.activity {
    background: var(--color-bg);
    padding: 3rem 1.5rem;
    border-top: 1px solid var(--color-border);
}

.activity-heading {
    max-width: 900px;
    margin: 0 auto 1.5rem;
    text-align: center;
}

.activity-heading h2 {
    color: var(--color-text);
    font-size: 1.4rem;
    margin: 0 0 0.4rem;
    font-weight: 600;
}

.activity-heading p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.activity-list {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(28, 28, 30, 0.06);
    padding: 0.5rem;
}

.activity-row {
    display: grid;
    grid-template-columns: 84px 1fr auto auto;
    align-items: center;
    gap: 1.25rem;
    padding: 0.85rem 1rem;
    border-radius: 8px;
    color: var(--color-text);
    min-width: 0;
    transition: background-color 0.15s ease;
}

.activity-row:hover {
    background: var(--color-bg-alt);
}

.activity-row + .activity-row {
    border-top: 1px solid var(--color-border);
}

.activity-row:hover + .activity-row,
.activity-row:has(+ .activity-row:hover) {
    border-top-color: transparent;
}

.activity-date {
    color: var(--color-text-faint);
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
}

.activity-main {
    min-width: 0;
    overflow: hidden;
}

.activity-site {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.activity-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 0.15rem;
}

.activity-tech {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-red);
    background: var(--color-red-light);
    border-radius: 999px;
    padding: 0.3rem 0.7rem;
    white-space: nowrap;
}

.activity-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
    border-radius: 999px;
    padding: 0.3rem 0.7rem;
}

.activity-status .icon {
    width: 13px;
    height: 13px;
}

.activity-status--deployed,
.activity-status--delivered {
    color: var(--color-success);
    background: var(--color-success-bg);
}

.activity-status--commissioning {
    color: var(--color-warning);
    background: var(--color-warning-bg);
}

.activity-status--commissioning .icon {
    animation: activity-spin 1.4s linear infinite;
}

@keyframes activity-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .activity-status--commissioning .icon {
        animation: none;
    }
}

/* Grid 4-kolom (tanggal | site+meta | tech | status) sejajar cuma muat di
   layar lebar -- di tablet/mobile disusun ulang jadi kartu 2 baris supaya
   tiap kolom tetap kebaca penuh, bukan terpotong. */
@media (max-width: 767px) {
    .activity {
        padding: 2rem 1rem;
    }
    .activity-heading h2 {
        font-size: 1.2rem;
    }
    .activity-list {
        padding: 0.35rem;
    }
    .activity-row {
        grid-template-columns: 1fr auto;
        grid-template-areas:
            "main main"
            "date status"
            "tech tech";
        row-gap: 0.5rem;
        gap: 0.5rem;
        padding: 0.75rem 0.6rem;
    }
    .activity-date {
        grid-area: date;
    }
    .activity-main {
        grid-area: main;
    }
    .activity-tech {
        grid-area: tech;
        justify-self: start;
    }
    .activity-status {
        grid-area: status;
        justify-self: end;
    }
}