:root {
  color-scheme: dark;
  --bg: #091012;
  --surface: #10191c;
  --surface-raised: #162226;
  --surface-deep: #0c1416;
  --line: #28383c;
  --line-soft: #1d2a2e;
  --text: #edf3f2;
  --muted: #94a6a8;
  --faint: #63767a;
  --accent: #38c4c7;
  --accent-soft: rgba(56, 196, 199, .13);
  --green: #64d6a2;
  --amber: #f3b75b;
  --red: #ef756f;
  --radius: 12px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

* { box-sizing: border-box; }
html, body { min-width: 320px; min-height: 100%; }
body { margin: 0; background: var(--bg); }
button, select, input { font: inherit; }
button { cursor: pointer; }
.is-hidden { display: none !important; }

.app-shell { width: min(1600px, 100%); min-height: 100dvh; margin: 0 auto; padding: 20px 28px 20px; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line-soft); }
.brand-lockup, .topbar-meta, .control-group, .live-indicator, .map-legend, .map-footer, .bus-toolbar-controls { display: flex; align-items: center; }
.brand-lockup { gap: 12px; }
.brand-mark { width: 34px; height: 34px; display: flex; align-items: end; gap: 3px; padding: 8px; border: 1px solid var(--accent); border-radius: 9px; }
.brand-mark span { width: 4px; background: var(--accent); border-radius: 2px 2px 0 0; }
.brand-mark span:nth-child(1) { height: 8px; opacity: .55; }
.brand-mark span:nth-child(2) { height: 14px; }
.brand-mark span:nth-child(3) { height: 10px; opacity: .75; }
.eyebrow { margin: 0 0 4px; color: var(--accent); font: 600 10px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 18px; letter-spacing: -.02em; }
h2 { margin-bottom: 0; font-size: 15px; letter-spacing: -.01em; }
h3 { margin-bottom: 8px; font-size: 16px; }
.topbar-meta { gap: 13px; color: var(--muted); font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.live-indicator { gap: 7px; color: var(--green); }
.live-indicator > span:first-child { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(100, 214, 162, .1); }
.topbar-divider { width: 1px; height: 17px; background: var(--line); }
.button { border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--text); padding: 8px 12px; font-size: 11px; transition: border-color .16s, background .16s, transform .16s; }
.button:hover { border-color: var(--accent); background: var(--accent-soft); }
.button:active { transform: translateY(1px); }
.button:focus-visible, .view-tab:focus-visible, .filter-button:focus-visible, .select-control:focus-visible, input:focus-visible, tbody tr:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.button-small { padding: 6px 9px; font-size: 10px; }

main { flex: 1; min-height: 0; padding-top: 16px; display: flex; flex-direction: column; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.metric-card, .panel { border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--surface); }
.metric-card { min-height: 92px; padding: 14px 16px; }
.metric-card-primary { border-color: rgba(56, 196, 199, .4); background: linear-gradient(135deg, rgba(56, 196, 199, .12), var(--surface) 72%); }
.metric-label, .control-label { color: var(--muted); font-size: 11px; }
.metric-value { margin-top: 12px; font: 700 25px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -.06em; }
.metric-value-warning { color: var(--amber); }
.metric-value-danger { color: var(--red); }
.metric-note { margin-top: 6px; color: var(--faint); font-size: 10px; }

.view-tabs { display: flex; align-items: center; gap: 2px; margin: 15px 0 10px; border-bottom: 1px solid var(--line-soft); }
.view-tab { border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); padding: 9px 13px 10px; font: 600 11px ui-monospace, SFMono-Regular, Menlo, monospace; transition: color .16s, border-color .16s, background .16s; }
.view-tab:hover, .view-tab.is-active { border-bottom-color: var(--accent); color: var(--text); }
.view-tab.is-active { background: linear-gradient(to top, var(--accent-soft), transparent); }
.tab-index { margin-right: 8px; color: var(--faint); font-size: 9px; }
.tab-count { display: inline-grid; place-items: center; min-width: 16px; height: 16px; margin-left: 5px; padding: 0 4px; border-radius: 999px; background: var(--red); color: #140b0b; font: 800 9px ui-monospace, SFMono-Regular, Menlo, monospace; }
.view-status { margin-left: auto; padding: 0 2px 10px 12px; color: var(--faint); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; }
.view-panel { min-height: 0; flex: 1; display: flex; flex-direction: column; }
.view-panel.is-hidden { display: none; }

.risk-banner { width: 100%; margin: 0 0 8px; padding: 9px 13px; border: 1px solid rgba(239, 117, 111, .45); border-radius: 9px; background: rgba(239, 117, 111, .1); color: var(--red); text-align: left; font: 600 10px ui-monospace, SFMono-Regular, Menlo, monospace; }
.risk-banner:hover { background: rgba(239, 117, 111, .16); }
.focus-strip { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0 0 8px; padding: 7px 11px; border: 1px solid rgba(243, 183, 91, .35); border-radius: 8px; background: rgba(243, 183, 91, .08); color: var(--amber); font-size: 11px; }
.focus-strip strong { margin-right: 8px; }

.control-strip { display: flex; justify-content: space-between; gap: 14px; margin-bottom: 9px; padding: 9px 12px; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.control-group { gap: 8px; flex-wrap: wrap; }
.control-group-right { justify-content: flex-end; }
.control-label { margin-right: 1px; font: 600 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.service-filters { display: flex; gap: 5px; flex-wrap: wrap; }
.service-filter-button, .select-control { border: 1px solid var(--line); border-radius: 7px; background: transparent; color: var(--muted); padding: 6px 9px; font-size: 11px; }
.service-filter-button { white-space: nowrap; }
.service-filter-button:hover, .service-filter-button.is-active { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.select-control { appearance: none; color: var(--text); padding-right: 25px; }
.select-control option { background: var(--surface); color: var(--text); }
.network-status, .table-count { color: var(--faint); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; }

.workspace-grid { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(300px, .7fr); gap: 10px; min-height: 0; flex: 1; }
.workspace-map-grid, .bus-workspace-grid { min-height: 0; }
.panel { overflow: hidden; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 15px; border-bottom: 1px solid var(--line-soft); }
.map-heading { min-height: 62px; }
.map-legend { gap: 11px; color: var(--muted); font-size: 10px; }
.map-legend span { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.legend-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; }
.legend-dot.on-time { background: var(--green); }
.legend-dot.caution { background: var(--amber); }
.legend-dot.delayed { background: var(--red); }
.legend-dot.unavailable { background: var(--faint); }
.legend-line { display: inline-block; width: 12px; height: 2px; background: var(--accent); }
.map-panel, .detail-panel, .bus-side { min-height: 0; display: flex; flex-direction: column; }
.map { min-height: 380px; height: calc(100dvh - 330px); flex: 1; background: #d5d7d3; }
.leaflet-container { font-family: inherit; }
.leaflet-control-zoom a { background: var(--surface) !important; color: var(--text) !important; border-color: var(--line) !important; }
.route-path { stroke: #75868a; stroke-width: 1.4; opacity: .4; }
.route-path.regional { stroke: var(--accent); opacity: .38; }
.bus-route-path { stroke: var(--accent); stroke-width: 1.4; opacity: .22; }
.bus-route-path:hover { opacity: .8; }
.map-footer { justify-content: space-between; gap: 10px; padding: 8px 13px; color: var(--faint); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; }
.detail-panel { min-height: 0; }
.status-badge { border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; color: var(--muted); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; }
.status-badge.on-time { border-color: rgba(100, 214, 162, .35); color: var(--green); }
.status-badge.caution { border-color: rgba(243, 183, 91, .35); color: var(--amber); }
.status-badge.delayed, .status-badge.track-risk { border-color: rgba(239, 117, 111, .45); color: var(--red); }
.empty-detail { display: grid; place-items: center; align-content: center; min-height: 300px; padding: 25px; text-align: center; color: var(--muted); }
.empty-detail p { max-width: 245px; margin-bottom: 0; font-size: 12px; line-height: 1.55; }
.empty-crosshair { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 16px; border: 1px dashed var(--faint); border-radius: 50%; color: var(--accent); font: 22px ui-monospace, SFMono-Regular, Menlo, monospace; }
.detail-content { padding: 15px; overflow: auto; }
.detail-route { color: var(--accent); font: 700 22px ui-monospace, SFMono-Regular, Menlo, monospace; }
.detail-train { margin-top: 3px; color: var(--muted); font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.detail-destination { margin: 14px 0 15px; font-size: 16px; line-height: 1.25; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.detail-fact { padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.detail-fact:nth-child(odd) { margin-right: 10px; }
.detail-fact:nth-last-child(-n+2) { border-bottom: 0; }
.detail-fact-label { color: var(--faint); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .07em; }
.detail-fact-value { margin-top: 5px; color: var(--text); font-size: 12px; }
.detail-position { margin-top: 15px; padding: 10px; border: 1px solid var(--line-soft); background: var(--surface-raised); color: var(--muted); font: 10px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; }
.detail-motion-note { color: var(--accent); }

.train-marker, .bus-marker { border: 0; background: transparent; }
.train-marker-core, .bus-marker-core { width: 12px; height: 12px; border: 2px solid #081012; border-radius: 50%; box-shadow: 0 0 0 2px currentColor, 0 0 14px currentColor; }
.train-marker-core.on-time { color: var(--green); background: var(--green); }
.train-marker-core.caution { color: var(--amber); background: var(--amber); }
.train-marker-core.delayed { color: var(--red); background: var(--red); }
.train-marker-core.track-stop { color: var(--red); background: #fff0ee; box-shadow: 0 0 0 3px var(--red), 0 0 18px var(--red); }
.bus-marker-core { color: var(--faint); background: var(--faint); width: 9px; height: 9px; box-shadow: 0 0 0 2px rgba(99, 118, 122, .4); }
.leaflet-popup-content-wrapper, .leaflet-popup-tip { background: var(--surface-raised); color: var(--text); }
.leaflet-popup-content { margin: 10px 12px; font-size: 11px; }
.popup-title { font-weight: 700; margin-bottom: 4px; }
.popup-muted { color: var(--muted); }
.popup-risk { margin-top: 5px; color: var(--red); font: 600 10px ui-monospace, SFMono-Regular, Menlo, monospace; }

.trip-intro { padding: 4px 2px 14px; }
.trip-intro h2 { margin: 0; font-size: clamp(24px, 7vw, 38px); letter-spacing: -.04em; }
.trip-intro p { max-width: 42ch; margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
.trip-lookup { display: grid; gap: 14px; padding: 14px; }
.trip-lookup-block label { display: block; margin-bottom: 7px; color: var(--faint); font: 600 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .07em; text-transform: uppercase; }
.trip-input { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 8px; outline: none; background: var(--surface-raised); color: var(--text); padding: 9px 11px; font-size: 16px; }
.trip-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.trip-divider { display: flex; align-items: center; gap: 9px; color: var(--faint); font-size: 11px; }
.trip-divider::before, .trip-divider::after { content: ''; flex: 1; height: 1px; background: var(--line-soft); }
.trip-stop-input-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px; }
.trip-action-row { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.trip-search-status { color: var(--muted); font-size: 10px; }
.trip-search-results { margin-top: 7px; overflow: hidden; }
.trip-result { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 0; border-bottom: 1px solid var(--line-soft); background: transparent; color: var(--text); padding: 11px 2px; text-align: left; }
.trip-result strong { display: block; font-size: 13px; }
.trip-result small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.3; }
.trip-result-arrow { color: var(--accent); font-size: 18px; }
.trip-result:hover, .trip-result:focus-visible, .trip-stop-row:hover, .trip-stop-row:focus-visible { background: var(--accent-soft); outline: none; }
.trip-search-empty, .trip-empty { padding: 10px 2px; color: var(--muted); font-size: 11px; }
.trip-layout { display: grid; gap: 10px; margin-top: 10px; }
.trip-impact, .trip-stops { min-height: 0; }
.trip-panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; padding: 15px; border-bottom: 1px solid var(--line-soft); }
.trip-panel-heading h3 { margin: 0; font-size: 15px; }
.trip-panel-heading p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.35; }
.trip-primary-arrival, .trip-primary-empty { display: flex; align-items: center; gap: 14px; min-height: 104px; padding: 18px 15px; border-bottom: 1px solid var(--line-soft); }
.trip-primary-time { color: var(--accent); font: 700 clamp(32px, 11vw, 56px) ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -.06em; white-space: nowrap; }
.trip-primary-copy strong, .trip-primary-copy span, .trip-primary-copy small { display: block; }
.trip-primary-copy strong { font-size: 16px; }
.trip-primary-copy span { margin-top: 4px; color: var(--text); font-size: 12px; line-height: 1.35; }
.trip-primary-copy small { margin-top: 6px; color: var(--muted); font-size: 10px; }
.trip-primary-empty { align-items: flex-start; flex-direction: column; justify-content: center; color: var(--muted); font-size: 12px; }
.trip-primary-empty strong { color: var(--text); }
.trip-impact-details { display: grid; gap: 0; }
.trip-impact-line { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 10px; padding: 10px 15px; border-bottom: 1px solid var(--line-soft); font-size: 10px; }
.trip-impact-line strong { color: var(--text); }
.trip-impact-line span { color: var(--muted); line-height: 1.35; }
.trip-arrival-list { padding: 0 15px; }
.trip-arrival-row { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line-soft); }
.trip-arrival-row strong, .trip-arrival-row small { display: block; }
.trip-arrival-row strong { color: var(--amber); font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.trip-arrival-row small { max-width: 30ch; margin-top: 3px; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.trip-arrival-time { color: var(--text); font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; white-space: nowrap; }
.trip-arrival-time small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; }
.trip-arrival-time.has-gps { color: var(--accent); }
#trip-open-bus-map { margin: 12px 15px 15px; }
.trip-stops-list { max-height: 48dvh; overflow: auto; }
.trip-stop-row { width: 100%; display: grid; grid-template-columns: 32px minmax(0, 1fr) 22px; align-items: center; gap: 9px; border: 0; border-bottom: 1px solid var(--line-soft); background: transparent; color: var(--text); padding: 12px 15px; text-align: left; }
.trip-stop-index { color: var(--faint); font: 700 10px ui-monospace, SFMono-Regular, Menlo, monospace; }
.trip-stop-row strong, .trip-stop-row small { display: block; }
.trip-stop-row strong { font-size: 12px; }
.trip-stop-row small { margin-top: 4px; color: var(--muted); font-size: 10px; }
.trip-skeleton { padding: 24px 15px; color: var(--muted); font-size: 12px; animation: tripPulse 1.2s ease-in-out infinite; }
@keyframes tripPulse { 50% { opacity: .45; } }

.schedule-panel, .bus-toolbar { min-height: 0; display: flex; flex-direction: column; }
.schedule-toolbar { display: flex; align-items: end; gap: 12px; flex-wrap: wrap; padding: 10px 15px; border-bottom: 1px solid var(--line-soft); }
.schedule-search-label { display: grid; gap: 5px; min-width: 240px; color: var(--faint); font: 600 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .07em; }
.schedule-search { min-width: 240px; border: 1px solid var(--line); border-radius: 7px; outline: none; background: var(--surface-raised); color: var(--text); padding: 7px 9px; font-size: 11px; }
.schedule-search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.table-wrap { overflow-x: auto; }
.schedule-table-wrap { height: calc(100dvh - 350px); min-height: 340px; overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 800px; }
th { padding: 9px 13px; color: var(--faint); font: 600 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-align: left; text-transform: uppercase; letter-spacing: .07em; white-space: nowrap; }
td { padding: 10px 13px; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: 11px; white-space: nowrap; }
tbody tr { cursor: pointer; transition: background .14s; }
tbody tr:hover, tbody tr:focus-visible { background: var(--surface-raised); }
.schedule-table-wrap thead th { position: sticky; top: 0; z-index: 1; background: var(--surface); }
.cell-strong { color: var(--text); font-weight: 600; }
.cell-mono { color: var(--text); font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.route-presence { color: var(--faint); font-size: 10px; }
.delay-on-time, .status-on-time { color: var(--green); }
.delay-caution { color: var(--amber); }
.delay-delayed, .status-delayed, .status-track-risk, .delay-track-risk { color: var(--red); }
.status-muted, .delay-muted { color: var(--faint); }
.status-stopped { color: var(--amber); }
.table-message { padding: 28px 13px; color: var(--faint); text-align: center; }
.schedule-footer { display: flex; justify-content: space-between; gap: 12px; padding: 8px 15px; color: var(--faint); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; }

.bus-toolbar { flex-direction: row; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 9px; padding: 12px 15px; }
.bus-source-copy p:last-child { margin: 5px 0 0; color: var(--muted); font-size: 11px; }
.bus-toolbar-controls { justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.bus-stop-search-group { display: flex; align-items: end; gap: 6px; }
.bus-stop-search-group .bus-search-label { min-width: 205px; }
.bus-search-label { display: grid; gap: 5px; min-width: 235px; color: var(--faint); font: 600 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .07em; }
.bus-search-label .schedule-search { width: 235px; min-width: 0; }
.bus-panel-meta { display: flex; align-items: center; gap: 9px; }
.bus-workspace-grid { height: calc(100dvh - 350px); flex: 0 0 auto; }
.bus-workspace-grid .map-panel, .bus-workspace-grid .bus-side { height: 100%; }
.bus-workspace-grid .map { min-height: 320px; height: auto; }
.bus-side { min-height: 0; }
.bus-status-card { margin: 12px; padding: 11px; border: 1px solid var(--line-soft); background: var(--surface-raised); color: var(--muted); font-size: 11px; line-height: 1.5; }
.bus-status-card strong { display: block; margin-bottom: 4px; color: var(--text); }
.bus-status-card a { color: var(--accent); }
.bus-stop-board { margin: 0 12px 12px; border: 1px solid var(--line-soft); background: var(--surface-raised); }
.bus-stop-board-heading { padding: 10px 11px 7px; border-bottom: 1px solid var(--line-soft); }
.bus-stop-board-heading h3 { margin: 3px 0 0; color: var(--text); font-size: 12px; }
.bus-stop-results { max-height: 154px; overflow: auto; }
.bus-stop-result, .bus-stop-selected { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px; border: 0; border-bottom: 1px solid var(--line-soft); background: transparent; color: var(--text); padding: 9px 11px; text-align: left; }
.bus-stop-result { cursor: pointer; }
.bus-stop-result:hover { background: var(--accent-soft); }
.bus-stop-result strong, .bus-stop-selected strong { display: block; font-size: 11px; }
.bus-stop-result small, .bus-stop-selected small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }
.bus-stop-arrow { color: var(--accent); font-size: 16px; }
.bus-stop-empty { padding: 10px 11px; color: var(--muted); font-size: 10px; }
.bus-arrival-list { max-height: 215px; overflow: auto; }
.bus-arrival-row { display: grid; grid-template-columns: 42px minmax(0, 1fr) 54px; align-items: center; gap: 7px; padding: 7px 11px; border-bottom: 1px solid var(--line-soft); font-size: 10px; }
.bus-arrival-line { color: var(--accent-warm); font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.bus-arrival-destination { overflow: hidden; color: var(--text); text-overflow: ellipsis; white-space: nowrap; }
.bus-arrival-eta { color: var(--text); font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; }
.bus-arrival-eta.is-soon { color: var(--accent); }
.bus-arrival-eta small { display: block; color: var(--muted); font: 600 8px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .05em; }
.bus-live-dot { background: var(--accent-warm); box-shadow: 0 0 0 3px rgba(243,183,91,.15); }
.bus-table-wrap { min-height: 0; flex: 1; overflow: auto; }
.bus-table { min-width: 430px; }
.bus-table th, .bus-table td { padding: 8px 12px; }

.alerts-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 10px; min-height: 0; flex: 1; }
.alerts-panel, .risk-panel { min-height: 0; display: flex; flex-direction: column; }
.alerts-list, .risk-list { min-height: 0; overflow: auto; }
.alert-item, .risk-item { display: flex; gap: 10px; padding: 13px 15px; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: 11px; line-height: 1.45; }
.alert-item { align-items: flex-start; width: 100%; border-right: 0; border-bottom: 0; border-left: 0; background: transparent; text-align: left; }
button.alert-item:hover { background: var(--surface-raised); }
.alert-item::before { content: ""; width: 7px; height: 7px; flex: 0 0 auto; margin-top: 4px; border-radius: 50%; background: var(--amber); }
.alert-item-risk { color: var(--red); }
.alert-item-risk::before { background: var(--red); }
.risk-item { color: var(--red); }
.risk-item p { margin: 3px 0 0; color: var(--muted); }
.risk-pulse { width: 8px; height: 8px; flex: 0 0 auto; margin-top: 4px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px rgba(239, 117, 111, .14); }
.risk-note { margin: 0; padding: 11px 15px 13px; border-top: 1px solid var(--line-soft); color: var(--faint); font-size: 10px; line-height: 1.5; }
.empty-alerts { padding: 32px 16px; color: var(--faint); font-size: 11px; text-align: center; }

.footer { display: flex; justify-content: space-between; gap: 12px; padding-top: 12px; color: var(--faint); font: 10px ui-monospace, SFMono-Regular, Menlo, monospace; }

@media (max-width: 1100px) {
  .app-shell { padding-inline: 18px; }
  .workspace-grid, .alerts-layout { grid-template-columns: 1fr; }
  .detail-panel, .bus-side { min-height: 300px; }
  .detail-panel .empty-detail { min-height: 230px; }
  .bus-workspace-grid { height: auto; }
  .bus-workspace-grid .map-panel, .bus-workspace-grid .bus-side { height: auto; }
  .bus-workspace-grid .map { height: 480px; }
}

@media (max-width: 700px) {
  .app-shell { padding: 14px 12px 18px; }
  .topbar, .control-strip, .bus-toolbar, .footer { align-items: flex-start; flex-direction: column; }
  .topbar-meta, .control-group-right, .bus-toolbar-controls { justify-content: flex-start; flex-wrap: wrap; }
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .metric-card { min-height: 86px; padding: 11px 12px; }
  .metric-value { margin-top: 10px; font-size: 22px; }
  .view-tabs { overflow-x: auto; }
  .view-tab { padding-inline: 10px; white-space: nowrap; }
  .view-status { display: none; }
  .service-filters { overflow-x: auto; flex-wrap: nowrap; max-width: 100%; padding-bottom: 2px; }
  .map { min-height: 360px; height: 460px; }
  .map-heading { align-items: flex-start; flex-direction: column; }
  .map-legend { flex-wrap: wrap; }
  .map-footer, .schedule-footer { align-items: flex-start; flex-direction: column; }
  .schedule-toolbar { align-items: stretch; flex-direction: column; }
  .schedule-search-label, .schedule-search { min-width: 0; width: 100%; }
  .bus-search-label, .bus-search-label .schedule-search, .bus-stop-search-group, .bus-stop-search-group .bus-search-label { min-width: 0; width: 100%; }
  .bus-stop-search-group { align-items: stretch; }
  .schedule-table-wrap { height: 520px; }
  .bus-workspace-grid .map { height: 420px; }
}

@media (min-width: 768px) {
  .trip-intro { padding: 6px 0 18px; }
  .trip-lookup { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: start; }
  .trip-divider { flex-direction: column; align-self: center; }
  .trip-divider::before, .trip-divider::after { width: 1px; height: 28px; flex: none; }
  .trip-layout { grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); align-items: start; }
  .trip-stops-list { max-height: calc(100dvh - 420px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}