:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

header {
  background: linear-gradient(90deg, #007bff, #0056b3);
  color: white;
  font-weight: 600;
  letter-spacing: 1px;
}

footer {
  background-color: #f8f9fa;
  font-size: 0.9rem;
}


.sidebar {
    min-height: 100vh;
    background-color: var(--secondary-color);
    color: white;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.8rem 1rem;
    margin: 0.2rem 0;
    border-radius: 0.3rem;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

.page-container {
    display: none;
}

.page-container.active {
    display: block;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: none;
    margin-bottom: 1.5rem;
}

.card-header {
    
    background-color: white;
    border-bottom: 1px solid #e3e6f0;
    font-weight: 600;
}

.status-badge {
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
}
#employee-calendar {
  width: 100%;
  min-height: 600px; /* or any value you prefer */
  margin: 0 auto;
}


.calendar-container {
    background-color: white;
    border-radius: 0.35rem;
    padding: 1.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.fc-event {
    cursor: pointer;
}

.login-container {
    max-width: 400px;
    margin: 0 auto;
    padding-top: 100px;
}

.login-card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.material-item {
    border-left: 4px solid var(--primary-color);
    padding-left: 15px;
    margin-bottom: 15px;
}

.material-item.rejected {
    border-left-color: var(--danger-color);
}

.material-item.approved {
    border-left-color: var(--success-color);
}

.material-item.pending {
    border-left-color: var(--warning-color);
}

.user-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: #e9ecef;
    border-radius: 0.25rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.table-responsive {
    border-radius: 0.35rem;
}

.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}