/* Main CSS Stylesheet for GateMate */
:root {
  --primary-color: #3498db;
  --primary-dark: #2980b9;
  --secondary-color: #2ecc71;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --light-color: #ecf0f1;
  --dark-color: #2c3e50;
  --gray-color: #95a5a6;
  --white: #ffffff;
  --black: #333333;
}

/* Base Styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  color: var(--black);
  line-height: 1.6;
  background-color: #f9f9f9;
}

/* Layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark-color);
  margin-top: 0;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--primary-dark);
}

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

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="time"],
select,
textarea {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
  transition: border-color 0.3s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-color);
  outline: none;
}

button,
.btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

button:hover,
.btn:hover {
  background-color: var(--primary-dark);
}

.btn-secondary {
  background-color: var(--gray-color);
}

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

.btn-danger {
  background-color: var(--danger-color);
}

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

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.table th,
.table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

.table th {
  background-color: var(--light-color);
  font-weight: 600;
}

.table tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 20px;
}

/* Alerts */
.alert {
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
}

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

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

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

/* Responsive */
@media (max-width: 768px) {
  .container {
    width: 95%;
    padding: 10px;
  }
  
  .table-responsive {
    overflow-x: auto;
  }
}