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

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --secondary: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --border: #e2e8f0;
  
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --card-bg: rgba(255, 255, 255, 0.95);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.4);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --radius: 16px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--slate-50);
  color: var(--dark);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* App Container Layout */
.app-container {
  display: flex;
  width: 100vw;
  min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
  width: 280px;
  background: var(--dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1.25rem;
  border-right: 1px solid var(--slate-800);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem 1.75rem 0.75rem;
  border-bottom: 1px solid var(--slate-800);
  margin-bottom: 1.5rem;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  list-style: none;
  flex: 1;
}

.nav-label {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-600);
  padding: 0.75rem 0.75rem 0.25rem 0.75rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  color: #94a3b8;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--primary), #6366f1);
  color: #fff;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.sidebar-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--slate-800);
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--slate-800);
  border-radius: 14px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* Main Content Area */
.main-wrapper {
  margin-left: 280px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: calc(100vw - 280px);
}

.topbar {
  height: 72px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 90;
}

.page-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.content-body {
  padding: 2rem;
  flex: 1;
}

/* Glass & Card Design */
.card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.kpi-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.kpi-card.success::before { background: linear-gradient(90deg, #10b981, #059669); }
.kpi-card.warning::before { background: linear-gradient(90deg, #f59e0b, #d97706); }
.kpi-card.danger::before { background: linear-gradient(90deg, #ef4444, #dc2626); }

.kpi-label {
  font-size: 0.85rem;
  color: var(--slate-600);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
}

.kpi-sub {
  font-size: 0.825rem;
  color: var(--slate-600);
}

/* Buttons & Inputs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { background: #059669; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #dc2626; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--slate-700);
}
.btn-outline:hover {
  background: var(--slate-100);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--slate-700);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  background: #fff;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

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

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.table th {
  background: var(--slate-100);
  color: var(--slate-700);
  font-weight: 700;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.table tbody tr:hover {
  background: var(--slate-50);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #e0f2fe; color: #075985; }

/* Camera & Location Widget */
.webcam-box {
  width: 100%;
  max-width: 480px;
  height: 360px;
  background: #000;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
  margin: 0 auto 1.5rem auto;
}

.webcam-box video, .webcam-box canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.webcam-overlay {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.825rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  font-weight: 500;
  font-size: 0.925rem;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

@media (max-width: 992px) {
  .sidebar { width: 80px; padding: 1rem 0.5rem; }
  .brand-name, .nav-label, .nav-text, .user-details { display: none; }
  .main-wrapper { margin-left: 80px; width: calc(100vw - 80px); }
}