:root {
    --bs-body-bg: #0f1114;
    --bs-body-color: #e9ecef;
    --card-bg: #1a1d21;
    --neon-blue: #0d6efd;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    padding-bottom: 50px;
}

.navbar {
    background-color: rgba(15, 17, 20, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #2d3238;
}

.category-header {
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #2d3238;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.category-header i {
    margin-right: 10px;
    color: var(--neon-blue);
}

.card {
    background-color: var(--card-bg);
    border: 1px solid #2d3238;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border-radius: 12px;
}

.card:hover {
    transform: translateY(-5px);
    /* Sombra estilo Neon */
    box-shadow: 0 0 15px rgba(13, 110, 253, 0.4), 0 0 5px rgba(13, 110, 253, 0.2);
    border-color: var(--neon-blue);
}

/* Status Dot */
.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.status-online {
    background-color: #28a745;
    box-shadow: 0 0 8px #28a745;
}

.status-offline {
    background-color: #dc3545;
    box-shadow: 0 0 8px #dc3545;
}

.status-checking {
    background-color: #ffc107;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

.modal-content {
    background-color: var(--card-bg);
    border: 1px solid #2d3238;
    border-radius: 16px;
}

.instance-list-item {
    border-bottom: 1px solid #2d3238;
    padding: 12px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.instance-list-item:last-child {
    border-bottom: none;
}