.system-notice {
    align-items: center;
    background: #fff7d6;
    border-bottom: 2px solid #f59e0b;
    color: #78350f;
    display: flex;
    gap: 12px;
    padding: 12px 20px;
    position: sticky;
    top: 0;
    z-index: 45;
}

.system-notice[hidden] {
    display: none;
}

.system-notice--started {
    background: #fee2e2;
    border-bottom-color: #dc2626;
    color: #7f1d1d;
}

.system-notice--completed {
    background: #dcfce7;
    border-bottom-color: #16a34a;
    color: #14532d;
}

.system-notice__icon {
    flex: 0 0 auto;
    font-size: 28px;
}

.system-notice__body {
    align-items: baseline;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 10px;
}

.system-notice__title {
    font-size: 14px;
}

.system-notice__message,
.system-notice__time {
    font-size: 13px;
}

.system-notice__time {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
}

.dark .system-notice {
    background: #422006;
    color: #fef3c7;
}

.dark .system-notice--started {
    background: #450a0a;
    color: #fee2e2;
}

.dark .system-notice--completed {
    background: #052e16;
    color: #dcfce7;
}

@media (max-width: 640px) {
    .system-notice {
        align-items: flex-start;
        padding: 10px 14px;
    }

    .system-notice__body {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
    }
}