/* ==========================================================================
   BB System POS Admin Portal — Premium Style Sheet (Dark Theme & Glassmorphism)
   ========================================================================== */

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

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #131a2c;
  --bg-tertiary: #1b253f;
  --accent-color: #00f2fe; /* Whitelabel main color */
  --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --accent-light: rgba(0, 242, 254, 0.15);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(19, 26, 44, 0.6);
  --glass-border: rgba(255, 255, 255, 0.06);
  
  /* Semantic Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
}

/* Light Theme Variables (Whitelabel customizer support) */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: rgba(0, 0, 0, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.06);
  --accent-light: rgba(79, 172, 254, 0.1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  transition: var(--transition-smooth);
}

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

/* Auth / Login Page Layout */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(79, 172, 254, 0.08) 0%, transparent 40%),
              var(--bg-primary);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.auth-logo {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-light);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #000;
  box-shadow: 0 4px 14px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

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

.btn-danger {
  background-color: var(--color-error);
  color: #fff;
}

.btn-danger:hover {
  filter: brightness(1.1);
}

/* App Main Layout (Dashboard Shell) */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.app-sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-logo {
  font-size: 1.35rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-nav {
  padding: 1rem 0;
  flex-grow: 1;
  overflow-y: auto;
}

.nav-section-title {
  padding: 0.75rem 1.5rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.925rem;
  transition: var(--transition-smooth);
  gap: 0.75rem;
  border-left: 3px solid transparent;
}

.nav-link i {
  font-size: 1.1rem;
}

.nav-link:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.02);
}

.nav-link.active {
  color: var(--accent-color);
  background-color: var(--accent-light);
  border-left-color: var(--accent-color);
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #000;
  font-size: 0.9rem;
}

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

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Main Content Panel */
.app-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0; /* Prevents flexbox items from bursting out */
}

/* Header */
.app-header {
  height: 70px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  flex-shrink: 0;
}

.header-title-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-page-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.demo-badge {
  background-color: var(--color-warning);
  color: #000;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  animation: pulse 2s infinite;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition-smooth);
}

.theme-toggle:hover {
  color: var(--accent-color);
}

.notifications-trigger {
  position: relative;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition-smooth);
}

.notifications-trigger:hover {
  color: var(--text-main);
}

.notification-count {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 16px;
  height: 16px;
  background-color: var(--color-error);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Page Subviews Grid */
.view-container {
  padding: 2rem;
  overflow-y: auto;
  flex-grow: 1;
}

.view-section {
  display: none;
}

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

/* KPI Summary Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 1.5rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.kpi-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 242, 254, 0.2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.kpi-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.trend-up { color: var(--color-success); }
.trend-down { color: var(--color-error); }

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: var(--accent-light);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

/* Analytics Row (Charts & Tables) */
.analytics-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 1024px) {
  .analytics-row {
    grid-template-columns: 1fr;
  }
}

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
}

/* Data Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

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

.custom-table th {
  padding: 1rem;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.custom-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.custom-table tr:hover {
  background-color: rgba(255, 255, 255, 0.01);
}

/* Badge Status Styles */
.badge {
  display: inline-flex;
  padding: 0.25rem 0.6rem;
  font-size: 0.725rem;
  font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
}

.badge-success { background-color: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.badge-warning { background-color: rgba(245, 158, 11, 0.15); color: var(--color-warning); }
.badge-danger { background-color: rgba(239, 68, 68, 0.15); color: var(--color-error); }
.badge-info { background-color: rgba(59, 130, 246, 0.15); color: var(--color-info); }

/* Filters & Action Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

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

.modal-content {
  width: 100%;
  max-width: 600px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
  transform: translateY(20px);
  transition: var(--transition-smooth);
  overflow: hidden;
}

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

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

.modal-body {
  padding: 1.5rem;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: rgba(0, 0, 0, 0.1);
}

/* Category Drag and Drop Tree Styles */
.category-tree-node {
  margin-left: 1.5rem;
  border-left: 1px dotted var(--border-color);
  padding-left: 1rem;
  margin-top: 0.5rem;
}

/* Utility classes */
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.text-right { text-align: right; }
.flex-gap { display: flex; gap: 0.5rem; }

/* Grid Layout for lists */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Animations */
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

/* Sidebar Submenus */
.nav-submenu {
  display: none;
  flex-direction: column;
  padding-left: 1.5rem;
  margin-top: 0.25rem;
  gap: 0.15rem;
  border-left: 1px solid rgba(255, 255, 255, 0.05);
  margin-left: 2rem;
}
.nav-submenu.active {
  display: flex;
}
.submenu-link {
  display: flex;
  align-items: center;
  padding: 0.55rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  gap: 0.75rem;
  border-left: 3px solid transparent;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}
.submenu-link i {
  font-size: 1rem;
  opacity: 0.75;
}
.submenu-link:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.03);
  border-left-color: rgba(0, 242, 254, 0.3);
}
.submenu-link.active {
  color: var(--accent-color);
  background-color: rgba(0, 242, 254, 0.05);
  border-left-color: var(--accent-color);
  font-weight: 600;
}
.submenu-link.active i {
  opacity: 1;
}
.submenu-caret {
  margin-left: auto;
  transition: transform var(--transition-smooth);
}
.nav-link.open .submenu-caret {
  transform: rotate(180deg);
}