.operational-screen { display: grid; gap: 16px; }
.screen-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.screen-heading h1 { margin: 0; font-size: clamp(1.55rem, 5vw, 2.1rem); }
.screen-heading p { margin: 5px 0 0; }
.screen-status { min-height: 24px; margin: 0; }
.notice-success { color: #075b42; font-weight: 750; }
.notice-warning { color: #6f4b00; font-weight: 750; }
.notice-error { color: #8b1e1e; font-weight: 750; }
.notice-info { color: #31504c; }

.master-layout, .history-layout, .purchase-layout, .admin-users-layout { display: grid; gap: 16px; }
.master-list { display: grid; gap: 8px; margin-top: 12px; }
.master-list-row { width: 100%; min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid #d7e1df; border-radius: 12px; padding: 12px; background: #fbfdfc; color: #152020; text-align: left; }
.master-list-row:hover { background: #edf7f5; }
.master-list-row > span, .admin-user-summary > span { min-width: 0; display: grid; gap: 4px; }
.master-list-row strong, .master-list-row small { overflow-wrap: anywhere; }
.master-row-meta { flex: 0 0 auto; text-align: right; color: #31504c; font-weight: 750; }
.editor-panel, .detail-panel, .purchase-summary { min-width: 0; }
.editor-heading, .detail-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.editor-heading h2, .detail-heading h2 { margin: 0; }
.status-chip { display: inline-flex; align-items: center; width: fit-content; border-radius: 999px; padding: 6px 9px; background: #e9f5f2; color: #064f4d; font-size: .78rem; font-weight: 850; }
.entity-form { display: grid; gap: 14px; margin-top: 16px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.checkbox-field { min-height: 44px; display: flex; align-items: center; gap: 9px; border: 1px solid #d7e1df; border-radius: 10px; padding: 9px 11px; background: #fbfdfc; }
.checkbox-field input { width: 20px; height: 20px; }
.stack-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

.filter-bar { display: grid; grid-template-columns: 1fr; gap: 10px; }
.detail-grid, .configuration-grid { display: grid; grid-template-columns: minmax(120px, .8fr) minmax(0, 1.2fr); gap: 8px 14px; }
.detail-grid dt, .configuration-grid dt { color: #425351; font-weight: 700; }
.detail-grid dd, .configuration-grid dd { margin: 0; overflow-wrap: anywhere; }
.detail-lines { display: grid; gap: 8px; }
.detail-line { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 9px 0; border-bottom: 1px solid #e0e8e6; }
.timeline-list { display: grid; gap: 7px; margin: 0; padding-left: 20px; }

.purchase-editor { min-width: 0; }
.purchase-product-list { display: grid; gap: 7px; max-height: 300px; overflow: auto; margin-top: 10px; }
.purchase-line { grid-template-columns: minmax(0, 1fr); }
.quantity-input { width: 92px; min-width: 76px; }
.success-card { display: grid; gap: 4px; margin-top: 14px; border: 1px solid #abd9ca; border-radius: 12px; padding: 12px; background: #effaf6; color: #064f4d; }

.tab-row { display: flex; flex-wrap: wrap; gap: 9px; }
.admin-panel { min-width: 0; }
.admin-user-summary { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.readonly-callout { margin-bottom: 16px; border: 1px solid #cbd8d5; border-radius: 12px; padding: 12px; background: #f7faf9; }
.readonly-callout p { margin: 5px 0 0; }

.sw-update-banner { position: fixed; z-index: 45; left: 12px; right: 12px; top: 72px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid #a6cfc5; border-radius: 14px; padding: 12px 14px; background: #f2fbf8; box-shadow: 0 10px 28px rgba(9, 42, 39, .16); }
.sw-update-banner h2 { margin: 0; font-size: 1rem; }
.sw-update-banner p { margin: 3px 0 0; color: #31504c; font-size: .86rem; }
.safe-error-screen { width: min(100%, 620px); margin: 24px auto; }
.receipt-text-preview { max-height: 56vh; overflow: auto; white-space: pre-wrap; word-break: break-word; border: 1px solid #d7e1df; border-radius: 12px; padding: 12px; background: #fbfdfc; }

@media (min-width: 640px) {
  .filter-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .master-layout { grid-template-columns: minmax(260px, .8fr) minmax(0, 1.3fr); align-items: start; }
  .history-layout { grid-template-columns: minmax(300px, .85fr) minmax(0, 1.25fr); align-items: start; }
  .purchase-layout { grid-template-columns: minmax(0, 1.55fr) minmax(300px, .75fr); align-items: start; }
  .purchase-summary { position: sticky; top: 94px; }
  .admin-users-layout { grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); align-items: start; }
  .filter-bar { grid-template-columns: repeat(5, minmax(0, 1fr)) auto; }
  .checkbox-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sw-update-banner { left: 212px; top: 82px; }
}