body {
    background-color: var(--bg-light);
}

#alert-container {
    position: sticky;
    top: 80px;
    z-index: 2000;
    margin-bottom: 20px;
}

.alert {
    border-radius: 6px;
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    font-weight: 500;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.login-wrapper {
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    padding: 60px 0;
}

.login-container {
    max-width: 450px;
    margin: 0 auto;
}

.card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    overflow: hidden;
}

.card-body {
    padding: 30px;
}

.form-label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-control {
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 12px 15px;
    transition: all 0.3s;
}

.btn-link {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.btn-link:hover {
    color: var(--text-dark);
}

.hidden {
    display: none;
}