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

:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --secondary: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  --dark: #1f2937;
  --light: #f3f4f6;
  --white: #ffffff;
  --gray-100: #f9fafb;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius: 8px;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--gray-100);
  color: var(--dark);
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: white; }
.btn-secondary:hover { background: #059669; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-success { background: var(--secondary); color: white; }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

.landing-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.landing-header {
  background: var(--white);
  padding: 20px 40px;
  box-shadow: var(--shadow);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.logo i { font-size: 32px; }

.landing-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.hero-section {
  text-align: center;
  max-width: 1200px;
}

.hero-section h1 {
  font-size: 48px;
  color: var(--dark);
  margin-bottom: 16px;
}

.hero-section > p {
  font-size: 20px;
  color: var(--gray-500);
  margin-bottom: 48px;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.feature-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.feature-card:hover { transform: translateY(-4px); }
.feature-card i { font-size: 48px; color: var(--primary); margin-bottom: 16px; }
.feature-card h3 { margin-bottom: 8px; color: var(--dark); }
.feature-card p { color: var(--gray-500); font-size: 14px; }

.login-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.landing-footer {
  background: var(--dark);
  color: var(--gray-300);
  text-align: center;
  padding: 20px;
}

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 20px;
}

.login-box {
  background: var(--white);
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header i { font-size: 48px; color: var(--primary); margin-bottom: 16px; }
.login-header h1 { color: var(--dark); margin-bottom: 8px; }
.login-header p { color: var(--gray-500); }

.role-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.role-tab {
  flex: 1;
  padding: 10px;
  border: 2px solid var(--gray-200);
  background: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 12px;
}

.role-tab:hover { border-color: var(--primary); }
.role-tab.active { background: var(--primary); color: white; border-color: var(--primary); }
.role-tab i { display: block; font-size: 20px; margin-bottom: 4px; }

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--gray-600);
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  transition: border-color 0.2s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.error-message {
  background: #fef2f2;
  color: var(--danger);
  padding: 12px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
}

.login-footer a { color: var(--primary); text-decoration: none; }
.login-footer a:hover { text-decoration: underline; }

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

.sidebar {
  width: 260px;
  background: var(--dark);
  color: var(--white);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
}

.sidebar-header {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px solid var(--gray-700);
}

.sidebar-header i { font-size: 28px; color: var(--primary); }

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.sidebar-nav ul { list-style: none; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  color: var(--gray-300);
  cursor: pointer;
  transition: all 0.2s;
}

.nav-item:hover { background: var(--gray-700); color: var(--white); }
.nav-item.active { background: var(--primary); color: var(--white); }
.nav-item i { width: 20px; text-align: center; }

.sidebar-footer { padding: 24px; border-top: 1px solid var(--gray-700); }

.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
}

.main-header {
  background: var(--white);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left { display: flex; align-items: center; gap: 16px; }
.sidebar-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }
.header-right { display: flex; align-items: center; gap: 24px; }

.notification-bell {
  position: relative;
  cursor: pointer;
  font-size: 20px;
  color: var(--gray-500);
}

.notification-bell .badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-600);
}

.user-info i { font-size: 24px; }

.content-area {
  flex: 1;
  padding: 24px;
}

.page-content { display: none; }
.page-content.active { display: block; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
}

.bg-blue { background: var(--info); }
.bg-green { background: var(--secondary); }
.bg-purple { background: var(--primary); }
.bg-orange { background: var(--warning); }

.stat-info h3 { font-size: 28px; color: var(--dark); }
.stat-info p { color: var(--gray-500); font-size: 14px; }

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 24px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-header {
  padding: 20px;
  border-bottom: 1px solid var(--gray-200);
}

.card-header h3 { font-size: 16px; color: var(--dark); }
.card-body { padding: 20px; }

.attendance-summary {
  display: flex;
  justify-content: space-around;
  text-align: center;
}

.summary-item .count {
  display: block;
  font-size: 32px;
  font-weight: 700;
}

.summary-item .label { color: var(--gray-500); font-size: 14px; }
.summary-item.hadir .count { color: var(--secondary); }
.summary-item.izin .count { color: var(--info); }
.summary-item.sakit .count { color: var(--warning); }
.summary-item.alpha .count { color: var(--danger); }

.activity-list { list-style: none; }

.activity-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
  color: var(--gray-600);
}

.activity-list li:last-child { border-bottom: none; }

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

.filters {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.filters select, .filters input {
  padding: 10px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
}

.table-container {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}

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

.data-table th, .data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.data-table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-600);
  font-size: 13px;
  text-transform: uppercase;
}

.data-table td { font-size: 14px; }
.data-table tbody tr:hover { background: var(--gray-50); }
.data-table .loading { text-align: center; color: var(--gray-400); padding: 40px; }

.data-table img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.badge-status {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-active { background: #d1fae5; color: #059669; }
.badge-inactive { background: #fee2e2; color: #dc2626; }
.badge-pending { background: #fef3c7; color: #d97706; }
.badge-approved { background: #d1fae5; color: #059669; }
.badge-rejected { background: #fee2e2; color: #dc2626; }

.whatsapp-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 24px;
}

.wa-status {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 600;
}

.status-indicator i { font-size: 32px; }
.status-indicator.connected { color: var(--secondary); }
.status-indicator.disconnected { color: var(--gray-400); }

.wa-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.wa-actions .form-group { flex: 1; margin-bottom: 0; }

.pairing-code {
  margin-top: 24px;
  padding: 24px;
  background: var(--gray-100);
  border-radius: var(--radius);
  text-align: center;
}

.pairing-code .code {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--primary);
  margin: 16px 0;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active { display: flex; }

.modal-content {
  background: var(--white);
  border-radius: var(--radius);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--gray-200);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray-400);
}

.modal-close:hover { color: var(--dark); }
.modal-body { padding: 20px; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
  .sidebar.active { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .hero-section h1 { font-size: 32px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .whatsapp-section { grid-template-columns: 1fr; }
}