/* Global styles for Fencing Guild Management System */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

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

header {
  background-color: #2c3e50;
  color: white;
  padding: 1rem 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.2s;
}

nav a:hover {
  background-color: rgba(255,255,255,0.1);
}

main {
  padding: 2rem 0;
  min-height: calc(100vh - 120px);
}

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

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input, select, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #3498db;
  color: white;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: #2980b9;
}

.btn-danger {
  background-color: #e74c3c;
}

.btn-danger:hover {
  background-color: #c0392b;
}

.btn-success {
  background-color: #27ae60;
}

.btn-success:hover {
  background-color: #229954;
}

.btn-secondary {
  background-color: #95a5a6;
}

.btn-secondary:hover {
  background-color: #7f8c8d;
}

.table-container {
  overflow-x: auto;
  margin-top: 1rem;
}

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

th, td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

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

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

.status-paid {
  color: #27ae60;
  font-weight: bold;
}

.status-unpaid {
  color: #e74c3c;
  font-weight: bold;
}

.status-confirmed {
  color: #27ae60;
}

.status-cancelled {
  color: #e74c3c;
}

.alert {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
}

.alert-success {
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
}

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

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

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.text-center {
  text-align: center;
}

.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.p-2 { padding: 1rem; }

.login-form {
  max-width: 400px;
  margin: 4rem auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-number {
  font-size: 2rem;
  font-weight: bold;
  color: #3498db;
}

.stat-label {
  color: #7f8c8d;
  margin-top: 0.5rem;
}

footer {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 1rem 0;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  table {
    font-size: 0.875rem;
  }
}