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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 40px 20px;
  color: #1a1a2e;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.header {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #ffffff;
  padding: 40px;
  text-align: center;
}

.header h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 16px;
  opacity: 0.8;
  font-weight: 300;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  padding: 30px 40px;
  background: #f8f9fa;
  border-bottom: 1px solid #e9ecef;
}

.stat-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
}

.stat-value {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.controls {
  padding: 30px 40px;
  border-bottom: 1px solid #e9ecef;
}

.search-box {
  margin-bottom: 20px;
}

.search-box input {
  width: 100%;
  padding: 14px 20px;
  font-size: 16px;
  border: 2px solid #e9ecef;
  border-radius: 10px;
  transition: border-color 0.2s;
}

.search-box input:focus {
  outline: none;
  border-color: #667eea;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.chip {
  padding: 8px 16px;
  border: 2px solid #e9ecef;
  background: #ffffff;
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.chip:hover {
  border-color: #667eea;
  color: #667eea;
}

.chip.active {
  background: #667eea;
  border-color: #667eea;
  color: #ffffff;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: #6c757d;
  color: #ffffff;
}

.btn-secondary:hover {
  background: #5a6268;
}

.btn-small {
  padding: 6px 12px;
  font-size: 13px;
}

.table-section {
  padding: 30px 40px;
}

.table-wrapper {
  overflow-x: auto;
}

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

.data-table th,
.data-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid #e9ecef;
}

.data-table th {
  background: #f8f9fa;
  font-weight: 600;
  color: #495057;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
  background: #f8f9fa;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.status-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
}

.status-new {
  background: #e3f2fd;
  color: #1976d2;
}

.status-progress {
  background: #fff3e0;
  color: #f57c00;
}

.status-done {
  background: #e8f5e9;
  color: #388e3c;
}

.status-rejected {
  background: #ffebee;
  color: #d32f2f;
}

.action-buttons {
  display: flex;
  gap: 8px;
}

.btn-edit {
  background: #17a2b8;
  color: #ffffff;
}

.btn-edit:hover {
  background: #138496;
}

.btn-delete {
  background: #dc3545;
  color: #ffffff;
}

.btn-delete:hover {
  background: #c82333;
}

.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: #ffffff;
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.3s ease;
}

.modal-large {
  max-width: 700px;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 30px;
  border-bottom: 1px solid #e9ecef;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #ffffff;
  border-radius: 16px 16px 0 0;
}

.modal-header h2 {
  font-size: 22px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 32px;
  color: #ffffff;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.modal-close:hover {
  opacity: 1;
}

#request-form {
  padding: 30px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #495057;
  font-size: 14px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #667eea;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 30px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #6c757d;
}

.empty-state p {
  font-size: 18px;
}

@media (max-width: 768px) {
  body {
    padding: 20px 10px;
  }

  .header h1 {
    font-size: 24px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 20px;
  }

  .controls,
  .table-section {
    padding: 20px;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}