:root {
  --ink: #202223;
  --muted: #6d7175;
  --line: #e1e3e5;
  --surface: #ffffff;
  --canvas: #f6f6f7;
  --green: #008060;
  --green-dark: #006e52;
  --red: #b42318;
  --red-bg: #fff0f0;
  --amber: #8a6116;
  --amber-bg: #fff5df;
  --purple: #6941c6;
  --shadow: 0 1px 0 rgba(0,0,0,.04), 0 2px 5px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.metrics { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.metric-card { display: flex; gap: 13px; align-items: center; min-height: 106px; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow); }
.metric-card--primary { border-color: #9fd8ca; background: linear-gradient(135deg, #f4fffb 0%, #fff 62%); }
.metric-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: #e3f5ef; color: var(--green); font-weight: 750; }
.metric-icon--red { background: var(--red-bg); color: var(--red); }
.metric-icon--amber { background: var(--amber-bg); color: var(--amber); }
.metric-icon--purple { background: #f1edff; color: var(--purple); }
.metric-card span, .metric-card small { display: block; color: var(--muted); }
.metric-card strong { display: block; margin: 1px 0; font-size: 27px; line-height: 1.15; letter-spacing: -.5px; }
.metric-card small { font-size: 12px; }

.queue-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; padding: 20px 20px 0; border-bottom: 1px solid var(--line); }
.queue-header h2 { margin: 0; font-size: 17px; }
.queue-header p { margin: 4px 0 14px; color: var(--muted); font-size: 12px; }
.filter-tabs { display: flex; gap: 2px; overflow-x: auto; }
.filter-tab { white-space: nowrap; border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--muted); padding: 13px 10px 11px; font-weight: 600; }
.filter-tab:hover { color: var(--ink); }
.filter-tab.is-active { color: var(--green-dark); border-color: var(--green); }
.filter-tab span { display: inline-grid; place-items: center; min-width: 20px; height: 19px; margin-left: 4px; padding: 0 5px; border-radius: 10px; background: #eee; font-size: 11px; }
.filter-tab.is-active span { background: #dff3ec; }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; padding: 14px 20px; background: #fafafa; border-bottom: 1px solid var(--line); }
.search-box { position: relative; flex: 1; max-width: 480px; }
.search-box span { position: absolute; left: 12px; top: 7px; font-size: 18px; color: var(--muted); }
.search-box input, .toolbar select { width: 100%; height: 36px; border: 1px solid #babfc3; border-radius: 8px; background: white; color: var(--ink); outline: none; }
.search-box input { padding: 0 12px 0 36px; }
.toolbar select { width: 190px; padding: 0 30px 0 10px; }
#category-select { width: 210px; }
#alert-age-select { width: 205px; }
#sort-select { width: 210px; }
.supplier-tools { display: flex; gap: 8px; margin-left: auto; }
.supplier-tools[hidden] { display: none; }
.supplier-tools select { width: 200px; }
.search-box input:focus, .toolbar select:focus { border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }

.table-wrap { overflow-x: auto; }
.risk-table { width: 100%; border-collapse: collapse; background: white; }
.risk-table th { padding: 12px 14px; background: #f7f7f7; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 650; text-align: left; white-space: nowrap; }
.risk-table td { padding: 14px; border-bottom: 1px solid #ebebeb; vertical-align: middle; }
.risk-table tbody tr { transition: background .15s ease; }
.risk-table tbody tr:hover { background: #f8fbfa; }
.risk-table tbody tr:last-child td { border-bottom: 0; }
.order-link, .tracking-link { color: #005bd3; font-weight: 650; border: 0; background: transparent; padding: 0; text-align: left; }
.customer-name, .carrier-name, .event-location { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }
.event-title { display: block; max-width: 300px; font-weight: 600; color: var(--red); }
.event-title--normal { color: var(--muted); }
.event-latest { display: block; max-width: 270px; }
.transit-time { display: block; white-space: nowrap; font-weight: 650; }
.transit-start { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; white-space: nowrap; }
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill--critical { color: var(--red); background: var(--red-bg); }
.pill--warning { color: var(--amber); background: var(--amber-bg); }
.pill--normal { color: var(--green-dark); background: #e5f6ef; }
.pill--alert { color: var(--red); background: var(--red-bg); }
.pill--in_transit { color: #315b8a; background: #eaf3ff; }
.pill--out_for_delivery { color: var(--amber); background: var(--amber-bg); }
.pill--delivered { color: var(--green-dark); background: #e5f6ef; }
.workflow-pill { display: inline-flex; align-items: center; padding: 5px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.workflow-pill--alert { color: var(--red); background: var(--red-bg); }
.workflow-pill--analysis { color: #315b8a; background: #eaf3ff; }
.workflow-pill--supplier_contacted { color: var(--amber); background: var(--amber-bg); }
.workflow-pill--reshipment { color: var(--purple); background: #f1edff; }
.workflow-pill--finalized { color: var(--green-dark); background: #e5f6ef; }
.workflow-pill--monitoring { color: #315b8a; background: #eaf3ff; }
.tag-preview, .tag-list { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; min-width: 155px; }
.order-tag, .tag-more, .editable-tag { border-radius: 999px; background: #eef1f4; color: #454a4e; font-size: 11px; font-weight: 650; }
.order-tag, .tag-more { display: inline-flex; padding: 4px 8px; }
.order-tag--customer-contacted { background: #dff7ea; color: #067647; border: 1px solid #a6e3c5; }
.tag-more { background: #e5f6ef; color: var(--green-dark); }
.tag-empty, .history-empty { color: var(--muted); font-size: 12px; }
.row-action { border: 1px solid #babfc3; border-radius: 7px; background: white; padding: 6px 10px; font-weight: 600; }
.row-action:hover { border-color: #8c9196; background: #f6f6f7; }
.row-actions { display: flex; justify-content: flex-end; gap: 6px; min-width: 220px; }
.row-action--primary { border-color: var(--green-dark); background: var(--green-dark); color: white; }
.row-action--primary:hover { border-color: #005b46; background: #005b46; }

.empty-state { padding: 58px 20px; text-align: center; background: white; }
.table-pagination { display: flex; justify-content: center; align-items: center; gap: 12px; padding: 14px 20px; color: var(--muted); background: white; border-top: 1px solid var(--line); }
.table-pagination[hidden] { display: none; }
.table-pagination span { font-size: 12px; }
.empty-state > div { display: grid; place-items: center; width: 48px; height: 48px; margin: 0 auto 12px; border-radius: 50%; background: #e3f5ef; color: var(--green); font-size: 20px; }
.empty-state h3 { margin: 0 0 5px; }
.empty-state p { margin: 0; color: var(--muted); }
.footer-note { display: flex; justify-content: center; align-items: center; gap: 8px; color: var(--muted); padding: 22px; font-size: 12px; }
.pulse-dot { width: 7px; height: 7px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 4px #dff3ec; }

.overlay { position: fixed; inset: 0; z-index: 40; background: rgba(15, 23, 42, .34); backdrop-filter: blur(1px); }
.detail-panel { position: fixed; z-index: 50; top: 0; right: 0; width: min(590px, 100vw); height: 100vh; display: flex; flex-direction: column; background: white; box-shadow: -12px 0 35px rgba(0,0,0,.16); transform: translateX(105%); transition: transform .22s ease; }
.detail-panel.is-open { transform: translateX(0); }
.detail-header { display: flex; justify-content: space-between; gap: 16px; padding: 22px 24px 18px; border-bottom: 1px solid var(--line); }
.detail-header h2 { margin: 2px 0; font-size: 20px; }
.detail-header p { margin: 0; color: var(--muted); }
.eyebrow { color: var(--green-dark); font-size: 11px; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; }
.icon-button { width: 36px; height: 36px; flex: 0 0 auto; border: 0; border-radius: 8px; background: #f2f2f2; color: #444; font-size: 25px; line-height: 1; }
.detail-content { flex: 1; overflow-y: auto; padding: 22px 24px; }
.detail-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 24px; border-top: 1px solid var(--line); }
.detail-footer--split { justify-content: space-between; align-items: center; }
.detail-footer-actions { display: flex; gap: 10px; }
.button { min-height: 38px; border-radius: 8px; padding: 8px 14px; font-weight: 700; }
.button--primary { border: 1px solid var(--green-dark); background: var(--green-dark); color: white; }
.button--primary:hover { background: #005b46; }
.button--secondary { border: 1px solid #babfc3; background: white; color: var(--ink); }
.button--api { border: 1px solid #174ea6; background: #eaf3ff; color: #174ea6; }
.button--api:hover { background: #dbeaff; }
.button:disabled { cursor: wait; opacity: .65; }

.workflow-card, .tag-editor, .tracking-update-card { margin-bottom: 16px; padding: 16px; border: 1px solid var(--line); border-radius: 11px; background: #fafafa; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 15px; margin-bottom: 13px; }
.section-heading h3 { margin: 0; font-size: 15px; }
.section-heading span { color: var(--muted); font-size: 11px; }
.workflow-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 7px; }
.workflow-step { position: relative; min-width: 0; text-align: center; color: var(--muted); }
.workflow-step::after { content: ""; position: absolute; z-index: 0; top: 13px; left: calc(50% + 14px); width: calc(100% - 21px); height: 2px; background: var(--line); }
.workflow-step:last-child::after { display: none; }
.workflow-step > span { position: relative; z-index: 1; display: grid; place-items: center; width: 27px; height: 27px; margin: 0 auto 7px; border: 2px solid #c9cccf; border-radius: 50%; background: white; font-size: 11px; font-weight: 750; }
.workflow-step strong, .workflow-step small { display: block; }
.workflow-step strong { font-size: 10px; line-height: 1.25; }
.workflow-step small { display: none; }
.workflow-step.is-complete > span { border-color: var(--green); background: var(--green); color: white; }
.workflow-step.is-complete::after { background: var(--green); }
.workflow-step.is-current { color: var(--green-dark); }
.workflow-step.is-current > span { border-color: var(--green); box-shadow: 0 0 0 3px #dff3ec; }
.workflow-form { display: grid; grid-template-columns: 1fr 1.4fr; gap: 10px; margin-top: 17px; }
.workflow-form label { color: var(--muted); font-size: 11px; font-weight: 650; }
.workflow-form input, .workflow-form textarea, .tag-create input { width: 100%; margin-top: 5px; border: 1px solid #babfc3; border-radius: 8px; background: white; color: var(--ink); outline: none; }
.workflow-form input, .tag-create input { height: 38px; padding: 0 10px; }
.workflow-form textarea { min-height: 72px; padding: 9px 10px; resize: vertical; }
.workflow-form input:focus, .workflow-form textarea:focus, .tag-create input:focus { border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }
.editable-tag { border: 0; padding: 5px 8px 5px 10px; }
.editable-tag.order-tag--customer-contacted { border: 1px solid #a6e3c5; }
.editable-tag:hover { background: #fbe4e3; color: var(--red); }
.editable-tag span { margin-left: 3px; font-size: 14px; line-height: 10px; }
.tag-create { display: flex; gap: 8px; margin-top: 11px; }
.tag-create input { margin-top: 0; }
.tracking-update-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tracking-update-grid label, .notify-option { color: var(--muted); font-size: 11px; font-weight: 650; }
.tracking-update-grid input { width: 100%; height: 38px; margin-top: 5px; padding: 0 10px; border: 1px solid #babfc3; border-radius: 8px; background: white; outline: none; }
.tracking-update-grid input:focus { border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }
.tracking-url-field { grid-column: 1 / -1; }
.notify-option { display: flex; align-items: center; gap: 7px; margin: 11px 0; }
.notify-option input { margin: 0; }
.supplier-response { margin-bottom: 12px; padding: 10px 12px; border-radius: 8px; background: #eefaf6; border: 1px solid #b8e3d4; }
.supplier-response strong { color: var(--green-dark); font-size: 12px; }
.supplier-response p { margin: 3px 0 0; }
.case-history { margin: 0 0 22px; border-left: 2px solid var(--line); }
.case-history-item { position: relative; padding: 0 0 14px 17px; }
.case-history-item::before { content: ""; position: absolute; top: 5px; left: -6px; width: 9px; height: 9px; border-radius: 50%; background: var(--green); }
.case-history-item strong, .case-history-item span { display: block; }
.case-history-item span { color: var(--muted); font-size: 11px; }
.case-history-item p { margin: 4px 0 0; }
.logistics-title { margin-top: 6px; padding-top: 18px; border-top: 1px solid var(--line); }

.alert-summary { padding: 14px; border: 1px solid #f5c2c0; border-radius: 10px; background: var(--red-bg); }
.alert-summary h3 { margin: 0 0 4px; color: var(--red); font-size: 14px; }
.alert-summary p { margin: 0; }
.alert-summary--normal { border-color: #b8e3d4; background: #eefaf6; }
.alert-summary--normal h3 { color: var(--green-dark); }
.summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 14px 0 22px; }
.summary-item { padding: 12px; border: 1px solid var(--line); border-radius: 9px; }
.summary-item span { display: block; color: var(--muted); font-size: 11px; }
.summary-item strong { display: block; margin-top: 3px; }
.timeline-title { margin: 0 0 15px; font-size: 15px; }
.timeline { position: relative; padding-left: 25px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 10px; bottom: 10px; width: 2px; background: var(--line); }
.timeline-event { position: relative; padding: 0 0 20px; }
.timeline-event::before { content: ""; position: absolute; left: -22px; top: 5px; width: 10px; height: 10px; border: 2px solid white; border-radius: 50%; background: #8c9196; box-shadow: 0 0 0 2px #8c9196; }
.timeline-event.is-alert { margin: 0 -8px 18px; padding: 12px 10px 12px 33px; background: var(--red-bg); border: 1px solid #f5c2c0; border-radius: 10px; }
.timeline-event.is-alert::before { left: 4px; top: 17px; background: var(--red); box-shadow: 0 0 0 2px var(--red); }
.timeline-event.is-latest::before { background: var(--green); box-shadow: 0 0 0 2px var(--green); }
.timeline-event time { color: var(--muted); font-size: 11px; }
.timeline-event strong { display: block; margin: 2px 0; }
.event-flags { display: flex; gap: 6px; margin-top: 7px; }
.flag { padding: 2px 6px; border-radius: 5px; background: white; border: 1px solid var(--line); color: var(--muted); font-size: 10px; font-weight: 700; }
.rule-card { padding: 15px 0; border-bottom: 1px solid var(--line); }
.rule-card:first-child { padding-top: 0; }
.rule-card h3 { margin: 0 0 4px; font-size: 14px; }
.rule-card p { margin: 0 0 9px; color: var(--muted); font-size: 12px; }
.term-list { display: flex; flex-wrap: wrap; gap: 5px; }
.term { padding: 3px 7px; border-radius: 6px; background: #f1f2f3; color: #4a4f53; font-size: 11px; }
.carrier-settings { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.settings-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.settings-heading h3, .alert-rules > h3 { margin: 0 0 5px; font-size: 15px; }
.settings-heading p, .settings-help { margin: 0; color: var(--muted); font-size: 12px; }
.carrier-labels, .carrier-mapping-row { display: grid; grid-template-columns: 90px 1fr 140px 42px; gap: 8px; align-items: center; }
.carrier-labels { margin-bottom: 6px; color: var(--muted); font-size: 11px; font-weight: 700; }
.carrier-mapping-row { margin-bottom: 8px; }
.carrier-mapping-row input { width: 100%; min-width: 0; padding: 9px 10px; border: 1px solid #b5b7ba; border-radius: 8px; background: white; font: inherit; }
.carrier-mapping-row input:focus { border-color: var(--green); outline: 2px solid rgba(0, 128, 96, .14); }
#save-carrier-mappings { margin-top: 6px; }
.settings-help { margin-top: 10px; }
.alert-rules { padding-top: 22px; }
.toast { position: fixed; z-index: 80; bottom: 24px; left: 50%; transform: translate(-50%, 20px); padding: 10px 14px; border-radius: 8px; background: #202223; color: white; opacity: 0; pointer-events: none; transition: .2s ease; box-shadow: 0 8px 25px rgba(0,0,0,.22); }
.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 980px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .queue-header { display: block; }
  .filter-tabs { margin-top: 5px; }
}
@media (max-width: 620px) {
  .metrics { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; }
  .search-box, .toolbar select { max-width: none; width: 100%; }
  #category-select, #alert-age-select, #sort-select { width: 100%; }
  .supplier-tools { width: 100%; margin-left: 0; flex-direction: column; }
  .tracking-update-grid { grid-template-columns: 1fr; }
  .tracking-url-field { grid-column: auto; }
  .summary-grid { grid-template-columns: 1fr; }
  .workflow-form { grid-template-columns: 1fr; }
  .carrier-labels { display: none; }
  .carrier-mapping-row { grid-template-columns: 1fr 1fr 42px; }
  .carrier-mapping-row .carrier-code { grid-column: 1 / 3; }
  .detail-footer--split { align-items: stretch; flex-direction: column; }
  .detail-footer-actions { justify-content: flex-end; }
}