: contain;
      background: var(--color-bg);
    }

    .page-content {
      max-width: 1320px;
      padding: var(--space-8) var(--space-8) var(--space-12);
    }

    /* ===========================
       PAGE HEADER
    =========================== */
    .page-header {
      display: flex; align-items: flex-start; justify-content: space-between;
      margin-bottom: var(--space-8);
      gap: var(--space-4);
      flex-wrap: wrap;
    }
    .page-header-left h1 {
      font-size: var(--text-xl);
      font-weight: 700;
      color: var(--color-text);
      letter-spacing: -0.02em;
      margin-bottom: var(--space-1);
      line-height: 1.2;
    }
    .page-header-left p {
      font-size: var(--text-sm);
      color: var(--color-text-muted);
    }
    .page-header-right {
      display: flex; align-items: center; gap: var(--space-2);
    }

    /* ===========================
       BUTTONS
    =========================== */
    .btn {
      display: inline-flex; align-items: center; gap: var(--space-2);
      padding: 8px 16px;
      border-radius: var(--radius-md);
      font-size: var(--text-sm);
      font-weight: 600;
      transition: all var(--transition);
      cursor: pointer; border: none;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--color-primary);
      color: #fff;
    }
    .btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-sm); }
    .btn-ghost {
      background: transparent;
      color: var(--color-text-muted);
      border: 1px solid var(--color-border);
    }
    .btn-ghost:hover { background: var(--color-surface-offset); color: var(--color-text); }
    .btn-sm { padding: 6px 12px; font-size: var(--text-xs); }

    /* ===========================
       ALERT / INFO BANNER
    =========================== */
    .info-banner {
      display: flex; align-items: flex-start; gap: var(--space-3);
      padding: var(--space-4) var(--space-5);
      background: var(--color-primary-tint);
      border: 1px solid var(--color-primary-highlight);
      border-radius: var(--radius-lg);
      margin-bottom: var(--space-6);
    }
    .info-banner-icon {
      width: 32px; height: 32px; flex-shrink: 0;
      background: var(--color-primary-highlight);
      border-radius: var(--radius-md);
      display: flex; align-items: center; justify-content: center;
      color: var(--color-primary); font-size: 13px;
    }
    .info-banner-body { flex: 1; }
    .info-banner-title { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: 2px; }
    .info-banner-text { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.5; }
    .info-banner-close { color: var(--color-text-faint); font-size: 13px; padding: 4px; border-radius: var(--radius-sm); transition: color var(--transition); }
    .info-banner-close:hover { color: var(--color-text); }

    /* ===========================
       KPI CARDS
    =========================== */
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: var(--space-4);
      margin-bottom: var(--space-6);
    }

    .kpi-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: var(--space-5);
      display: flex; flex-direction: column; gap: var(--space-4);
      transition: box-shadow var(--transition), border-color var(--transition);
      position: relative; overflow: hidden;
    }
    .kpi-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-primary); }

    .kpi-top {
      display: flex; align-items: flex-start; justify-content: space-between;
    }
    .kpi-icon {
      width: 38px; height: 38px;
      border-radius: var(--radius-md);
      display: flex; align-items: center; justify-content: center;
      font-size: 15px; flex-shrink: 0;
    }
    .kpi-icon.blue   { background: var(--color-primary-tint); color: var(--color-primary); }
    .kpi-icon.green  { background: var(--color-success-tint); color: var(--color-success); }
    .kpi-icon.yellow { background: var(--color-warning-tint); color: var(--color-warning); }
    .kpi-icon.purple { background: var(--color-purple-tint);  color: var(--color-purple);  }
    .kpi-icon.red    { background: var(--color-danger-tint);  color: var(--color-danger);  }

    .kpi-trend {
      font-size: var(--text-xs);
      font-weight: 600;
      display: inline-flex; align-items: center; gap: 3px;
      padding: 3px 7px;
      border-radius: var(--radius-full);
    }
    .kpi-trend.up   { background: var(--color-success-tint); color: var(--color-success); }
    .kpi-trend.down { background: var(--color-danger-tint);  color: var(--color-danger);  }
    .kpi-trend.warn { background: var(--color-warning-tint); color: var(--color-warning); }

    .kpi-label {
      font-size: var(--text-xs);
      font-weight: 600;
      color: var(--color-text-muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: var(--space-1);
    }
    .kpi-value {
      font-size: clamp(1.5rem, 1.2rem + 0.8vw, 2rem);
      font-weight: 700;
      color: var(--color-text);
      letter-spacing: -0.03em;
      line-height: 1;
      font-variant-numeric: tabular-nums lining-nums;
    }
    .kpi-sub {
      font-size: var(--text-xs);
      color: var(--color-text-faint);
      margin-top: var(--space-1);
    }

    /* Sparkline bar mini chart */
    .kpi-sparkline {
      display: flex; align-items: flex-end; gap: 3px;
      height: 28px; margin-top: var(--space-1);
    }
    .spark-bar {
      flex: 1;
      border-radius: 3px 3px 0 0;
      background: var(--color-primary-tint);
      transition: background var(--transition);
    }
    .spark-bar.active { background: var(--color-primary); }

    /* ===========================
       TWO-COLUMN GRID
    =========================== */
    .two-col {
      display: grid;
      grid-template-columns: 1fr 340px;
      gap: var(--space-6);
      margin-bottom: var(--space-6);
    }

    /* ===========================
       CARD
    =========================== */
    .card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .card-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: var(--space-5) var(--space-5) 0;
      gap: var(--space-3);
    }
    .card-title {
      display: flex; align-items: center; gap: var(--space-2);
      font-size: var(--text-base);
      font-weight: 700;
      color: var(--color-text);
      letter-spacing: -0.01em;
    }
    .card-title i { color: var(--color-primary); font-size: 14px; }
    .card-body { padding: var(--space-5); }
    .card-body.no-top { padding-top: var(--space-4); }

    /* ===========================
       TABLE
    =========================== */
    .data-table-wrap { overflow-x: auto; }
    .data-table {
      width: 100%; font-size: var(--text-xs);
    }
    .data-table thead th {
      padding: var(--space-3) var(--space-4);
      text-align: left;
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      color: var(--color-text-faint);
      background: var(--color-surface-2);
      border-bottom: 1px solid var(--color-border);
      white-space: nowrap;
    }
    .data-table tbody td {
      padding: var(--space-3) var(--space-4);
      border-bottom: 1px solid var(--color-divider);
      color: var(--color-text-muted);
      vertical-align: middle;
    }
    .data-table tbody tr:last-child td { border-bottom: none; }
    .data-table tbody tr { transition: background var(--transition); }
    .data-table tbody tr:hover { background: var(--color-surface-offset); }

    .cell-icon {
      width: 28px; height: 28px;
      border-radius: var(--radius-sm);
      display: inline-flex; align-items: center; justify-content: center;
      font-size: 12px; margin-right: var(--space-2);
      flex-shrink: 0;
    }
    .cell-type {
      display: inline-flex; align-items: center;
    }
    .cell-name { font-weight: 600; color: var(--color-text); }

    /* ===========================
       BADGES
    =========================== */
    .badge {
      display: inline-flex; align-items: center; gap: 4px;
      padding: 3px 8px;
      border-radius: var(--radius-full);
      font-size: 10px; font-weight: 700;
      white-space: nowrap;
    }
    .badge-success { background: var(--color-success-tint); color: var(--color-success); }
    .badge-primary { background: var(--color-primary-tint); color: var(--color-primary); }
    .badge-warning { background: var(--color-warning-tint); color: var(--color-warning); }
    .badge-danger  { background: var(--color-danger-tint);  color: var(--color-danger);  }
    .badge-purple  { background: var(--color-purple-tint);  color: var(--color-purple);  }

    /* ===========================
       ACTIVITY FEED (right panel)
    =========================== */
    .activity-feed { display: flex; flex-direction: column; gap: 0; }
    .activity-item {
      display: flex; align-items: flex-start; gap: var(--space-3);
      padding: var(--space-3) 0;
      border-bottom: 1px solid var(--color-divider);
    }
    .activity-item:last-child { border-bottom: none; }

    .activity-dot {
      width: 28px; height: 28px;
      border-radius: var(--radius-full);
      display: flex; align-items: center; justify-content: center;
      font-size: 11px; flex-shrink: 0; margin-top: 2px;
    }
    .activity-body { flex: 1; }
    .activity-desc { font-size: var(--text-xs); color: var(--color-text); font-weight: 500; line-height: 1.4; margin-bottom: 3px; }
    .activity-meta { font-size: 10px; color: var(--color-text-faint); }

    /* ===========================
       PERFORMANCE METRICS
    =========================== */
    .perf-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-4);
      margin-bottom: var(--space-6);
    }
    .perf-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: var(--space-5);
      text-align: center;
      transition: box-shadow var(--transition), border-color var(--transition);
    }
    .perf-card:hover { box-shadow: var(--shadow-sm); border-color: var(--color-primary); }
    .perf-value {
      font-size: clamp(1.4rem, 1rem + 1vw, 1.8rem);
      font-weight: 700;
      letter-spacing: -0.03em;
      color: var(--color-primary);
      font-variant-numeric: tabular-nums;
      line-height: 1;
      margin-bottom: var(--space-2);
    }
    .perf-label {
      font-size: var(--text-xs);
      color: var(--color-text-muted);
      font-weight: 600;
    }
    .perf-bar-wrap {
      height: 4px;
      background: var(--color-surface-offset);
      border-radius: var(--radius-full);
      overflow: hidden;
      margin-top: var(--space-3);
    }
    .perf-bar {
      height: 100%;
      border-radius: var(--radius-full);
      background: var(--color-primary);
      transition: width 1s ease;
    }

    /* ===========================
       FOOTER
    =========================== */
    .page-footer {
      text-align: center;
      padding: var(--space-6) var(--space-8) var(--space-8);
      color: var(--color-text-faint);
      font-size: var(--text-xs);
      border-top: 1px solid var(--color-divider);
    }

    /* ===========================
       THEME TOGGLE
    =========================== */
    .theme-toggle {
      width: 36px; height: 36px;
      border-radius: var(--radius-md);
      display: flex; align-items: center; justify-content: center;
      color: var(--color-text-muted); font-size: 14px;
      transition: background var(--transition), color var(--transition);
    }
    .theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }

    /* ===========================
       RESPONSIVE
    =========================== */
    @media (max-width: 1100px) {
      .kpi-grid { grid-template-columns: repeat(2, 1fr); }
      .two-col { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .dashboard {
        grid-template-columns: 0 1fr;
      }
      .dashboard.mobile-open {
        grid-template-columns: var(--sidebar-w) 1fr;
      }
      .sidebar {
        position: fixed;
        top: var(--header-h); left: 0;
        width: var(--sidebar-w);
        height: calc(100dvh - var(--header-h));
        z-index: 200;
        transform: translateX(-100%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-lg);
      }
      .dashboard.mobile-open .sidebar {
        transform: translateX(0);
      }
      .main { grid-column: 1 / -1; }
      .header { grid-column: 1 / -1; }
      .page-content { padding: var(--space-5) var(--space-4) var(--space-8); }
      .kpi-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
      .perf-grid { grid-template-columns: 1fr; }
      .search-bar { display: none; }
    }

    @media (max-width: 480px) {
      .kpi-grid { grid-template-columns: 1fr; }
      .page-header { flex-direction: column; gap: var(--space-3); }
    }

    /* ===========================
       ANIMATIONS
    =========================== */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(12px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .kpi-card  { animation: fadeUp 0.4s ease both; }
    .kpi-card:nth-child(1) { animation-delay: 0.05s; }
    .kpi-card:nth-child(2) { animation-delay: 0.10s; }
    .kpi-card:nth-child(3) { animation-delay: 0.15s; }
    .kpi-card:nth-child(4) { animation-delay: 0.20s; }
    .card { animation: fadeUp 0.4s ease both; animation-delay: 0.25s; }
    .perf-card { animation: fadeUp 0.4s ease both; animation-delay: 0.30s; }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }
    }

    /* Mobile overlay */
    .overlay {
      display: none;
      position: fixed; inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 150;
    }
    .dashboard.mobile-open ~ .overlay,
    .overlay.show { display: block; }