.worktime-backfill-page {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: #f7f8fc;
    padding: 1rem;
    border-radius: 0.75rem;
}

.worktime-card {
    border: 1px solid #e5e7eb;
    background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
}

.worktime-hero {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.worktime-hero-copy {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.worktime-hero-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0f172a;
}

.worktime-hero-text {
    color: #475569;
    font-size: 0.94rem;
    max-width: 46rem;
}

.month-switcher {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: nowrap;
    padding: 0.8rem 0.95rem;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.9);
}

.month-switcher-copy {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
    min-width: 0;
    flex: 1 1 auto;
}

.month-switcher-label {
    color: #64748b;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.month-label {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f172a;
}

.icon-button {
    border-radius: 10px;
    min-width: 42px;
}

.month-nav {
    background: #e7f0fb !important;
    color: #1f2937 !important;
}

.worktime-filter-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.worktime-filter-field,
.worktime-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.worktime-filter-field label,
.worktime-field label,
.worktime-detail-label,
.worktime-summary-label {
    font-size: 0.85rem;
    color: #475569;
}

.worktime-filter-summary {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    justify-content: center;
    padding: 0.75rem;
    border-radius: 1rem;
    background: #ffffff;
    border: 1px solid #dbeafe;
    min-height: 100%;
}

.worktime-summary-value,
.worktime-detail-value {
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
}

.worktime-entry-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.worktime-field input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    border: 1px solid #d1d5db;
    background: #ffffff;
    color: #0f172a;
}

.worktime-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.worktime-list-header {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.worktime-detail {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 0.75rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
}

.worktime-row-selected {
    outline: 2px solid #22c55e;
    background: #dcfce7;
}

.worktime-col-weekday,
.worktime-col-time {
    display: none;
}

@media (min-width: 640px) {
    .worktime-col-weekday,
    .worktime-col-time {
        display: block;
    }

    .worktime-entry-grid {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .worktime-field {
        flex: 1 1 calc(50% - 0.375rem);
        min-width: 180px;
    }
}

@media (min-width: 960px) {
    .worktime-hero {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

    .worktime-filter-row {
        flex-direction: row;
        align-items: end;
    }

    .worktime-filter-field {
        flex: 1 1 auto;
    }

    .worktime-filter-summary {
        min-width: 240px;
    }

    .worktime-field {
        flex: 1 1 calc(25% - 0.5625rem);
    }

    .month-switcher {
        min-width: 280px;
    }
}