/* Reset y estilos base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
}

/* Página de Login */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.login-box {
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  text-align: center;
  color: #333;
  margin-bottom: 10px;
  font-size: 28px;
}

.login-box h2 {
  text-align: center;
  color: #666;
  margin-bottom: 30px;
  font-size: 18px;
  font-weight: normal;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #333;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
  font-family: inherit;
}

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

.btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  font-weight: 500;
}

.btn:hover {
  opacity: 0.9;
}

.btn:active {
  opacity: 0.8;
}

.btn-secondary {
  background: #6c757d;
  width: auto;
  padding: 8px 16px;
  font-size: 14px;
}

.btn-success {
  background: #28a745;
  width: auto;
  padding: 8px 16px;
  font-size: 14px;
}

.btn-danger {
  background: #dc3545;
  width: auto;
  padding: 8px 16px;
  font-size: 14px;
}

.error-message {
  color: #dc3545;
  text-align: center;
  margin-top: 10px;
  font-size: 14px;
}

/* Paneles */
.header {
  background: white;
  padding: 20px 30px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header h1 {
  color: #333;
  font-size: 24px;
}

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

.user-info {
  color: #666;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 10px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.card h2 {
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #667eea;
}

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

.tab {
  padding: 10px 20px;
  background: #f1f1f1;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
}

.tab.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

table th,
table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

table th {
  background: #f8f9fa;
  color: #333;
  font-weight: 600;
}

table tr:hover {
  background: #f8f9fa;
}

.actions {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.form-inline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.form-inline input,
.form-inline textarea {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: white;
  margin: 5% auto;
  padding: 30px;
  border-radius: 10px;
  width: 90%;
  max-width: 500px;
  position: relative;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  position: absolute;
  right: 15px;
  top: 10px;
}

.close:hover {
  color: black;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-admin {
  background: #dc3545;
  color: white;
}

.badge-profesor {
  background: #007bff;
  color: white;
}

.badge-estudiante {
  background: #28a745;
  color: white;
}

.badge-activo {
  background: #28a745;
  color: white;
}

.badge-inactivo {
  background: #6c757d;
  color: white;
}

.file-list {
  margin-top: 15px;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background: #f8f9fa;
  margin-bottom: 8px;
  border-radius: 5px;
}