/**
 * ============================================
 * Inmapper Kiosk Backend - Admin Panel Styles
 * Professional Dark Theme Design
 * ============================================
 */

/* ============================================
   CSS Variables & Theme
   ============================================ */
:root {
  /* Brand Colors - inMapper Inspired */
  --primary: #3b82f6;
  --primary-light: #60a5fa;
  --primary-dark: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.4);
  
  /* Accent Colors */
  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.4);
  --accent-purple: #8b5cf6;
  --accent-purple-glow: rgba(139, 92, 246, 0.4);
  --accent-orange: #f59e0b;
  --accent-orange-glow: rgba(245, 158, 11, 0.4);
  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.4);
  
  /* Background Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a24;
  --bg-elevated: #22222e;
  --bg-hover: #2a2a38;
  
  /* Surface Colors */
  --surface: rgba(26, 26, 36, 0.8);
  --surface-elevated: rgba(34, 34, 46, 0.9);
  --surface-hover: rgba(42, 42, 56, 0.9);
  
  /* Border Colors */
  --border: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);
  --border-focus: rgba(59, 130, 246, 0.5);
  
  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-disabled: #475569;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px var(--primary-glow);
  
  /* Spacing */
  --sidebar-width: 280px;
  --sidebar-collapsed: 80px;
  --header-height: 72px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition-normal), transform var(--transition-normal);
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .status-info {
  opacity: 0;
  visibility: hidden;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: 0 4px 16px var(--primary-glow);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.sidebar-toggle {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-nav {
  flex: 1;
  padding: 1.5rem 1rem;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 2rem;
}

.nav-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0 0.75rem;
  margin-bottom: 0.75rem;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-bottom: 0.25rem;
  position: relative;
  overflow: hidden;
}

.nav-item i {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.nav-item span {
  font-weight: 500;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

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

.nav-item.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
  color: var(--primary-light);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--primary);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border);
}

.server-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-indicator.online {
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green-glow);
  animation: pulse 2s infinite;
}

.status-indicator.offline {
  background: var(--accent-red);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-info {
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.status-label {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-value {
  font-size: 0.8125rem;
  color: var(--accent-green);
  font-weight: 600;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  transition: margin-left var(--transition-normal);
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-collapsed);
}

/* ============================================
   Header
   ============================================ */
.header {
  height: var(--header-height);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

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

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.page-breadcrumb {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem 0.5rem 0.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.user-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ============================================
   Page Content
   ============================================ */
.page-content {
  flex: 1;
  padding: 2rem;
}

.page {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Stats Grid
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-icon.blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary-light);
}

.stat-icon.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.stat-icon.purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
}

.stat-icon.orange {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-orange);
}

.stat-trend {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
}

.stat-trend.up {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.stat-trend.down {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

.stat-card-body {
  margin-bottom: 0.75rem;
}

.stat-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-card-footer {
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.stat-description {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* ============================================
   Dashboard Grid
   ============================================ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-title i {
  color: var(--text-tertiary);
}

.card-body {
  padding: 1.5rem;
}

.card-body.no-padding {
  padding: 0;
}

/* ============================================
   Activity List
   ============================================ */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.activity-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.activity-icon.blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary-light);
}

.activity-icon.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.activity-icon.purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
}

.activity-content {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.activity-text {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* ============================================
   Quick Actions
   ============================================ */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.quick-action-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
}

.quick-action-icon {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.quick-action-btn span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ============================================
   Page Toolbar
   ============================================ */
.page-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-width: 280px;
}

.search-box i {
  color: var(--text-tertiary);
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.search-box input::placeholder {
  color: var(--text-tertiary);
}

.filter-group {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.filter-btn {
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn i {
  font-size: 1.125rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

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

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

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

.btn-sm {
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ============================================
   Landing Pages Grid
   ============================================ */
.landing-pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
}

.landing-page-card {
  background: var(--surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.landing-page-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.lp-card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.lp-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.lp-card-meta {
  display: flex;
  gap: 1rem;
}

.lp-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.lp-card-body {
  padding: 1.5rem;
}

.lp-slides-preview {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.lp-slide-thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
}

.lp-slide-more {
  width: 64px;
  height: 64px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-tertiary);
}

.lp-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.lp-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.lp-info-label {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lp-info-value {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
}

.lp-card-footer {
  padding: 1rem 1.5rem;
  background: var(--bg-tertiary);
  display: flex;
  gap: 0.5rem;
}

/* ============================================
   Data Table
   ============================================ */
.table-container {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead {
  background: var(--bg-tertiary);
}

.data-table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}

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

.data-table tbody tr:hover {
  background: var(--bg-tertiary);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.status-badge.online {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.status-badge.idle {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-orange);
}

.status-badge.offline {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

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

.device-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--primary-light);
}

.text-muted {
  color: var(--text-tertiary);
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-state p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
}

/* ============================================
   Settings
   ============================================ */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

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

.info-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.info-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.info-value.status-online {
  color: var(--accent-green);
}

.info-value.code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--primary-light);
}

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-xl);
}

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

.modal.modal-sm {
  max-width: 400px;
}

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

.modal-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-title i {
  color: var(--primary-light);
}

.modal-close {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 1.25rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

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

.modal-body {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
}

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

/* ============================================
   Form Elements
   ============================================ */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-label-badge {
  padding: 0.125rem 0.5rem;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.form-label-count {
  font-weight: 400;
  color: var(--text-tertiary);
  font-size: 0.8125rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.375rem;
}

.form-range {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  appearance: none;
  cursor: pointer;
}

.form-range::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--primary-glow);
}

.form-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.5rem;
}

/* ============================================
   Slides Container
   ============================================ */
.slides-container {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 0.75rem;
  max-height: 300px;
  overflow-y: auto;
  background: var(--bg-tertiary);
}

.slide-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
}

.slide-item:last-child {
  margin-bottom: 0;
}

.slide-order {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  flex-shrink: 0;
}

.slide-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  flex-shrink: 0;
}

.slide-url-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.8125rem;
}

.slide-url-input:focus {
  outline: none;
  border-color: var(--primary);
}

.slide-actions {
  display: flex;
  gap: 0.25rem;
}

.slide-actions .btn-icon {
  width: 32px;
  height: 32px;
  font-size: 1rem;
}

/* ============================================
   Assigned Devices
   ============================================ */
.assigned-devices {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 0.75rem;
  min-height: 80px;
  background: var(--bg-tertiary);
}

.empty-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-tertiary);
  font-size: 0.8125rem;
  padding: 1rem;
}

.empty-placeholder i {
  font-size: 1.5rem;
}

.device-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  margin: 0.25rem;
}

.device-chip button {
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.device-chip button:hover {
  opacity: 1;
}

/* ============================================
   Device Select List
   ============================================ */
.device-select-list {
  max-height: 400px;
  overflow-y: auto;
}

.device-select-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.device-select-item:hover {
  background: var(--bg-tertiary);
}

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

.device-select-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.device-select-info {
  flex: 1;
}

.device-select-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.device-select-id {
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-tertiary);
}

.device-select-status {
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
  font-weight: 500;
}

.device-select-status.online {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.device-select-status.offline {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 2000;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

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

.toast.success {
  border-left: 3px solid var(--accent-green);
}

.toast.error {
  border-left: 3px solid var(--accent-red);
}

.toast.warning {
  border-left: 3px solid var(--accent-orange);
}

.toast-icon {
  font-size: 1.25rem;
}

.toast.success .toast-icon {
  color: var(--accent-green);
}

.toast.error .toast-icon {
  color: var(--accent-red);
}

.toast.warning .toast-icon {
  color: var(--accent-orange);
}

.toast-message {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1200px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .header {
    padding: 0 1rem;
  }

  .page-content {
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-left,
  .toolbar-right {
    flex-direction: column;
  }

  .search-box {
    min-width: 100%;
  }

  .landing-pages-grid {
    grid-template-columns: 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .modal {
    margin: 1rem;
    max-height: calc(100vh - 2rem);
  }
}