.nodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.node-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    cursor: pointer;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
                border-color 0.25s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 
                0 1px 2px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.node-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sakura-1), var(--sakura-2), var(--sakura-3));
    opacity: 0;
    transition: opacity 0.25s ease;
}

.node-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.03) 100%);
    pointer-events: none;
}

.node-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08), 
                0 4px 8px rgba(0, 0, 0, 0.04);
    border-color: var(--accent);
}

.node-card:hover::before {
    opacity: 1;
}

.node-card:active {
    transform: translateY(-2px);
    transition: transform 0.1s ease;
}

.node-card.offline {
    opacity: 0.65;
    filter: saturate(0.8);
}

.node-card.offline:hover {
    opacity: 0.85;
}

.node-card.offline::before {
    background: linear-gradient(90deg, var(--danger), #ff8a95);
}

.node-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

.node-card-flag {
    width: 32px;
    height: 24px;
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.node-card:hover .node-card-flag {
    transform: scale(1.05);
}

.node-card-flag-placeholder {
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 600;
}

.node-card-info {
    flex: 1;
    min-width: 0;
}

.node-card-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    flex-wrap: wrap;
    line-height: 1.4;
}

.node-name-text {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

.node-card-os {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.node-card-os .os-icon {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.node-card-subtitle {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
    flex-wrap: nowrap;
    overflow: hidden;
}

.node-api-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--info);
    background: var(--info-light);
    border-radius: 4px;
    white-space: nowrap;
    flex-shrink: 0;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.node-card:hover .node-api-tag {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.node-api-tag.tag-green,
.node-api-tag.tag-success {
    color: var(--success);
    background: var(--success-light);
}

.node-api-tag.tag-red,
.node-api-tag.tag-danger {
    color: var(--danger);
    background: var(--danger-light);
}

.node-api-tag.tag-blue,
.node-api-tag.tag-info {
    color: var(--info);
    background: var(--info-light);
}

.node-api-tag.tag-yellow,
.node-api-tag.tag-warning,
.node-api-tag.tag-orange {
    color: var(--warning);
    background: var(--warning-light);
}

.node-api-tag.tag-purple,
.node-api-tag.tag-pink {
    color: var(--accent);
    background: var(--accent-light);
}

.node-api-tag.tag-cyan {
    color: #0891b2;
    background: #cffafe;
}

.node-api-tag.tag-gray {
    color: var(--text-secondary);
    background: var(--bg-tertiary);
}

.node-region {
    font-size: 1.1rem;
}

.node-status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    flex-shrink: 0;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(76, 175, 125, 0.4);
}

.node-status-dot.offline {
    background: var(--danger);
    animation: none;
    box-shadow: 0 0 8px rgba(232, 102, 138, 0.4);
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.6; 
        transform: scale(0.9);
    }
}

.node-card-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.metric {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.metric-label {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.metric-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06);
}

.metric-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease;
    position: relative;
}

.metric-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.2), transparent);
    border-radius: 4px 4px 0 0;
}

.metric-bar-fill.level-normal {
    background: linear-gradient(90deg, var(--success), #6dd5a0);
}

.metric-bar-fill.level-warning {
    background: linear-gradient(90deg, var(--warning), #f7c948);
}

.metric-bar-fill.level-danger {
    background: linear-gradient(90deg, var(--danger), #ff8a95);
}

.metric-value {
    font-size: 0.88rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.metric-value.level-normal { color: var(--success); }
.metric-value.level-warning { color: var(--warning); }
.metric-value.level-danger { color: var(--danger); }

.metric-full {
    grid-column: 1 / -1;
}

.node-card-footer {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
    font-size: 0.72rem;
    color: var(--text-tertiary);
    overflow: hidden;
}

.node-info-row {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
    max-width: 100%;
    overflow: hidden;
}

.node-uptime {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-weight: 500;
    font-size: 0.68rem;
    padding: 2px 6px;
    border-radius: 6px;
    background: rgba(var(--border-color-rgb), 0.25);
    color: var(--text-secondary);
    flex-shrink: 1;
    min-width: 0;
}

.node-expiry {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 6px;
    transition: transform 0.2s ease;
    flex-shrink: 1;
    min-width: 0;
}

.node-price {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 6px;
    background: rgba(232, 102, 138, 0.15);
    color: var(--accent);
    flex-shrink: 1;
    min-width: 0;
}

.node-card:hover .node-expiry {
    transform: translateY(-1px);
}

.node-expiry.level-normal {
    color: var(--text-secondary);
    background: var(--bg-tertiary);
}

.node-expiry.level-warning {
    color: var(--warning);
    background: var(--warning-light);
}

.node-expiry.level-danger {
    color: var(--danger);
    background: var(--danger-light);
}

.node-expiry.level-expired {
    color: #fff;
    background: var(--danger);
}

.node-network {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    font-weight: 500;
}

.node-network-row {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    max-width: 100%;
    flex-wrap: nowrap;
    overflow: hidden;
}

.node-network-speed {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 1;
    min-width: 0;
}

.node-traffic-tag {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 6px;
    transition: transform 0.2s ease;
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 0;
}

.node-card:hover .node-traffic-tag {
    transform: translateY(-1px);
}

.node-traffic-tag.traffic-tag-up {
    background: rgba(76, 175, 125, 0.25);
    color: #2e9b6a;
}

.node-traffic-tag.traffic-tag-down {
    background: rgba(92, 156, 237, 0.25);
    color: #3d7dd8;
}

.node-traffic-tag.traffic-tag-remaining {
    background: rgba(232, 102, 138, 0.25);
    color: var(--accent);
}

.node-ping {
    font-family: var(--font-mono);
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.72rem;
    transition: transform 0.2s ease;
}

.node-card:hover .node-ping {
    transform: translateY(-1px);
}

.node-ping.level-normal {
    color: var(--success);
    background: var(--success-light);
}

.node-ping.level-warning {
    color: var(--warning);
    background: var(--warning-light);
}

.node-ping.level-danger {
    color: var(--danger);
    background: var(--danger-light);
}

.network-dir {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.network-dir .arrow-up {
    color: var(--success);
}

.network-dir .arrow-down {
    color: var(--info);
}