.grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    /* selalu 5 kotak per baris */
    gap: 20px;
}

.grid.scrollable {
    height: calc(100vh - 220px);
    overflow-y: hidden;
    padding-right: 10px;
}

/* Card modern transparan */
.card {
    background: rgba(255, 255, 255, 0.05);
    /* tipis transparan */
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 15px;
    backdrop-filter: blur(6px);
    /* efek kaca modern */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* Kotak judul elegan */
.header-box {
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    /* gradasi ungu-biru */
    color: #fff;
    text-align: center;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.header-box h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.5px;
}

.header-box .kelas {
    font-size: 16px;
    font-weight: 600;
    margin-top: 5px;
    opacity: 0.9;
}

/* Kotak info modern */
.info-box {
    display: flex;
    flex-direction: column;
    /* BED di atas, row di bawah */
    gap: 12px;
    margin-bottom: 12px;
}

.box {
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    color: #fff;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
}

.box:hover {
    transform: translateY(-3px);
}

.total {
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    /* biru gradasi */
}

.terisi {
    background: linear-gradient(135deg, #11998e, #38ef7d);
    /* merah gradasi */
}

.kosong {
    background: linear-gradient(135deg, #ff416c, #ff4b2b);
    /* hijau gradasi */
}

.box span {
    display: block;
    font-size: 1.4em;
    margin-top: 6px;
}

/* Tambahan untuk row bawah */
.bottom-row {
    display: flex;
    gap: 12px;
}

.bottom-row .box {
    flex: 1;
    /* TERISI dan KOSONG bagi rata */
}