/* Global Styles */
:root {
  --primary-color: #4a6cf7;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --body-bg: #f5f8fb;
  --card-bg: #ffffff;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: var(--body-bg);
  color: var(--dark-color);
}

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

/* Login Page */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.login-form {
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 30px;
  width: 100%;
  max-width: 400px;
}

.login-form h1 {
  text-align: center;
  margin-bottom: 20px;
  color: var(--primary-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  transition: background-color 0.3s;
}

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

.btn-primary:hover {
  background-color: #3a5bd9;
}

.error-message {
  color: var(--danger-color);
  margin-bottom: 15px;
  text-align: center;
  min-height: 20px;
}

/* Dashboard Layout */
.dashboard {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background-color: var(--dark-color);
  color: white;
  padding: 20px 0;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 0 20px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.sidebar-menu {
  list-style: none;
}

.sidebar-menu li {
  margin-bottom: 5px;
}

.sidebar-menu a {
  display: block;
  padding: 10px 20px;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
}

.main-content {
  flex: 1;
  margin-left: 250px;
  padding: 20px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background-color: var(--card-bg);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  margin-bottom: 20px;
}

.card {
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  padding: 20px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

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

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

.badge {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background-color: rgba(40, 167, 69, 0.1);
  color: var(--success-color);
}

.badge-danger {
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--danger-color);
}

.badge-warning {
  background-color: rgba(255, 193, 7, 0.1);
  color: var(--warning-color);
}

.badge-info {
  background-color: rgba(23, 162, 184, 0.1);
  color: var(--info-color);
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .dashboard {
    flex-direction: column;
  }
}