@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- DESIGN TOKENS --- */
:root {
  --font-primary: 'Plus Jakarta Sans', sans-serif;
  --font-secondary: 'Inter', sans-serif;

  /* Colors */
  --bg-deep: #050505; /* Black Obsidian */
  --bg-surface: rgba(10, 10, 15, 0.7); /* Sleek Glass Dark */
  --bg-card: rgba(255, 255, 255, 0.02); /* Cleaner Card Background */
  --bg-card-hover: rgba(124, 58, 237, 0.06); /* Sutil Violet Hover */
  --border-light: rgba(255, 255, 255, 0.05); /* Thin sleek border */
  --border-glow: rgba(124, 58, 237, 0.2); /* Sutil Purple Highlight */

  --primary: #7c3aed; /* Brand Purple */
  --primary-glow: rgba(124, 58, 237, 0.25);
  --secondary: #c084fc; /* Lavender Purple (replaces old cyan) */
  --secondary-glow: rgba(192, 132, 252, 0.2);
  --accent: #a78bfa; /* Soft Violet (replaces old fuchsia) */
  --accent-glow: rgba(167, 139, 250, 0.2);
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.15);

  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --sidebar-width: 260px;
  --header-height: 80px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --shadow-neon: 0 4px 20px rgba(124, 58, 237, 0.15);
  --shadow-cyan: 0 4px 20px rgba(192, 132, 252, 0.1);
}

/* --- RESET & GLOBAL STYLES --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  overflow-x: hidden;
  height: 100vh;
  display: flex;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.01);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-glow);
}

/* Selection */
::selection {
  background: var(--primary-glow);
  color: #fff;
}

/* --- GLASSMORPHISM UTILITIES --- */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-md);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: var(--transition-normal);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.glass-card-interactive {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.glass-card-interactive:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 12px 30px rgba(139, 92, 246, 0.15);
}

.text-gradient {
  background: linear-gradient(135deg, #fff 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #a78bfa 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #c084fc 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- APPLICATION LAYOUT --- */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px 20px;
  border-right: 1px solid var(--border-light);
  background: rgba(5, 5, 8, 0.8);
  backdrop-filter: blur(20px);
  z-index: 100;
}

.main-content {
  margin-left: var(--sidebar-width);
  width: calc(100% - var(--sidebar-width));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  background: radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.05), transparent 50%),
              radial-gradient(circle at 0% 100%, rgba(192, 132, 252, 0.02), transparent 45%);
}

.main-header {
  height: var(--header-height);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  border-bottom: 1px solid var(--border-light);
  background: rgba(5, 5, 5, 0.4);
  backdrop-filter: blur(10px);
}

.content-viewport {
  flex: 1;
  padding: 40px;
  overflow-y: auto;
}

/* --- SIDEBAR COMPONENTS --- */
.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-neon);
}

.brand-logo-svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}

.brand h1 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 40px;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 1px solid transparent;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-secondary);
  transition: var(--transition-normal);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.05);
}

.nav-link:hover svg {
  stroke: var(--text-primary);
  transform: translateX(2px);
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(6, 182, 212, 0.05));
  border-color: rgba(139, 92, 246, 0.25);
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.1);
}

.nav-link.active svg {
  stroke: var(--secondary);
  filter: drop-shadow(0 0 5px var(--secondary-glow));
}

.sidebar-footer {
  padding: 15px 10px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  box-shadow: var(--shadow-cyan);
}

.user-info {
  display: flex;
  flex-direction: column;
}

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

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

/* --- HEADER COMPONENTS --- */
.header-search {
  position: relative;
  width: 320px;
}

.header-search input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-md);
  padding: 12px 18px 12px 45px;
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition-normal);
}

.header-search input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.15);
}

.header-search svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  stroke: var(--text-muted);
}

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

.time-widget {
  font-size: 14px;
  color: var(--text-secondary);
  font-family: var(--font-secondary);
  background: var(--bg-card);
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.time-widget span {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.notification-bell {
  position: relative;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.notification-bell:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-glow);
}

.notification-bell svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-secondary);
}

.notification-bell .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* --- TAB SECTIONS --- */
.tab-pane {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- DASHBOARD PAGE --- */
.page-title-section {
  margin-bottom: 35px;
}

.page-title-section h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

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

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 35px;
}

.metric-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.metric-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.metric-card.purple .metric-icon-box {
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
}
.metric-card.purple svg { stroke: var(--primary); }

.metric-card.cyan .metric-icon-box {
  background: rgba(192, 132, 252, 0.1);
  border: 1px solid rgba(192, 132, 252, 0.2);
}
.metric-card.cyan svg { stroke: var(--secondary); }

.metric-card.pink .metric-icon-box {
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.2);
}
.metric-card.pink svg { stroke: var(--accent); }

.metric-card.orange .metric-icon-box {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.15);
}
.metric-card.orange svg { stroke: var(--warning); }

.metric-value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-secondary);
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.metric-label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-trend {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.metric-trend.up { color: var(--success); }
.metric-trend.down { color: var(--danger); }
.metric-trend.neutral { color: var(--text-muted); }

/* Dashboard Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 35px;
}

.chart-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
}

.chart-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.chart-filter {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.chart-body {
  position: relative;
  flex: 1;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Custom SVG Dashboard Chart Styles */
.svg-chart-container {
  width: 100%;
  height: 250px;
}

.recent-activity-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.activity-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-light);
}

.activity-details {
  display: flex;
  align-items: center;
  gap: 12px;
}

.activity-icon-container {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.activity-item.sale .activity-icon-container { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.activity-item.stock .activity-icon-container { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.activity-item.customer .activity-icon-container { background: rgba(6, 182, 212, 0.1); color: var(--secondary); }

.activity-text p {
  font-size: 13px;
  font-weight: 600;
}

.activity-text span {
  font-size: 11px;
  color: var(--text-muted);
}

.activity-value {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-secondary);
}

/* --- INVENTORY PAGE --- */
.view-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
  gap: 20px;
}

.search-filters-group {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
}

.search-box-wrapper {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.search-box-wrapper input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  padding: 10px 15px 10px 40px;
  color: var(--text-primary);
  font-size: 13px;
  transition: var(--transition-fast);
}

.search-box-wrapper input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.06);
}

.search-box-wrapper svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  stroke: var(--text-muted);
}

.filter-select {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  padding: 10px 15px;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Glass Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Glassmorphism Tables */
.table-container {
  overflow-x: auto;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.01);
}

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

.custom-table th {
  padding: 16px 24px;
  background: rgba(124, 58, 237, 0.04);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-light);
}

.custom-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 14px;
}

.custom-table tbody tr {
  transition: var(--transition-fast);
}

.custom-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

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

/* Product Info Table Cells */
.table-product-cell {
  display: flex;
  align-items: center;
  gap: 14px;
}

.product-gradient-thumb {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.table-product-details {
  display: flex;
  flex-direction: column;
}

.table-product-name {
  font-weight: 600;
  font-size: 14px;
}

.table-product-sku {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-secondary);
}

/* Badges */
.badge-status {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-status.instock {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
}
.badge-status.instock::before { background: var(--success); }

.badge-status.lowstock {
  background: rgba(245, 158, 11, 0.12);
  color: var(--warning);
}
.badge-status.lowstock::before { background: var(--warning); }

.badge-status.outofstock {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
}
.badge-status.outofstock::before { background: var(--danger); }

/* Table Actions */
.table-actions-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text-secondary);
}

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

.btn-icon.edit:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}

.btn-icon.delete:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.btn-icon svg {
  width: 16px;
  height: 16px;
}

/* --- POINT OF SALE (POS) PAGE --- */
.pos-layout {
  display: grid;
  grid-template-columns: 1.8fr 1.2fr;
  gap: 30px;
  height: calc(100vh - var(--header-height) - 80px);
}

.pos-catalog-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pos-categories-scroll {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.pos-category-btn {
  padding: 10px 18px;
  border-radius: var(--border-radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-normal);
}

.pos-category-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

.pos-category-btn.active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(6, 182, 212, 0.05));
  border-color: var(--primary-glow);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.1);
}

.pos-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  overflow-y: auto;
  flex: 1;
  padding-right: 6px;
}

.pos-product-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pos-product-thumb {
  width: 100%;
  height: 120px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  margin-bottom: 16px;
  position: relative;
}

.pos-product-stock-tag {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(3, 0, 20, 0.7);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.pos-product-stock-tag.low {
  color: var(--warning);
}

.pos-product-stock-tag.empty {
  color: var(--danger);
}

.pos-product-info h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.3;
}

.pos-product-sku {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.pos-product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 15px;
}

.pos-product-price {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-secondary);
}

.btn-add-cart {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-add-cart:hover {
  background: var(--secondary);
  box-shadow: 0 0 10px var(--secondary-glow);
  transform: scale(1.1);
}

.btn-add-cart svg {
  width: 16px;
  height: 16px;
  stroke: #fff;
  stroke-width: 2.5;
}

/* POS Cart / Checkout Panel */
.pos-cart-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
}

.pos-cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-light);
}

.pos-cart-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.btn-clear-cart {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-clear-cart:hover {
  color: var(--danger);
}

.pos-cart-items {
  flex: 1;
  overflow-y: auto;
  margin: 15px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
}

.cart-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
  gap: 12px;
}

.cart-empty-state svg {
  width: 48px;
  height: 48px;
  stroke: var(--text-muted);
}

.cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-light);
}

.cart-item-details {
  flex: 1;
  margin-right: 12px;
}

.cart-item-name {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.cart-item-price {
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-secondary);
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cart-qty-btn {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.cart-qty-btn:hover {
  background: var(--bg-card-hover);
}

.cart-item-qty {
  font-size: 13px;
  font-weight: 700;
  width: 20px;
  text-align: center;
  font-family: var(--font-secondary);
}

.cart-item-total {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-secondary);
  width: 70px;
  text-align: right;
}

.btn-remove-item {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-remove-item:hover {
  color: var(--danger);
}

.pos-checkout-summary {
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
}

.summary-row.total {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-top: 5px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-light);
}

.summary-row span.val {
  font-family: var(--font-secondary);
}

.pos-discount-customer-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
}

.pos-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pos-input-group label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.pos-input-group select,
.pos-input-group input {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 12px;
  width: 100%;
}

.pos-input-group select:focus,
.pos-input-group input:focus {
  border-color: var(--primary);
}

.btn-checkout {
  margin-top: 15px;
  width: 100%;
  padding: 14px;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* --- MODAL DIALOGS --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 0, 20, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal-container {
  width: 90%;
  max-width: 500px;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
  padding: 30px;
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 13px;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 30px;
}

/* Success Receipt Modal specific styling */
.receipt-box {
  background: #fff;
  color: #000;
  padding: 24px;
  border-radius: var(--border-radius-sm);
  font-family: 'Courier New', Courier, monospace;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  margin-bottom: 20px;
  border: 1px solid #ddd;
}

.receipt-header {
  text-align: center;
  border-bottom: 1px dashed #000;
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.receipt-title {
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
}

.receipt-info {
  font-size: 12px;
  margin-top: 4px;
}

.receipt-divider {
  border-bottom: 1px dashed #000;
  margin: 12px 0;
}

.receipt-item-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 6px;
}

.receipt-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
}

.receipt-footer {
  text-align: center;
  margin-top: 15px;
  font-size: 12px;
}

/* --- SETTINGS PAGE --- */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.settings-card {
  padding: 24px;
}

.settings-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.settings-card h3 svg {
  width: 20px;
  height: 20px;
  stroke: var(--primary);
}

.settings-description {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 20px;
  line-height: 1.5;
}

.settings-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Store Info Full-Width Card */
.settings-card-full {
  grid-column: 1 / -1;
}

.store-info-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.store-info-form .form-group {
  margin-bottom: 12px;
}

.store-info-form .form-group label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.store-info-form .form-group input {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 13px;
  width: 100%;
  transition: var(--transition-fast);
}

.store-info-form .form-group input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.12);
}

.store-info-form .form-group input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.store-info-save-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.store-info-save-indicator.visible {
  opacity: 1;
  transform: translateY(0);
}

.store-info-save-indicator svg {
  stroke: var(--success);
}

/* --- CUSTOM CHART SVG STYLING --- */
.svg-grid-line {
  stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 1px;
}

.svg-chart-line {
  stroke: url(#chart-gradient);
  stroke-width: 3px;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 4px 8px var(--primary-glow));
}

.svg-chart-area {
  fill: url(#area-gradient);
  opacity: 0.15;
}

.svg-bar {
  fill: url(#bar-gradient);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.svg-bar:hover {
  fill: var(--secondary);
}

.svg-chart-dot {
  fill: var(--primary);
  stroke: #fff;
  stroke-width: 2px;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.svg-chart-dot:hover {
  transform: scale(1.5);
}

.svg-chart-text {
  fill: var(--text-muted);
  font-size: 10px;
  font-family: var(--font-secondary);
}

/* Customer tier labels */
.tier-tag {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.tier-tag.platinum { background: rgba(0, 229, 255, 0.12); color: #00e5ff; }
.tier-tag.gold { background: rgba(255, 215, 0, 0.12); color: #ffd700; }
.tier-tag.silver { background: rgba(192, 192, 192, 0.12); color: #c0c0c0; }
.tier-tag.bronze { background: rgba(205, 127, 50, 0.12); color: #cd7f32; }

/* Responsive Media Queries */
@media (max-width: 1200px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pos-layout {
    grid-template-columns: 1fr;
    height: auto;
  }
  .pos-cart-panel {
    height: 600px;
  }
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    padding: 15px;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }
  .nav-links {
    flex-direction: row;
    overflow-x: auto;
    margin-top: 15px;
    padding-bottom: 5px;
    gap: 8px;
  }
  .nav-link {
    padding: 8px 14px;
    font-size: 13px;
  }
  .sidebar-footer {
    display: none;
  }
  .main-content {
    margin-left: 0;
    width: 100%;
  }
  .main-header {
    padding: 0 20px;
  }
  .content-viewport {
    padding: 20px;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .settings-grid {
    grid-template-columns: 1fr;
  }
}