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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: #333;
  background-color: #f5f5f5;
}

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

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-card h1 {
  margin-bottom: 30px;
  text-align: center;
  color: #667eea;
}

.login-card.success {
  text-align: center;
  color: #28a745;
}

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

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

.form-group input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

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

.btn-primary {
  width: 100%;
  padding: 12px;
  background-color: #667eea;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  margin-top: 10px;
}

.btn-primary:hover {
  background-color: #5568d3;
}

.auth-links {
  text-align: center;
  margin-top: 20px;
}

.auth-links a {
  color: #667eea;
  text-decoration: none;
  font-size: 14px;
}

.auth-links a:hover {
  text-decoration: underline;
}

.alert {
  padding: 12px;
  margin-bottom: 20px;
  border-radius: 4px;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert-info {
  background-color: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

/* Panel */
.navbar {
  background-color: #333;
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand h1 {
  font-size: 20px;
}

.navbar-brand a {
  color: white;
  text-decoration: none;
}

.navbar-menu {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-link {
  color: #ccc;
  text-decoration: none;
  font-size: 14px;
}

.nav-link:hover {
  color: white;
}

.nav-user {
  font-size: 12px;
  color: #aaa;
}

.nav-logout {
  color: #ff6b6b;
  text-decoration: none;
  font-size: 14px;
}

.nav-logout:hover {
  color: #ff8787;
}

.container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}

.container h1 {
  margin-bottom: 30px;
  color: #333;
}

.container h2 {
  margin-top: 40px;
  margin-bottom: 20px;
  color: #333;
  font-size: 18px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
  font-size: 14px;
  color: #666;
  margin-bottom: 10px;
  text-transform: uppercase;
  font-weight: 500;
}

.stat-value {
  font-size: 28px;
  font-weight: bold;
  color: #667eea;
}

.panel-section {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

th {
  background-color: #f8f9fa;
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: #333;
  border-bottom: 2px solid #e9ecef;
}

td {
  padding: 12px;
  border-bottom: 1px solid #e9ecef;
}

tr:hover {
  background-color: #f8f9fa;
}

footer {
  text-align: center;
  padding: 30px 20px;
  color: #999;
  font-size: 12px;
  margin-top: 60px;
}

@media (max-width: 768px) {
  .navbar-menu {
    flex-wrap: wrap;
    gap: 10px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .navbar-menu a {
    font-size: 12px;
  }
}