/* Reset & Variables */
:root {
  --bg-primary: #0a0f0d;
  --bg-secondary: #121815;
  --bg-card: #18221d;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --accent-color: #10b981;
  --accent-hover: #059669;
  --accent-light: #34d399;
  --border-color: #24332b;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --sidebar-width: 260px;
  --border-radius: 12px;
  --transition-speed: 0.2s;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: flex;
}

/* App Layout */
.app-container {
  display: flex;
  width: 100%;
  height: 100%;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  background: linear-gradient(135deg, var(--accent-light), var(--accent-color));
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: bold;
  font-size: 20px;
}

.logo-text {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #ffffff, #a7f3d0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-menu {
  list-style: none;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
  overflow-y: auto;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-speed);
  font-weight: 500;
  font-size: 14px;
}

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

.menu-item.active {
  background-color: var(--accent-color);
  color: #0c1511;
  font-weight: 600;
}

.menu-item svg {
  width: 20px;
  height: 20px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 12px;
  color: #4b5563;
}

/* Main Content Area */
.main-content {
  flex-grow: 1;
  height: 100%;
  overflow-y: auto;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
}

.header {
  padding: 20px 32px;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(10, 15, 13, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-title {
  font-size: 20px;
  font-weight: 600;
}

/* Content wrapper */
.content-wrapper {
  padding: 32px;
  flex-grow: 1;
}

/* Utility Cards & Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(16, 185, 129, 0.3);
}

.card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.card-subtext {
  font-size: 12px;
  color: var(--accent-light);
  margin-top: 8px;
}

/* Interactive elements */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--accent-color);
  color: #0c1511;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-speed), transform var(--transition-speed);
  font-size: 14px;
}

.btn:hover {
  background-color: var(--accent-hover);
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-secondary:hover {
  background-color: var(--bg-card);
}

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

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

/* Table Design */
.table-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-top: 16px;
  box-shadow: var(--shadow-md);
}

.table-search-bar {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 16px;
  align-items: center;
  background-color: rgba(24, 34, 29, 0.5);
}

.search-input {
  flex-grow: 1;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}

.search-input:focus {
  border-color: var(--accent-color);
}

.custom-select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 16px;
  color: var(--text-primary);
  outline: none;
  font-size: 14px;
  cursor: pointer;
}

.custom-select:focus {
  border-color: var(--accent-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: rgba(10, 15, 13, 0.4);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

tbody tr {
  transition: background-color var(--transition-speed);
}

tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
  cursor: pointer;
}

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

/* Badge Ranks */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.badge-8 { background-color: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-7 { background-color: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-6 { background-color: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.4); }
.badge-5 { background-color: rgba(139, 92, 246, 0.2); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.4); }
.badge-default { background-color: rgba(107, 114, 128, 0.2); color: #9ca3af; border: 1px solid rgba(107, 114, 128, 0.4); }

/* Tree View */
.tree-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: auto;
  padding: 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  min-height: 500px;
}

.tree-node-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tree-node {
  background-color: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 12px 20px;
  margin: 10px;
  text-align: center;
  min-width: 150px;
  cursor: pointer;
  transition: all var(--transition-speed);
  position: relative;
}

.tree-node:hover {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
  transform: scale(1.03);
}

.tree-node.active-root {
  border-color: var(--accent-light);
  background-color: rgba(16, 185, 129, 0.1);
}

.tree-node-name {
  font-weight: 600;
  font-size: 14px;
}

.tree-node-id {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.tree-node-info {
  font-size: 11px;
  color: var(--accent-light);
  margin-top: 4px;
}

.tree-children {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  padding-top: 20px;
}

/* Tree Connecting Lines (pure CSS) */
.tree-children::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  border-left: 2px solid var(--border-color);
  width: 0;
  height: 20px;
}

.tree-node-wrapper:only-child .tree-children::before {
  display: none;
}

.tree-node-wrapper:only-child {
  padding-top: 0;
}

.tree-node-wrapper:not(:first-child)::before,
.tree-node-wrapper:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 0;
  border-top: 2px solid var(--border-color);
  width: 50%;
  height: 20px;
}

.tree-node-wrapper:not(:first-child)::before {
  left: 0;
}

.tree-node-wrapper:not(:last-child)::after {
  right: 0;
}

.tree-node-wrapper {
  position: relative;
  padding-top: 20px;
}

.tree-node-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  border-left: 2px solid var(--border-color);
  width: 0;
  height: 20px;
}

.tree-node-wrapper:first-child::after,
.tree-node-wrapper:last-child::after {
  border-left: 2px solid var(--border-color);
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

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

.modal-body {
  padding: 24px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.info-item label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.info-item span {
  font-size: 16px;
  font-weight: 500;
}

/* Order Creator Styles */
.order-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: start;
}

.product-select-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  max-height: 500px;
  overflow-y: auto;
  padding-right: 8px;
}

.product-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

.product-card-title {
  font-weight: 600;
  font-size: 13px;
  line-height: 1.3;
}

.product-card-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-light);
}

.product-card-pv {
  font-size: 11px;
  color: var(--text-secondary);
}

.cart-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  position: sticky;
  top: 100px;
}

.cart-title {
  font-size: 18px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.cart-items {
  max-height: 250px;
  overflow-y: auto;
  margin-bottom: 20px;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cart-item-name {
  font-size: 13px;
  width: 50%;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 8px;
}

.qty-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.qty-val {
  font-size: 13px;
  width: 20px;
  text-align: center;
}

.cart-item-price {
  font-size: 13px;
  font-weight: 600;
}

.cart-summary {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}

.summary-row.total {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-light);
}

/* Page/Views management */
.view-panel {
  display: none;
}

.view-panel.active {
  display: block;
}

/* Menu Toggle Button (Desktop: Hidden) */
.menu-toggle {
  display: none;
}

/* Responsive Design (Mobile & Tablet) */
@media (max-width: 768px) {
  body {
    overflow: auto; /* Allow scrolling on body if needed */
  }

  /* Hamburger Menu Toggle Button */
  .menu-toggle {
    display: flex !important;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    margin-right: 12px;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 6px;
    transition: background-color var(--transition-speed);
  }

  .menu-toggle:hover {
    background-color: var(--bg-secondary);
  }

  /* Sidebar Drawer styling */
  .sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    bottom: 0;
    z-index: 1000;
    transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    background-color: var(--bg-secondary);
  }

  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    z-index: 998;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  /* When mobile drawer is open */
  .sidebar-open .sidebar {
    left: 0;
  }

  .sidebar-open .sidebar-overlay {
    display: block;
    opacity: 1;
  }

  /* Header & Main Content wrappers spacing adjustment */
  .header {
    padding: 16px 20px;
  }

  .content-wrapper {
    padding: 16px 20px;
  }

  /* Forms & Filters vertical stacking */
  .table-search-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 12px 16px;
  }

  .search-input, .custom-select {
    width: 100%;
  }

  /* Horizontal Scrolling for Data Tables */
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    min-width: 600px; /* Force minimum width to trigger scrollbar instead of squishing */
  }

  th, td {
    padding: 12px 16px;
  }

  /* New Order Creator Stacking Columns */
  .order-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cart-panel {
    position: relative;
    top: auto;
    padding: 16px;
  }

  .product-select-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    max-height: 400px;
  }

  /* Modals */
  .modal {
    width: 95%;
    max-height: 90vh;
  }

  .modal-body {
    padding: 16px;
  }

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

  /* KPI Cards stacking */
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Print styles */
@media print {
  body * {
    visibility: hidden;
  }
  #print-section, #print-section * {
    visibility: visible;
  }
  #print-section {
    display: block !important;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background-color: white;
    color: black;
    padding: 20px;
  }
  .print-page-break {
    page-break-before: always;
    break-before: page;
    height: 0;
    margin: 0;
    border: none;
  }
  .no-print {
    display: none !important;
  }
}

.print-page-break {
  display: none;
}

/* Print Invoice Styles */
.invoice-box {
  max-width: 800px;
  margin: auto;
  padding: 30px;
  border: 1px solid #eee;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
  font-size: 16px;
  line-height: 24px;
  font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif;
  color: #555;
  background-color: white;
}

.invoice-box table {
  width: 100%;
  line-height: inherit;
  text-align: left;
}

.invoice-box table td {
  padding: 5px;
  vertical-align: top;
}

.invoice-box table tr td:nth-child(2) {
  text-align: right;
}

.invoice-box table tr.top table td {
  padding-bottom: 20px;
}

.invoice-box table tr.information table td {
  padding-bottom: 40px;
}

.invoice-box table tr.heading td {
  background: #eee;
  border-bottom: 1px solid #ddd;
  font-weight: bold;
}

.invoice-box table tr.details td {
  padding-bottom: 20px;
}

.invoice-box table tr.item td {
  border-bottom: 1px solid #eee;
}

.invoice-box table tr.item.last td {
  border-bottom: none;
}

.invoice-box table tr.total td:nth-child(2) {
  border-top: 2px solid #eee;
  font-weight: bold;
}

/* Notification banner */
.notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--accent-color);
  color: #0c1511;
  padding: 16px 24px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  font-weight: 600;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* File Import area */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  background-color: var(--bg-card);
  cursor: pointer;
  transition: border-color var(--transition-speed);
}

.dropzone:hover {
  border-color: var(--accent-color);
}

.search-result-item:hover {
  background-color: rgba(255, 255, 255, 0.08) !important;
}

/* Sync Status Interactive Styles */
.sync-status:hover {
  background-color: rgba(16, 185, 129, 0.08) !important;
  border-color: rgba(16, 185, 129, 0.3) !important;
  color: var(--text-primary) !important;
}

.sync-status:hover .sync-refresh-icon {
  color: var(--accent-light) !important;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.sync-refresh-icon.spinning {
  animation: spin 1s linear infinite !important;
}