/* TruckOS Master Styling - Modern Fleet Management UI */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0f172a;
  --bg-surface: #1e293b;
  --bg-card: #0b132b;
  --bg-body: #f8fafc;
  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --text-main: #334155;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  
  --brand-primary: #2563eb;
  --brand-primary-hover: #1d4ed8;
  --brand-accent: #06b6d4;
  
  --status-available: #10b981;
  --status-assigned: #3b82f6;
  --status-ontrip: #8b5cf6;
  --status-maintenance: #f59e0b;
  --status-inactive: #64748b;
  --status-danger: #ef4444;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Layout Grid */
.truckos-wrapper {
  display: flex;
  min-height: 100vh;
}

.truckos-sidebar {
  width: 260px;
  background-color: var(--sidebar-bg);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  transition: all 0.3s ease;
  box-shadow: 4px 0 15px rgba(0,0,0,0.1);
}

.truckos-sidebar .brand-logo {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #ffffff, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-nav {
  padding: 1rem 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.nav-section-label {
  padding: 0.75rem 0.75rem 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  margin-bottom: 0.25rem;
  border-radius: 8px;
  color: #94a3b8;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
  background-color: var(--sidebar-hover);
  color: #ffffff;
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.2), rgba(6, 182, 212, 0.15));
  border-left: 3px solid #2563eb;
  color: #38bdf8;
  font-weight: 600;
}

.nav-icon {
  width: 20px;
  height: 20px;
}

.truckos-main {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.truckos-header {
  height: 70px;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
}

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

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.75rem;
  background: #f1f5f9;
  border-radius: 50px;
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

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

.user-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.2;
}

.user-role {
  font-size: 0.7rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
}

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

/* Dashboard Cards & KPIs */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: #ffffff;
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.kpi-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.2;
}

.kpi-sub {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.35rem;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: capitalize;
}

.badge-available { background: #d1fae5; color: #065f46; }
.badge-assigned { background: #dbeafe; color: #1e40af; }
.badge-ontrip { background: #ede9fe; color: #5b21b6; }
.badge-maintenance { background: #fef3c7; color: #92400e; }
.badge-inactive { background: #f1f5f9; color: #475569; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-info { background: #e0f2fe; color: #075985; }

/* Tables */
.card-table {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 2rem;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #0f172a;
}

.truckos-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.truckos-table th {
  background: #f8fafc;
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  color: #475569;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #e2e8f0;
}

.truckos-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
  color: #334155;
}

.truckos-table tbody tr:hover {
  background-color: #f8fafc;
}

/* Forms & Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary {
  background: #2563eb;
  color: #ffffff;
}
.btn-primary:hover {
  background: #1d4ed8;
}

.btn-secondary {
  background: #f1f5f9;
  color: #334155;
  border-color: #cbd5e1;
}
.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-success {
  background: #10b981;
  color: #ffffff;
}
.btn-success:hover {
  background: #059669;
}

.btn-danger {
  background: #ef4444;
  color: #ffffff;
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Tabs */
.tabs-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid #e2e8f0;
  margin-bottom: 1.5rem;
}

.tab-item {
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  color: #64748b;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-item:hover, .tab-item.active {
  color: #2563eb;
  border-bottom-color: #2563eb;
}

/* Alert Notification Drawer */
.alert-bar {
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.alert-bar-warning { background: #fffbe completed-200; background-color: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-bar-danger { background-color: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-bar-success { background-color: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }