body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f8f9fa;
}

.container-fluid {
    flex: 1;
}

footer {
    margin-top: auto;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,.1);
    margin-bottom: 20px;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

.table {
    margin-bottom: 0;
}

.btn {
    border-radius: 4px;
}

.badge {
    padding: 6px 12px;
    font-weight: 500;
}

.form-control, .form-select {
    border-radius: 4px;
}

.alert {
    border-radius: 4px;
}

h1, h2, h3, h4, h5, h6 {
    color: #333;
}
:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --success-color: #48bb78;
  --danger-color: #f56565;
  --warning-color: #ed8936;
  --info-color: #4299e1;
}

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

html, body {
  height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container-fluid {
  flex: 1;
  padding: 20px;
}

footer {
  margin-top: auto;
  background-color: #2d3748;
  color: white;
  padding: 20px;
}

.navbar {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
}

.card {
  border: none;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  margin-bottom: 20px;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white !important;
  border: none;
  font-weight: 600;
  border-radius: 10px 10px 0 0;
}

.btn {
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.3s;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.form-control, .form-select {
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  transition: border-color 0.3s;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.table {
  margin-bottom: 0;
}

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

.badge {
  padding: 8px 12px;
  font-weight: 500;
  border-radius: 20px;
}

.alert {
  border-radius: 8px;
  border: none;
}

h1, h2, h3, h4, h5, h6 {
  color: #2d3748;
  font-weight: 600;
}

.page-title {
  color: #2d3748;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.text-gradient {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (max-width: 768px) {
  .card {
    margin-bottom: 15px;
  }
  
  .btn {
    width: 100% !important;
    margin-bottom: 10px;
  }
  
  table {
    font-size: 0.9rem;
  }
}