:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.sidebar {
    height: calc(100vh - 56px);
    border-right: 1px solid #dee2e6;
}

.sidebar .nav-link {
    color: #6c757d;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    margin: 0.25rem 0;
    transition: all 0.3s ease;
}

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

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.btn {
    border-radius: 10px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.table th {
    border-top: none;
    font-weight: 700;
    color: #495057;
}

.badge {
    font-size: 0.75em;
    padding: 0.5em 0.75em;
}

.minutes-content {
    line-height: 1.8;
    color: #333;
    font-size: 1.1em;
}

.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.25);
}

.alert {
    border-radius: 10px;
    border: none;
}

.navbar-brand {
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 56px;
        left: -250px;
        width: 250px;
        z-index: 1050;
        transition: left 0.3s ease;
    }
    
    .sidebar.show {
        left: 0;
    }
}