/* =================================================================
   OPTIBLOBS ENTERPRISE DESIGN SYSTEM
   Modern, Glassmorphic, Responsive & High-Performance UI Theme
   ================================================================= */

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

:root {
  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* OptiBlobs Signature Palette (Dark Default) */
  --bg-main: #0b1120;
  --bg-secondary: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  
  /* Accent Gradients */
  --gradient-cyan: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --gradient-purple: linear-gradient(135deg, #7f00ff 0%, #e100ff 100%);
  --gradient-emerald: linear-gradient(135deg, #059669 0%, #10b981 100%);
  --gradient-amber: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
  --gradient-rose: linear-gradient(135deg, #e11d48 0%, #f43f5e 100%);
  
  --primary-color: #38bdf8;
  --primary-glow: rgba(56, 189, 248, 0.25);
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #f43f5e;
  
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 30px -5px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

[data-theme="light"] {
  --bg-main: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(79, 172, 254, 0.4);
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
}

/* Global Reset & Base */
body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Glassmorphism Cards */
.opti-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.opti-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* KPI Stat Cards */
.kpi-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-cyan);
  border-radius: 4px 0 0 4px;
}

.kpi-card.purple::before { background: var(--gradient-purple); }
.kpi-card.emerald::before { background: var(--gradient-emerald); }
.kpi-card.amber::before { background: var(--gradient-amber); }
.kpi-card.rose::before { background: var(--gradient-rose); }

.kpi-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  background: var(--gradient-cyan);
  box-shadow: var(--shadow-glow);
}

.kpi-icon.purple { background: var(--gradient-purple); }
.kpi-icon.emerald { background: var(--gradient-emerald); }
.kpi-icon.amber { background: var(--gradient-amber); }
.kpi-icon.rose { background: var(--gradient-rose); }

.kpi-details h4 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-details .kpi-value {
  margin: 0.25rem 0 0 0;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  margin-top: 4px;
}

.kpi-trend.up { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.kpi-trend.down { background: rgba(244, 63, 94, 0.15); color: #f43f5e; }

/* Grid Layouts */
.opti-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.opti-grid-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 992px) {
  .opti-grid-2 { grid-template-columns: 1fr; }
}

/* Sidebar & Navigation Styling */
.nav-lateral {
  background: var(--bg-secondary) !important;
  border-right: 1px solid var(--border-color);
  width: 270px;
  transition: all 0.3s ease;
}

.nav-lateral-title {
  background: var(--gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.nav-lateral-menu ul li a {
  color: var(--text-muted) !important;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem !important;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-lateral-menu ul li a:hover,
.nav-lateral-menu ul li a.active {
  background: rgba(56, 189, 248, 0.1) !important;
  color: var(--primary-color) !important;
  border-left: 3px solid var(--primary-color);
}

/* Top Navbar */
.opti-navbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* POS Touch Interface */
.pos-container {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 1rem;
  height: calc(100vh - 80px);
}

@media (max-width: 1100px) {
  .pos-container { grid-template-columns: 1fr; height: auto; }
}

.pos-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  overflow-y: auto;
  padding-right: 0.5rem;
  max-height: calc(100vh - 160px);
}

.product-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  position: relative;
}

.product-item-card:hover {
  transform: scale(1.03);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.product-item-card img {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.product-item-card .prod-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-item-card .prod-price {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-top: 0.25rem;
}

.product-item-card .prod-stock {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* POS Cart Panel */
.pos-cart-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pos-cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.cart-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px dashed var(--border-color);
}

.pos-cart-totals {
  background: rgba(0, 0, 0, 0.2);
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.total-big {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--success-color);
}

/* Opti Blobs Badges & Buttons */
.btn-opti {
  background: var(--gradient-cyan);
  color: #0f172a !important;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  transition: all 0.25 ease;
  box-shadow: 0 4px 14px rgba(0, 242, 254, 0.3);
}

.btn-opti:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5);
}

.btn-opti-emerald {
  background: var(--gradient-emerald);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-opti-purple {
  background: var(--gradient-purple);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(127, 0, 255, 0.3);
}

.badge-opti {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-success { background: rgba(16, 185, 129, 0.2); color: #10b981; }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.badge-danger { background: rgba(244, 63, 94, 0.2); color: #f43f5e; }
.badge-info { background: rgba(56, 189, 248, 0.2); color: #38bdf8; }

/* Dynamic Tables */
.opti-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.opti-table th {
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.opti-table td {
  padding: 1rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}

.opti-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

/* Print Ticket Styles */
@media print {
  body * { visibility: hidden; }
  #ticket-print-area, #ticket-print-area * { visibility: visible; }
  #ticket-print-area {
    position: absolute;
    left: 0;
    top: 0;
    width: 80mm;
    font-size: 12px;
    font-family: monospace;
  }
}