:root { color-scheme: dark; }
body {
    font-family: system-ui, -apple-system, sans-serif;
    margin: 0;
    background: #0e0f12;
    color: #e8e9ed;
}

header {
    position: sticky;
    top: 0;
    background: #0e0f12;
    border-bottom: 1px solid #2a2d34;
    padding: 1rem 1.25rem;
    z-index: 10;
}

.wrap {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 1.5rem;
    padding: 1rem 1.25rem;
}

/* Pack Grid */
.set {
    border: 1px solid #252830;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    background: #111318;
    overflow: hidden;
}

.set h2 {
    margin: 0;
    padding: 0.75rem 1rem;
    background: #161922;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
}

.pack-list {
    display: grid;
    gap: 0.5rem;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    padding: 1rem;
}

/* Sidebar Panel */
.panel {
    position: sticky;
    top: 5rem;
    background: #111318;
    border: 1px solid #252830;
    border-radius: 0.75rem;
    padding: 1.25rem;
    height: fit-content;
}

.qty-input {
    width: 45px;
    background: #13151b;
    border: 1px solid #2a2d34;
    color: #fff;
    border-radius: 4px;
    padding: 2px 4px;
    text-align: center;
}

button {
    cursor: pointer;
    padding: 0.6rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid #2a2d34;
    background: #171a22;
    color: #fff;
    transition: 0.2s;
}

button#saveSqlBtn {
    background: #2563eb;
    border-color: #3b82f6;
    flex-grow: 1;
}

button#saveSqlBtn:hover { background: #1d4ed8; }