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

:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  --success-50: #ecfdf5;
  --success-500: #10b981;
  --success-600: #059669;
  --success-700: #047857;
  --warning-50: #fffbeb;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --orange-50: #fff7ed;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --danger-50: #fef2f2;
  --danger-500: #ef4444;
  --danger-600: #dc2626;
  --danger-700: #b91c1c;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --bg-app: #f8fafc;
  --surface-card: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--slate-800);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: all 0.2s ease;
}
a:hover {
  color: var(--primary-700);
}

.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  background-color: var(--slate-900);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(30, 58, 138, 0.4) 0%, rgba(15, 23, 42, 0) 100%);
}

.brand-logo-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.brand-info h1 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: #ffffff;
}
.brand-info span {
  font-size: 11px;
  color: var(--slate-400);
  font-weight: 500;
  display: block;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
}

.nav-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--slate-400);
  padding: 14px 12px 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--slate-300);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 3px;
  transition: all 0.15s ease-in-out;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.nav-link.active {
  background: linear-gradient(90deg, var(--primary-600) 0%, var(--primary-700) 100%);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.nav-icon {
  font-size: 18px;
  width: 20px;
  display: flex;
  justify-content: center;
}

.main-wrapper {
  flex: 1;
  margin-left: 280px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.top-navbar {
  height: 70px;
  background-color: var(--surface-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.page-content {
  padding: 28px;
  flex: 1;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.5px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--slate-500);
  margin-top: 2px;
}

.card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  margin-bottom: 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--slate-100);
}

.card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--slate-900);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.metric-card.primary::before { background: var(--primary-600); }
.metric-card.danger::before { background: var(--danger-500); }
.metric-card.warning::before { background: var(--warning-500); }
.metric-card.success::before { background: var(--success-500); }

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.metric-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-500);
}

.metric-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.metric-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.1;
}

.metric-sub {
  font-size: 12px;
  color: var(--slate-500);
  margin-top: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-600);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--primary-700);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.btn-danger {
  background: var(--danger-500);
  color: #ffffff;
}
.btn-danger:hover {
  background: var(--danger-600);
  color: #ffffff;
}

.btn-success {
  background: var(--success-500);
  color: #ffffff;
}
.btn-success:hover {
  background: var(--success-600);
  color: #ffffff;
}

.btn-secondary {
  background: var(--slate-100);
  color: var(--slate-700);
  border-color: var(--slate-200);
}
.btn-secondary:hover {
  background: var(--slate-200);
  color: var(--slate-900);
}

.btn-lg {
  padding: 14px 24px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

.badge-category {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-ringan {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.badge-sedang {
  background: #ffedd5;
  color: #c2410c;
  border: 1px solid #fed7aa;
}

.badge-berat {
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.badge-positif {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.score-positive {
  color: var(--success-600);
  font-weight: 700;
}
.score-negative {
  color: var(--danger-600);
  font-weight: 700;
}
.score-neutral {
  color: var(--slate-500);
  font-weight: 600;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.table th {
  background: var(--slate-50);
  color: var(--slate-600);
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border-color);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--slate-100);
  color: var(--slate-700);
  vertical-align: middle;
}

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

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 6px;
}

.form-control, .form-select {
  width: 100%;
  padding: 11px 14px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--slate-800);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.violation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.violation-card-option {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  cursor: pointer;
  background: #ffffff;
  transition: all 0.2s ease;
  position: relative;
}

.violation-card-option:hover {
  border-color: var(--primary-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.violation-card-option.selected {
  border-color: var(--primary-600);
  background: var(--primary-50);
  box-shadow: 0 0 0 2px var(--primary-500);
}

.violation-card-option.category-ringan.selected {
  border-color: var(--warning-500);
  background: var(--warning-50);
}

.violation-card-option.category-sedang.selected {
  border-color: var(--orange-500);
  background: var(--orange-50);
}

.violation-card-option.category-berat.selected {
  border-color: var(--danger-500);
  background: var(--danger-50);
}

.rfid-box {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.rfid-box::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, rgba(0, 0, 0, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.rfid-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.rfid-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.podium-container {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
  padding: 30px 10px;
  margin-bottom: 30px;
}

.podium-card {
  flex: 1;
  max-width: 280px;
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 2px solid transparent;
  position: relative;
  transition: transform 0.2s ease;
}

.podium-card:hover {
  transform: translateY(-6px);
}

.podium-card.rank-1 {
  order: 2;
  border-color: #f59e0b;
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 40%);
  transform: scale(1.06);
  z-index: 10;
}
.podium-card.rank-2 {
  order: 1;
  border-color: #94a3b8;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 40%);
}
.podium-card.rank-3 {
  order: 3;
  border-color: #d97706;
  background: linear-gradient(180deg, #fef3c7 0%, #ffffff 40%);
}

.podium-medal {
  font-size: 40px;
  margin-bottom: 8px;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
}

.podium-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--slate-900);
}

.podium-class {
  font-size: 13px;
  color: var(--slate-500);
  margin-bottom: 12px;
}

.podium-score {
  font-size: 22px;
  font-weight: 800;
  color: var(--success-600);
  background: var(--success-50);
  padding: 6px 14px;
  border-radius: 9999px;
  display: inline-block;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

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

.modal-content {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.modal-backdrop.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  background: var(--slate-50);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .podium-container {
    flex-direction: column;
    align-items: center;
  }
  .podium-card.rank-1 {
    order: 1;
    transform: scale(1);
  }
  .podium-card.rank-2 {
    order: 2;
  }
  .podium-card.rank-3 {
    order: 3;
  }
}