* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background: #f0f4f8;
    display: flex;
    justify-content: center;
    padding: 20px;
    margin: 0;
}
.container {
    max-width: 1200px;
    width: 100%;
    background: white;
    border-radius: 24px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
h1 {
    font-size: 26px;
    border-bottom: 4px solid #2c7be5;
    padding-bottom: 12px;
    color: #1a2639;
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.count-badge {
    font-size: 15px;
    background: #e2e8f0;
    padding: 4px 16px;
    border-radius: 40px;
    color: #2d3748;
    font-weight: normal;
}
.search-box {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    border: 2px solid #dce4ec;
    border-radius: 14px;
    margin: 15px 0 20px 0;
    transition: 0.2s;
    background: #fafcff;
}
.search-box:focus {
    outline: none;
    border-color: #2c7be5;
    box-shadow: 0 0 0 4px rgba(44,123,229,0.15);
}
.row {
    display: flex;
    flex-direction: row;
    gap: 25px;
    flex-wrap: wrap;
}
.list-panel {
    flex: 1.2;
    min-width: 300px;
    max-height: 600px;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: #ffffff;
}
.list-panel::-webkit-scrollbar {
    width: 6px;
}
.list-panel::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 10px;
}
.mcu-item {
    padding: 12px 18px;
    border-bottom: 1px solid #edf2f7;
    cursor: pointer;
    transition: 0.15s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.mcu-item:last-child {
    border-bottom: none;
}
.mcu-item:hover {
    background: #eef6ff;
}
.mcu-item.active {
    background: #2c7be5;
    color: white;
    border-radius: 0;
}
.mcu-item .badge {
    font-size: 11px;
    background: #e2e8f0;
    padding: 3px 12px;
    border-radius: 30px;
    color: #2d3748;
    white-space: nowrap;
}
.mcu-item.active .badge {
    background: rgba(255,255,255,0.25);
    color: white;
}
.detail-panel {
    flex: 2.5;
    min-width: 320px;
    background: #f8fafc;
    border-radius: 16px;
    padding: 22px 28px;
    border: 1px solid #e2e8f0;
}
.detail-panel .empty-state {
    color: #94a3b8;
    text-align: center;
    padding: 50px 0;
    font-size: 15px;
}
.detail-panel h2 {
    margin-top: 0;
    color: #0b1e33;
    border-bottom: 2px dashed #dce4ec;
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 25px;
    margin-top: 18px;
}
.detail-item {
    display: flex;
    flex-direction: column;
}
.detail-item .label {
    font-size: 12px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.detail-item .value {
    font-size: 16px;
    font-weight: 500;
    color: #0f172a;
    margin-top: 3px;
}
.boot-tag {
    display: inline-block;
    padding: 5px 18px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 4px;
}
.boot-yes {
    background: #dcfce7;
    color: #166534;
}
.boot-no {
    background: #fee2e2;
    color: #991b1b;
}
.boot-loader {
    background: #fef9c3;
    color: #854d0e;
}
.series-tag {
    background: #dbeafe;
    color: #1e40af;
    padding: 2px 14px;
    border-radius: 30px;
    font-size: 13px;
}
@media (max-width: 700px) {
    .row {
        flex-direction: column;
    }
    .list-panel {
        max-height: 300px;
    }
    .detail-grid {
        grid-template-columns: 1fr;
    }
}