body {
    background-color: #f5f5f5;
}

.container {
    max-width: 960px;
    background: #fff;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #333;
    padding-bottom: 8px;
}

label.btn {
    text-align: center;
    width: 100%;
    display: block;
}

.table thead-dark th {
    background-color: #343a40;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

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

.alert-warning {
    border-left: 4px solid #ffc107;
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-overlay p {
    font-size: 1.2rem;
    color: #333;
}

/* Fade transition */
.fade-enter-active,
.fade-leave-active {
    transition: opacity 0.2s ease;
}

.fade-enter-from,
.fade-leave-to {
    opacity: 0;
}

/* DB info badge */
.db-info-badge {
    position: fixed;
    bottom: 8px;
    right: 12px;
    font-size: 0.7rem;
    color: #999;
    font-family: monospace;
    z-index: 100;
    pointer-events: none;
}