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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #f5f7fa;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  margin-bottom: 30px;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-content h1 {
  font-size: 24px;
  font-weight: 600;
}

.header-content .user-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background-color: #667eea;
  color: white;
}

.btn-primary:hover {
  background-color: #5568d3;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-success {
  background-color: #48bb78;
  color: white;
}

.btn-success:hover {
  background-color: #38a169;
}

.btn-danger {
  background-color: #f56565;
  color: white;
}

.btn-danger:hover {
  background-color: #e53e3e;
}

.btn-secondary {
  background-color: #cbd5e0;
  color: #2d3748;
}

.btn-secondary:hover {
  background-color: #a0aec0;
}

.btn-logout {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-logout:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.card {
  background: white;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card h2 {
  font-size: 20px;
  margin-bottom: 20px;
  color: #2d3748;
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: #4a5568;
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

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

table thead {
  background-color: #f7fafc;
}

table th {
  text-align: left;
  padding: 12px;
  font-weight: 600;
  color: #4a5568;
  font-size: 14px;
  border-bottom: 2px solid #e2e8f0;
}

table td {
  padding: 12px;
  border-bottom: 1px solid #e2e8f0;
  font-size: 14px;
}

table tr:hover {
  background-color: #f7fafc;
}

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-size: 14px;
}

.alert-success {
  background-color: #c6f6d5;
  color: #22543d;
  border: 1px solid #9ae6b4;
}

.alert-error {
  background-color: #fed7d7;
  color: #742a2a;
  border: 1px solid #fc8181;
}

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  width: 100%;
  max-width: 400px;
}

.login-card h1 {
  text-align: center;
  margin-bottom: 30px;
  color: #2d3748;
  font-size: 28px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #a0aec0;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge-waiting {
  background-color: #fef5e7;
  color: #c27803;
}

.badge-progress {
  background-color: #dbeafe;
  color: #1e40af;
}

.nav-links {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.nav-links a {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  transition: background-color 0.3s;
}

.nav-links a:hover {
  background-color: #edf2f7;
}

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

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  max-height: 300px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.search-result-item {
  padding: 12px;
  cursor: pointer;
  border-bottom: 1px solid #f7fafc;
}

.search-result-item:hover {
  background-color: #f7fafc;
}

.flex {
  display: flex;
  gap: 10px;
}

.flex-1 {
  flex: 1;
}

.mt-2 {
  margin-top: 20px;
}

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

.tab-btn {
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: #718096;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.3s;
}

.tab-btn:hover {
  color: #667eea;
  background-color: #f7fafc;
}

.tab-btn.active {
  color: #667eea;
  border-bottom-color: #667eea;
  font-weight: 600;
}

.tab-content {
  animation: fadeIn 0.3s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .header-content {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .tab-btn {
    font-size: 13px;
    padding: 10px 12px;
  }
}

@media print {
  body * {
    visibility: hidden;
  }

  .print-content,
  .print-content * {
    visibility: visible;
  }

  .print-content {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }
}