/* ---------- GLOBAL DESIGN SYSTEM ---------- */
    :root {
      --bg-body: #f8fafc;
      --bg-sidebar: #ffffff;
      --bg-card: #ffffff;
      --bg-topbar: #ffffff;
      --bg-hover: #f1f5f9;
      --bg-input: #ffffff;
      --text-primary: #0f172a;
      --text-secondary: #475569;
      --text-muted: #94a3b8;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.03);
      --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
      --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.05);
      --primary: #6366f1;
      --primary-hover: #4f46e5;
      --primary-light: #eef2ff;
      --success: #10b981;
      --warning: #f59e0b;
      --danger: #ef4444;
      --info: #3b82f6;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --sidebar-width: 260px;
      --topbar-height: 72px;
      --transition: all 0.2s ease;
    }

    [data-theme="dark"] {
      --bg-body: #0b1120;
      --bg-sidebar: #0f172a;
      --bg-card: #1e293b;
      --bg-topbar: #0f172a;
      --bg-hover: #1e293b;
      --bg-input: #1e293b;
      --text-primary: #f1f5f9;
      --text-secondary: #cbd5e1;
      --text-muted: #64748b;
      --border-color: #334155;
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
      --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
      --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
      --primary-light: #1e1b4b;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    }

    body {
      background: var(--bg-body);
      color: var(--text-primary);
      transition: background 0.3s, color 0.2s;
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* ---------- APP LAYOUT ---------- */
    .app {
      display: flex;
      min-height: 100vh;
    }

    /* Sidebar */
    .sidebar {
      width: var(--sidebar-width);
      background: var(--bg-sidebar);
      border-right: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      z-index: 100;
      transition: transform 0.3s ease;
      box-shadow: var(--shadow-sm);
    }

    .sidebar-header {
      padding: 24px 20px 16px;
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 1px solid var(--border-color);
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      background: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 18px;
    }

    .logo-text {
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: var(--text-primary);
    }

    .logo-text span {
      color: var(--primary);
    }

    .sidebar-nav {
      flex: 1;
      padding: 16px 12px;
      overflow-y: auto;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      color: var(--text-secondary);
      font-weight: 500;
      font-size: 14px;
      cursor: pointer;
      transition: var(--transition);
      margin-bottom: 4px;
      border: none;
      background: transparent;
      width: 100%;
      text-align: left;
    }

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

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

    .nav-item.active {
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 600;
    }

    .sidebar-footer {
      padding: 16px 16px 20px;
      border-top: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .avatar {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--primary);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      font-size: 16px;
      flex-shrink: 0;
    }

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

    .user-info .name {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
    }

    .user-info .role {
      font-size: 12px;
      color: var(--text-muted);
    }

    .account-menu-btn {
      background: transparent;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      padding: 6px;
      border-radius: 6px;
      transition: var(--transition);
    }

    .account-menu-btn:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }

    /* Main content */
    .main-content {
      flex: 1;
      margin-left: var(--sidebar-width);
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    /* Topbar */
    .topbar {
      height: var(--topbar-height);
      background: var(--bg-topbar);
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      padding: 0 28px;
      gap: 16px;
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(8px);
    }

    .hamburger {
      display: none;
      background: transparent;
      border: none;
      font-size: 22px;
      color: var(--text-primary);
      cursor: pointer;
      padding: 8px;
      border-radius: 8px;
    }

    .hamburger:hover {
      background: var(--bg-hover);
    }

    .global-search {
      flex: 1;
      max-width: 480px;
      position: relative;
    }

    .global-search i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 15px;
    }

    .global-search input {
      width: 100%;
      padding: 10px 16px 10px 42px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      background: var(--bg-input);
      color: var(--text-primary);
      font-size: 14px;
      transition: var(--transition);
    }

    .global-search input:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

    .topbar-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
    }

    .icon-btn {
      background: transparent;
      border: none;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-secondary);
      font-size: 18px;
      cursor: pointer;
      transition: var(--transition);
      position: relative;
    }

    .icon-btn:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }

    .badge-dot {
      position: absolute;
      top: 8px;
      right: 8px;
      width: 8px;
      height: 8px;
      background: var(--danger);
      border-radius: 50%;
      border: 2px solid var(--bg-topbar);
    }

    /* Page content */
    .page {
      padding: 28px 32px 40px;
      display: none;
      animation: fadeIn 0.2s ease;
    }

    .page.active {
      display: block;
    }

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

    .page-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      margin-bottom: 28px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .page-title {
      font-size: 26px;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: var(--text-primary);
    }

    .page-subtitle {
      font-size: 14px;
      color: var(--text-secondary);
      margin-top: 4px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 18px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      white-space: nowrap;
    }

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

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

    .btn-secondary {
      background: var(--bg-card);
      color: var(--text-primary);
      border-color: var(--border-color);
    }

    .btn-secondary:hover {
      background: var(--bg-hover);
      border-color: var(--text-muted);
    }

    .btn-danger {
      background: var(--danger);
      color: white;
    }

    .btn-danger:hover {
      background: #dc2626;
    }

    .btn-sm {
      padding: 6px 12px;
      font-size: 13px;
    }

    /* Stats grid */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 28px;
    }

    .stat-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .stat-label {
      font-size: 13px;
      font-weight: 500;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 10px;
    }

    .stat-value {
      font-size: 30px;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: var(--text-primary);
    }

    .stat-change {
      font-size: 13px;
      margin-top: 8px;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .stat-change.positive { color: var(--success); }
    .stat-change.negative { color: var(--danger); }

    /* Card */
    .card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
      overflow: hidden;
    }

    .card-header {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .card-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
    }

    .card-body {
      padding: 24px;
    }

    /* Chart */
    .chart-container {
      position: relative;
      height: 280px;
      width: 100%;
    }

    .chart-filters {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .chart-filter {
      padding: 5px 12px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      background: var(--bg-card);
      color: var(--text-secondary);
      font-size: 12px;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
    }

    .chart-filter:hover {
      background: var(--bg-hover);
    }

    .chart-filter.active {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
    }

    /* Progress list */
    .project-progress-item {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 14px 0;
      border-bottom: 1px solid var(--border-color);
    }

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

    .project-icon {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
      background: var(--primary-light);
      color: var(--primary);
    }

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

    .project-name {
      font-weight: 600;
      font-size: 14px;
      color: var(--text-primary);
    }

    .project-client {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    .progress-bar-wrapper {
      flex: 1;
      max-width: 200px;
    }

    .progress-bar-bg {
      height: 8px;
      background: var(--border-color);
      border-radius: 4px;
      overflow: hidden;
    }

    .progress-bar-fill {
      height: 100%;
      background: var(--primary);
      border-radius: 4px;
      transition: width 0.6s ease;
    }

    .progress-text {
      font-size: 12px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-top: 4px;
      text-align: right;
    }

    /* Activity feed */
    .activity-item {
      display: flex;
      gap: 14px;
      padding: 12px 0;
      border-bottom: 1px solid var(--border-color);
    }

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

    .activity-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      flex-shrink: 0;
    }

    .activity-icon.blue { background: #e0f2fe; color: #0284c7; }
    .activity-icon.green { background: #dcfce7; color: #16a34a; }
    .activity-icon.purple { background: #f3e8ff; color: #9333ea; }
    .activity-icon.orange { background: #ffedd5; color: #ea580c; }
    .activity-icon.red { background: #fee2e2; color: #dc2626; }

    .activity-content { flex: 1; }
    .activity-text { font-size: 14px; color: var(--text-primary); }
    .activity-time { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

    /* Table */
    .table-wrapper {
      overflow-x: auto;
      border-radius: var(--radius-md);
    }

    table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
      min-width: 700px;
    }

    th {
      text-align: left;
      padding: 12px 16px;
      font-weight: 600;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--text-muted);
      background: var(--bg-hover);
      border-bottom: 1px solid var(--border-color);
      white-space: nowrap;
    }

    td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--border-color);
      color: var(--text-secondary);
      vertical-align: middle;
    }

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

    tr:hover td {
      background: var(--bg-hover);
    }

    /* Badges */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
    }

    .badge-active, .badge-completed, .badge-paid { background: #dcfce7; color: #16a34a; }
    .badge-inactive { background: #f1f5f9; color: #64748b; }
    .badge-pending { background: #fef3c7; color: #d97706; }
    .badge-inprogress { background: #dbeafe; color: #2563eb; }
    .badge-overdue { background: #fee2e2; color: #dc2626; }
    .badge-planning { background: #f3e8ff; color: #9333ea; }
    .badge-review { background: #e0f2fe; color: #0284c7; }
    .badge-onhold { background: #fef9c3; color: #ca8a04; }
    .badge-high { background: #fee2e2; color: #dc2626; }
    .badge-medium { background: #fef3c7; color: #d97706; }
    .badge-low { background: #dcfce7; color: #16a34a; }

    /* Avatar in table */
    .client-cell {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .client-avatar {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      font-size: 14px;
      flex-shrink: 0;
    }

    /* Action buttons */
    .action-btns {
      display: flex;
      gap: 4px;
    }

    .action-btn {
      background: transparent;
      border: none;
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
      font-size: 14px;
    }

    .action-btn:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }

    .action-btn.danger:hover {
      background: #fee2e2;
      color: var(--danger);
    }

    /* Filters bar */
    .filters-bar {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
      flex-wrap: wrap;
    }

    .filter-input {
      padding: 9px 14px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      background: var(--bg-input);
      color: var(--text-primary);
      font-size: 14px;
      transition: var(--transition);
      min-width: 180px;
    }

    .filter-input:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
    }

    select.filter-input {
      cursor: pointer;
    }

    /* Empty state */
    .empty-state {
      text-align: center;
      padding: 60px 20px;
    }

    .empty-state i {
      font-size: 48px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .empty-state h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    .empty-state p {
      color: var(--text-secondary);
      font-size: 14px;
      margin-bottom: 20px;
    }

    /* Modal */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.5);
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1000;
      padding: 20px;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.25s, visibility 0.25s;
    }

    .modal-overlay.active {
      opacity: 1;
      visibility: visible;
    }

    .modal {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      width: 100%;
      max-width: 540px;
      max-height: 90vh;
      overflow-y: auto;
      box-shadow: var(--shadow-lg);
      transform: scale(0.96) translateY(10px);
      transition: transform 0.25s ease;
      border: 1px solid var(--border-color);
    }

    .modal-overlay.active .modal {
      transform: scale(1) translateY(0);
    }

    .modal-lg {
      max-width: 720px;
    }

    .modal-header {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      background: var(--bg-card);
      z-index: 10;
      border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .modal-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
    }

    .modal-close {
      background: transparent;
      border: none;
      width: 36px;
      height: 36px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-muted);
      cursor: pointer;
      font-size: 18px;
      transition: var(--transition);
    }

    .modal-close:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }

    .modal-body {
      padding: 24px;
    }

    .modal-footer {
      padding: 16px 24px;
      border-top: 1px solid var(--border-color);
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      position: sticky;
      bottom: 0;
      background: var(--bg-card);
      border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    /* Forms */
    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 6px;
    }

    .form-label .required {
      color: var(--danger);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 10px 14px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      background: var(--bg-input);
      color: var(--text-primary);
      font-size: 14px;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
    }

    .form-input.error, .form-select.error, .form-textarea.error {
      border-color: var(--danger);
    }

    .form-textarea {
      resize: vertical;
      min-height: 80px;
    }

    .form-error {
      font-size: 12px;
      color: var(--danger);
      margin-top: 4px;
      display: none;
    }

    .form-error.visible {
      display: block;
    }

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

    /* Toast */
    .toast-container {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 2000;
      display: flex;
      flex-direction: column;
      gap: 10px;
      max-width: 360px;
    }

    .toast {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      gap: 12px;
      border-left: 4px solid var(--primary);
      animation: slideIn 0.3s ease;
      border: 1px solid var(--border-color);
    }

    .toast.success { border-left-color: var(--success); }
    .toast.error { border-left-color: var(--danger); }
    .toast.warning { border-left-color: var(--warning); }

    .toast i { font-size: 18px; }
    .toast.success i { color: var(--success); }
    .toast.error i { color: var(--danger); }
    .toast.warning i { color: var(--warning); }

    .toast-message {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
      flex: 1;
    }

    @keyframes slideIn {
      from { transform: translateX(100%); opacity: 0; }
      to { transform: translateX(0); opacity: 1; }
    }

    /* Dropdown */
    .dropdown {
      position: relative;
    }

    .dropdown-menu {
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      min-width: 320px;
      max-height: 400px;
      overflow-y: auto;
      z-index: 200;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-6px);
      transition: all 0.2s ease;
      padding: 8px;
    }

    .dropdown-menu.active {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .dropdown-item {
      padding: 10px 12px;
      border-radius: 8px;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: var(--text-primary);
      transition: var(--transition);
      border: none;
      background: transparent;
      width: 100%;
      text-align: left;
    }

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

    .dropdown-item .item-type {
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-left: auto;
    }

    /* Detail rows */
    .detail-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .detail-item {
      padding: 12px 0;
    }

    .detail-label {
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .detail-value {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-primary);
    }

    /* Tabs */
    .tabs {
      display: flex;
      gap: 4px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 20px;
      overflow-x: auto;
    }

    .tab {
      padding: 10px 16px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      cursor: pointer;
      border: none;
      background: transparent;
      border-bottom: 2px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .tab:hover { color: var(--text-primary); }
    .tab.active {
      color: var(--primary);
      border-bottom-color: var(--primary);
      font-weight: 600;
    }

    /* Settings */
    .settings-section {
      margin-bottom: 32px;
    }

    .settings-section h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 16px;
      color: var(--text-primary);
    }

    /* Invoice */
    .invoice-preview {
      padding: 32px;
      background: white;
      color: #0f172a;
      border-radius: var(--radius-md);
    }

    .invoice-header {
      display: flex;
      justify-content: space-between;
      margin-bottom: 32px;
    }

    .invoice-logo {
      font-size: 22px;
      font-weight: 700;
      color: #6366f1;
    }

    .invoice-table {
      width: 100%;
      border-collapse: collapse;
      margin: 20px 0;
    }

    .invoice-table th, .invoice-table td {
      padding: 10px 12px;
      border-bottom: 1px solid #e2e8f0;
      text-align: left;
    }

    .invoice-table th {
      background: #f8fafc;
      font-size: 12px;
      text-transform: uppercase;
    }

    .invoice-total {
      text-align: right;
      font-size: 18px;
      font-weight: 700;
      margin-top: 20px;
    }

    /* Mobile overlay for sidebar */
    .sidebar-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.4);
      z-index: 99;
      opacity: 0;
      visibility: hidden;
      transition: 0.3s;
    }

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

    /* Responsive */
    

    

    

    /* Scrollbar */
    ::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }
    ::-webkit-scrollbar-track {
      background: transparent;
    }
    ::-webkit-scrollbar-thumb {
      background: var(--border-color);
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: var(--text-muted);
    }

    /* Utility */
    .text-muted { color: var(--text-muted); }
    .text-success { color: var(--success); }
    .text-danger { color: var(--danger); }
    .text-warning { color: var(--warning); }
    .mt-1 { margin-top: 4px; }
    .mt-2 { margin-top: 8px; }
    .mt-3 { margin-top: 16px; }
    .mb-2 { margin-bottom: 8px; }
    .mb-3 { margin-bottom: 16px; }
    .flex { display: flex; }
    .items-center { align-items: center; }
    .justify-between { justify-content: space-between; }
    .gap-2 { gap: 8px; }
    .gap-3 { gap: 16px; }
    .w-full { width: 100%; }
    .hidden { display: none !important; }