:root {
  --bg: #f4f7fb;
  --sidebar: #ffffff;
  --panel: #ffffff;
  --panel-soft: #f7f9fc;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5eaf2;
  --blue: #1677ff;
  --blue-soft: #eef6ff;
  --good: #2ecb75;
  --warn: #f5a524;
  --bad: #ef4444;
  --idle: #8a93a3;
  --shadow: 0 8px 22px rgba(24, 39, 75, 0.05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  letter-spacing: 0;
}

button, input, select { font: inherit; }
button { border: 0; border-radius: 5px; cursor: pointer; font-weight: 700; white-space: nowrap; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 22px; line-height: 1.2; font-weight: 850; }
h2 { font-size: 16px; font-weight: 850; }
h3 { font-size: 14px; font-weight: 850; }
p { margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.45; }

.help-tip {
  position: relative;
  display: inline-grid;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  vertical-align: middle;
  place-items: center;
  border: 1px solid #b8c7d9;
  border-radius: 50%;
  background: #fff;
  color: #64748b;
  font-size: 11px;
  font-weight: 950;
  line-height: 1;
  white-space: normal;
  cursor: help;
}
.help-tip:hover,
.help-tip:focus-visible,
.help-tip.open {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-soft);
  outline: 0;
}
.help-bubble {
  position: fixed;
  z-index: 30;
  left: var(--help-left, 8px);
  top: var(--help-top, 8px);
  width: max-content;
  max-width: min(260px, 80vw);
  padding: 9px 10px;
  border: 1px solid #cbd8ea;
  border-radius: 6px;
  background: #111827;
  color: #fff;
  box-shadow: 0 12px 26px rgba(15, 23, 42, .22);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.45;
  text-align: left;
  transform: none;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}
.help-bubble::after {
  content: "";
  position: absolute;
  left: var(--help-arrow-left, 50%);
  top: 100%;
  width: 8px;
  height: 8px;
  background: #111827;
  transform: translate(-50%, -4px) rotate(45deg);
}
.help-tip[data-help-placement="bottom"] .help-bubble::after {
  top: 0;
  transform: translate(-50%, -4px) rotate(45deg);
}
.help-tip:hover .help-bubble,
.help-tip:focus-visible .help-bubble,
.help-tip.open .help-bubble {
  opacity: 1;
  visibility: visible;
}
.tabs .help-tip {
  transform: translateY(-1px);
}

.app-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 22px 16px;
  border-right: 1px solid var(--line);
  background: var(--sidebar);
}

.brand { display: flex; align-items: center; gap: 10px; min-height: 40px; }
.brand-mark { display: grid; width: 30px; height: 30px; place-items: center; color: var(--blue); font-size: 25px; font-weight: 900; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 14px; letter-spacing: 0; }
.brand small { margin-top: 2px; color: var(--muted); font-size: 11px; font-weight: 700; }

.nav { display: grid; gap: 8px; margin-top: 4px; }
.nav a {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 6px;
  color: #374151;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}
.nav a span { color: #475569; font-size: 17px; }
.nav a.active, .nav a:hover { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(22, 119, 255, 0.18); }
.nav a.active span, .nav a:hover span { color: #fff; }
.nav a:nth-child(2)::after { content: "28"; color: #111827; font-size: 12px; }
.nav a.active:nth-child(2)::after { color: #fff; }
.nav a[data-alert-count]::after {
  content: attr(data-alert-count);
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border-radius: 50%;
  background: var(--bad);
  color: #fff;
  font-size: 11px;
}
.nav a[data-alert-count="0"]::after,
.nav a[data-alert-count=""]::after {
  display: none;
}
.nav-settings-link::after {
  content: "▾";
  color: #64748b;
  font-size: 13px;
  transition: transform 0.16s ease;
}
.nav-settings-link[aria-expanded="true"]::after {
  transform: rotate(180deg);
}
.nav-settings-link.active::after,
.nav-settings-link:hover::after {
  color: #fff;
}
.settings-menu {
  display: none;
  gap: 6px;
  margin: -4px 0 6px 12px;
  padding: 8px 0 8px 14px;
  border-left: 2px solid #c9ddf8;
}
.settings-menu.open { display: grid; }
.settings-menu button {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  gap: 8px;
  justify-content: flex-start;
  width: 100%;
  min-height: 38px;
  padding: 0 10px 0 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: #f8fafc;
  color: #334155;
  font-size: 13px;
  font-weight: 850;
  text-align: left;
}
.settings-menu button span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 22px;
  border-radius: 5px;
  background: #e8f1ff;
  color: #1d5fc2;
  font-size: 10px;
  font-weight: 900;
}
.settings-menu button.active,
.settings-menu button:hover {
  border-color: #b9d7ff;
  background: var(--blue-soft);
  color: var(--blue);
}
.settings-menu button.active {
  box-shadow: inset 3px 0 0 var(--blue);
}

.sidebar-promo {
  margin-top: auto;
  padding: 16px 12px;
  border-radius: 6px;
  background: linear-gradient(180deg, #f8fbff, #edf5ff);
}
.sidebar-promo p { color: #334155; font-size: 12px; font-weight: 700; }
.cooler-illust { position: relative; width: 100px; height: 82px; margin: 14px auto 12px; }
.cooler-handle { position: absolute; left: 32px; top: 2px; width: 40px; height: 14px; border: 5px solid #1f7ae0; border-bottom: 0; border-radius: 10px 10px 0 0; }
.cooler-body { position: absolute; inset: 16px 6px 0; border-radius: 7px 7px 12px 12px; background: linear-gradient(135deg, #dff1ff 0 43%, #1677ff 44% 100%); box-shadow: inset 0 0 0 1px rgba(0,0,0,.06); }
.sidebar-promo a { display: flex; align-items: center; justify-content: center; height: 34px; border: 1px solid #cddff5; border-radius: 5px; color: #1677ff; font-size: 12px; font-weight: 800; text-decoration: none; }
.copyright { display: block; margin-top: 8px; color: #8a93a3; text-align: center; font-size: 10px; font-weight: 700; }

.workspace { min-width: 0; padding: 20px 22px 24px; }
.topbar, .panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.topbar { margin-bottom: 16px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn, .alert-chip, .user-chip, #exportBtn {
  height: 36px;
  border: 1px solid var(--line);
  background: #fff;
  color: #111827;
  box-shadow: 0 4px 12px rgba(24, 39, 75, 0.04);
}
.icon-btn { position: relative; width: 36px; font-size: 18px; }
.icon-btn sup { position: absolute; top: -5px; right: -3px; min-width: 16px; height: 16px; padding: 0 4px; border-radius: 9px; background: var(--bad); color: #fff; font-size: 10px; line-height: 16px; }
.alert-chip { padding: 0 12px; color: #ef4444; background: #fff7f7; }
.user-chip { padding: 0 12px; color: #374151; }

.kpis {
  display: grid;
  grid-template-columns: repeat(8, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.kpi, .panel, .vehicle-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.kpi { min-height: 86px; padding: 14px 16px; }
.kpi span { display: flex; justify-content: space-between; min-height: 16px; color: #111827; font-size: 12px; font-weight: 850; }
.kpi span::after { content: ""; width: 22px; height: 22px; border-radius: 6px; background: var(--blue-soft); }
.kpi.good span::after { background: #e8f8ef; }
.kpi.warn span::after { background: #fff4dc; }
.kpi.bad span::after { background: #fff0f0; }
.kpi strong { display: block; margin-top: 11px; overflow-wrap: anywhere; font-size: 24px; line-height: 1.05; }
.kpi small { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; font-weight: 650; }
.kpi.good strong { color: var(--good); }
.kpi.warn strong { color: var(--warn); }
.kpi.bad strong { color: var(--bad); }

.dashboard-grid {
  display: grid;
  grid-template-columns: 320px minmax(430px, 1fr) 320px;
  gap: 14px;
  align-items: stretch;
  margin-bottom: 14px;
}
.panel { padding: 16px; }
.panel-head { margin-bottom: 12px; }
.panel-head.compact { align-items: center; }

.vehicle-list-panel { min-height: 520px; }
.list-tools { display: grid; grid-template-columns: 1fr 92px 82px; gap: 7px; margin-bottom: 10px; }
.search-box { display: flex; align-items: center; gap: 6px; height: 34px; min-width: 0; padding: 0 10px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: #9aa3af; font-size: 13px; }
.search-box input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--text); font-size: 12px; }
select { min-width: 0; height: 34px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: #4b5563; font-size: 12px; }
.fleet-list { display: grid; gap: 8px; max-height: 438px; overflow: auto; padding-right: 2px; }
.fleet-row {
  width: 100%;
  display: grid;
  grid-template-columns: 43px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-height: 58px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: #fff;
  color: var(--text);
  text-align: left;
}
.fleet-row.active { border-color: #8ec5ff; background: #f1f8ff; }
.fleet-row .van { display: grid; width: 34px; height: 24px; place-items: center; font-size: 20px; filter: grayscale(.15); }
.fleet-row strong { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.fleet-row small { display: block; margin-top: 5px; color: #4b5563; font-size: 11px; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fleet-meta { display: flex; gap: 8px; align-items: center; color: #64748b; font-size: 11px; }
.list-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; color: #64748b; font-size: 12px; }
.list-footer button { width: 28px; height: 28px; background: #fff; color: #64748b; }
.list-footer button.active { color: var(--blue); background: var(--blue-soft); }

.map-panel { min-height: 520px; }
.map-head { align-items: flex-start; }
.map-metrics { display: grid; grid-template-columns: repeat(3, 72px); gap: 8px; }
.map-metrics div { text-align: center; }
.map-metrics span { display: block; color: var(--muted); font-size: 11px; font-weight: 800; }
.map-metrics strong { display: block; margin-top: 5px; font-size: 14px; }
.route-map {
  position: relative;
  height: 275px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #edf3f8;
}
#naverMap.naver-map {
  position: absolute !important;
  inset: 0;
  z-index: 1;
  width: 100% !important;
  height: 100% !important;
}
.map-fallback {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  gap: 7px;
  padding: 18px;
  background:
    linear-gradient(20deg, transparent 0 12%, rgba(22,119,255,.10) 12.2% 13%, transparent 13.2% 100%),
    linear-gradient(105deg, transparent 0 18%, rgba(22,119,255,.08) 18.2% 19.2%, transparent 19.4% 100%),
    linear-gradient(0deg, rgba(255,255,255,.80), rgba(255,255,255,.80)),
    repeating-linear-gradient(0deg, #edf3e8 0 26px, #f8fbf5 26px 52px);
  color: #334155;
  text-align: center;
}
.map-fallback strong { font-size: 15px; }
.map-fallback span { color: var(--muted); font-size: 12px; font-weight: 750; }
.route-map.map-ready .map-fallback { display: none; }
.naver-vehicle-marker {
  display: grid;
  min-width: 34px;
  height: 28px;
  place-items: center;
  padding: 0 8px;
  border: 2px solid #fff;
  border-radius: 8px;
  background: #1f2937;
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(15,23,42,.26);
}
.naver-vehicle-marker.good { background: var(--good); }
.naver-vehicle-marker.warn { background: var(--warn); }
.naver-vehicle-marker.bad { background: var(--bad); }
.map-road { position: absolute; height: 10px; border-radius: 999px; background: rgba(247, 195, 83, .42); transform-origin: center; }
.road-a { width: 82%; left: 8%; top: 42%; transform: rotate(-13deg); }
.road-b { width: 74%; left: 16%; top: 62%; transform: rotate(17deg); }
.map-route {
  position: absolute;
  left: 7%;
  top: 30%;
  width: 76%;
  height: 42%;
  border-left: 4px solid var(--blue);
  border-bottom: 4px solid var(--blue);
  border-right: 4px solid var(--blue);
  border-radius: 28px 18px 34px 20px;
  transform: skewX(-18deg) rotate(3deg);
}
.map-pin { position: absolute; width: 24px; height: 24px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); box-shadow: 0 5px 12px rgba(0,0,0,.16); }
.map-pin.start { left: 7%; top: 27%; background: var(--good); }
.map-pin.stop { right: 16%; top: 34%; background: var(--bad); }
.map-pin::after { content: ""; position: absolute; inset: 7px; border-radius: 50%; background: #fff; }
.map-truck { position: absolute; left: 43%; top: 51%; display: grid; width: 28px; height: 22px; place-items: center; border-radius: 6px; background: #1f2937; color: #fff; font-size: 14px; box-shadow: 0 5px 12px rgba(0,0,0,.25); }
.map-tooltip { position: absolute; z-index: 3; left: 20px; top: 18px; width: 180px; padding: 12px; border-radius: 5px; background: #fff; box-shadow: 0 12px 30px rgba(15,23,42,.18); color: #334155; font-size: 12px; }
.map-tooltip strong, .map-tooltip span, .map-tooltip b { display: block; }
.map-tooltip span { margin-top: 6px; line-height: 1.35; }
.map-tooltip b { margin-top: 7px; color: var(--good); text-align: right; }
.map-zoom { position: absolute; z-index: 3; right: 12px; bottom: 12px; display: grid; gap: 5px; }
.map-zoom button { width: 30px; height: 30px; border: 1px solid var(--line); background: #fff; color: #334155; }
.gateway-strip { padding-top: 14px; }
.gateway-strip h3 { margin-bottom: 9px; }
#vehicleCard { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; border: 0; box-shadow: none; background: transparent; }
.gateway-card { min-width: 0; padding: 15px; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
.gateway-card .gateway-top { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.gateway-card strong { font-size: 14px; }
.gateway-card dl { display: grid; grid-template-columns: 72px 1fr; row-gap: 8px; margin: 0; font-size: 12px; }
.gateway-card dt { color: var(--muted); font-weight: 800; }
.gateway-card dd { margin: 0; color: #111827; font-weight: 800; }

.right-rail { display: grid; gap: 14px; }
.donut-wrap { position: relative; height: 165px; }
.donut-center { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%); text-align: center; pointer-events: none; }
.donut-center span { display: block; color: var(--muted); font-size: 12px; font-weight: 800; }
.donut-center strong { display: block; margin-top: 4px; font-size: 24px; }
.distribution-legend { display: grid; gap: 9px; margin-top: 10px; }
.distribution-legend div { display: grid; grid-template-columns: 1fr auto; align-items: center; color: #374151; font-size: 12px; }
.distribution-legend span::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--good); }
.distribution-legend div:nth-child(2) span::before { background: var(--warn); }
.distribution-legend div:nth-child(3) span::before { background: var(--bad); }
.distribution-legend div:nth-child(4) span::before { background: var(--idle); }
.distribution-legend strong { font-weight: 850; }
.alert-panel .panel-head a { color: var(--blue); font-size: 12px; font-weight: 800; text-decoration: none; }
.alert-log { max-height: 190px; overflow: auto; }
.event-row { display: grid; grid-template-columns: 30px minmax(0, 1fr) 72px; gap: 10px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--line); }
.event-row::before { content: "♨"; display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; background: #fff1f1; color: var(--bad); }
.event-row.warn::before { content: "♢"; background: #fff6df; color: var(--warn); }
.event-row time { grid-column: 3; color: #64748b; font-size: 11px; text-align: right; }
.event-row div { grid-column: 2; min-width: 0; }
.event-row strong { display: block; color: var(--bad); font-size: 12px; }
.event-row.warn strong { color: var(--warn); }
.event-row span { display: block; margin-top: 3px; color: #64748b; font-size: 12px; }
.all-alerts { display: grid; place-items: center; height: 36px; margin-top: 12px; border: 1px solid #c7dcf7; border-radius: 5px; color: var(--blue); background: #f7fbff; font-size: 12px; font-weight: 850; text-decoration: none; }
.alert-view-log {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}
.alert-view-log .event-row {
  grid-template-columns: 34px minmax(0, 1fr) 150px;
  min-height: 72px;
  padding: 14px 16px;
  border: 1px solid #ffd2d2;
  border-radius: 6px;
  background: #fff8f8;
}
.alert-view-log .event-row.warn {
  border-color: #ffe3a8;
  background: #fffaf0;
}
.alert-view-log .event-row time {
  font-size: 12px;
}
.alert-view-log .event-row strong {
  font-size: 14px;
}

.status-pill, .muted-pill, .state-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 5px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
}
.status-pill.good, .state-badge.good { background: #e8f8ef; color: #16814d; }
.status-pill.warn, .state-badge.warn { background: #fff3db; color: #b96b00; }
.status-pill.bad, .state-badge.bad { background: #fff0f0; color: #d22f2f; }

.table-panel, .chart-panel, .diagnostics, .workflow-panel, .truck-panel, .alerts-view-panel, .reports-view-panel, .settings-view-panel { margin-bottom: 14px; }
.tabs { display: flex; align-items: center; gap: 22px; min-height: 34px; }
.tabs button { position: relative; height: 34px; background: transparent; color: #374151; border-radius: 0; font-size: 14px; }
.tabs button.active { color: var(--blue); }
.tabs button.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -13px; height: 3px; border-radius: 2px; background: var(--blue); }
.table-tools { display: flex; align-items: center; gap: 8px; }
.period-controls { display: inline-flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
.period { height: 28px; min-width: 38px; background: transparent; color: var(--muted); font-size: 12px; }
.period.active { background: var(--blue-soft); color: var(--blue); }
#exportBtn { padding: 0 12px; color: var(--blue); }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 13px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; font-size: 13px; }
th { background: #f8fafc; color: #64748b; font-size: 12px; font-weight: 850; }
td .battery { display: inline-flex; align-items: center; gap: 6px; color: #334155; }
td .battery::before { content: ""; width: 18px; height: 9px; border: 2px solid var(--good); border-radius: 3px; background: linear-gradient(90deg, var(--good) 70%, transparent 70%); }
.temp-high { color: var(--bad); font-weight: 850; }
.temp-ok { color: var(--good); font-weight: 850; }
.chart-wrap { height: 300px; }
.legend { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; font-weight: 800; }
.line { width: 28px; border-top: 4px solid; }
.line.temp { border-color: var(--bad); }
.line.hum { border-color: var(--blue); border-top-style: dashed; }
.line.limit { border-color: var(--warn); border-top-style: dashed; }

.empty { color: var(--muted); padding: 18px 4px; }
.diag-grid { display: grid; grid-template-columns: repeat(4, minmax(170px, 1fr)); gap: 10px; }
.diag-grid div, .vehicle-metrics div, .truck-detail-grid div { min-width: 0; padding: 12px; border-radius: 6px; background: var(--panel-soft); }
.diag-grid span, .vehicle-metrics span, .truck-detail-grid span { display: block; color: var(--muted); font-size: 12px; font-weight: 850; }
.diag-grid strong, .vehicle-metrics strong, .truck-detail-grid strong { display: block; margin-top: 7px; overflow-wrap: anywhere; font-size: 14px; }

.workflow-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.workflow-card { position: relative; min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel-soft); }
.workflow-card h3 { margin: 0 0 14px 34px; }
.step-mark { position: absolute; top: 14px; left: 16px; display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; background: var(--blue); color: #fff; font-size: 12px; font-weight: 900; }
.ops-form { display: grid; gap: 10px; }
.ops-form label span, .check-row span { display: block; margin-bottom: 5px; color: var(--muted); font-size: 12px; font-weight: 850; }
.ops-form input,
.ops-form select {
  width: 100%;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  color: var(--text);
}
.check-row { display: flex; align-items: center; gap: 8px; }
.check-row input { width: 17px; height: 17px; }
.check-row span { margin: 0; }
.ops-form button { height: 38px; background: var(--blue); color: #fff; }
.form-result { min-height: 20px; margin-top: 10px; color: var(--muted); font-size: 12px; font-weight: 800; }
.form-result.good { color: var(--good); }
.form-result.bad { color: var(--bad); }
.mini-list { display: grid; gap: 8px; margin-top: 12px; }
.mini-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 11px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.mini-item strong, .mini-item span { display: block; }
.mini-item span { margin-top: 3px; color: var(--muted); font-size: 12px; }

.truck-layout { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 14px; }
.truck-list { display: grid; gap: 10px; }
.truck-row { width: 100%; min-height: 86px; padding: 13px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--text); text-align: left; }
.truck-row.active { border-color: var(--blue); background: var(--blue-soft); }
.truck-row strong, .truck-row span { display: block; }
.truck-row span { margin-top: 5px; color: var(--muted); font-size: 12px; }
.truck-detail { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel-soft); }
.truck-detail h3 { margin: 0 0 6px; font-size: 19px; }
.truck-detail-grid { display: grid; grid-template-columns: repeat(3, minmax(150px, 1fr)); gap: 10px; margin-top: 14px; }

.report-actions { display: flex; gap: 8px; }
.report-actions button {
  height: 34px;
  padding: 0 12px;
  border: 1px solid #c7dcf7;
  background: #f7fbff;
  color: var(--blue);
  font-size: 12px;
}
.report-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.report-summary .kpi { min-height: 92px; box-shadow: none; }
.report-finding-list {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}
.report-finding {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #d7e7fa;
  border-radius: 6px;
  background: #f7fbff;
}
.report-finding strong {
  color: var(--blue);
  font-size: 12px;
}
.report-finding span {
  color: #334155;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}
.report-table-wrap { margin-top: 4px; }

.settings-overview {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.settings-overview div {
  min-height: 72px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
.settings-overview span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.settings-overview strong {
  color: var(--text);
  font-size: 17px;
  font-weight: 950;
}
.settings-shell {
  display: block;
}
.settings-content { min-width: 0; }
.settings-pane { display: none; }
.settings-pane.active { display: block; }
.settings-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(170px, 1fr));
  gap: 12px;
}
.settings-card {
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
}
.settings-card h3 { margin: 0 0 12px; font-size: 15px; }
.settings-card p { margin: 4px 0 0; color: var(--muted); font-size: 12px; font-weight: 750; }
.settings-row, .settings-toggle, .settings-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 38px;
  border-top: 1px solid #e5eaf1;
}
.settings-row:first-of-type, .settings-toggle:first-of-type, .settings-field:first-of-type { border-top: 0; }
.settings-row span, .settings-toggle span, .settings-field span { color: var(--muted); font-size: 12px; font-weight: 850; }
.settings-row strong, .settings-toggle strong { color: var(--text); font-size: 13px; text-align: right; }
.settings-field input {
  width: 96px;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  color: var(--text);
  text-align: right;
}
.settings-toggle input { width: 18px; height: 18px; accent-color: var(--blue); }
.settings-card button[type="submit"] {
  width: 100%;
  height: 36px;
  margin-top: 10px;
  background: var(--blue);
  color: #fff;
}
.settings-card output {
  display: block;
  min-height: 18px;
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.settings-card output.good { color: var(--good); }
.settings-card output.bad { color: var(--bad); }
.sensor-settings-card { background: #fff; }
.settings-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.settings-card-head > span,
.settings-list-tools > span {
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}
.settings-list-tools {
  display: grid;
  justify-items: end;
  gap: 7px;
}
.page-size-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}
.page-size-links button {
  min-height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-size-links button.active {
  color: var(--blue);
  text-decoration-thickness: 2px;
}
.sensor-settings-list, .asset-settings-list { display: grid; gap: 8px; margin-top: 12px; }
.asset-settings-card, .server-settings-card { background: #fff; }
.settings-add-form {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr)) minmax(120px, .7fr);
  gap: 8px;
  align-items: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
}
.settings-add-form label span,
.asset-row label span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.settings-add-form input,
.asset-row input {
  width: 100%;
  height: 36px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  color: var(--text);
}
.settings-add-form input[readonly],
.asset-row input[readonly] {
  background: #f5f7fb;
  color: var(--muted);
}
.settings-add-form button,
.asset-row button {
  height: 36px;
  background: var(--blue);
  color: #fff;
}
.settings-add-form output,
.asset-row output,
.server-settings-list strong {
  min-height: 18px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.settings-add-form output.good, .asset-row output.good { color: var(--good); }
.settings-add-form output.bad, .asset-row output.bad { color: var(--bad); }
.asset-row {
  display: grid;
  grid-template-columns: 130px minmax(150px, 1fr) minmax(150px, 1fr) minmax(150px, 1fr) 70px 70px minmax(90px, .8fr);
  gap: 8px;
  align-items: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
}
.gateway-row {
  grid-template-columns: 150px minmax(160px, 1fr) minmax(140px, .8fr) minmax(120px, .7fr) 70px 70px minmax(90px, .8fr);
}
.asset-row > strong {
  min-height: 36px;
  display: flex;
  align-items: center;
  font-size: 13px;
}
.asset-row button.danger,
.sensor-setting-row button.danger {
  background: #fff0f0;
  color: var(--bad);
}
.sensor-setting-row {
  display: grid;
  grid-template-columns: 140px minmax(180px, 1.3fr) minmax(110px, .7fr) minmax(110px, .7fr) 120px 70px 70px 90px;
  gap: 8px;
  align-items: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
}
.sensor-setting-title strong,
.sensor-setting-title span,
.sensor-setting-row label span {
  display: block;
}
.sensor-setting-title strong { font-size: 14px; }
.sensor-setting-title span,
.sensor-setting-row label span {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.sensor-setting-row input {
  width: 100%;
  height: 36px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  color: var(--text);
}
.sensor-enabled {
  height: 36px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
}
.sensor-setting-row button {
  height: 36px;
  background: var(--blue);
  color: #fff;
}
.sensor-setting-row output {
  min-height: 36px;
  display: flex;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.sensor-setting-row output.good { color: var(--good); }
.sensor-setting-row output.bad { color: var(--bad); }
.settings-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 36px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.settings-pager div {
  display: flex;
  align-items: center;
  gap: 6px;
}
.settings-pager button {
  height: 30px;
  min-width: 56px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}
.settings-pager button:disabled {
  color: #aeb7c5;
  background: #f5f7fb;
  cursor: not-allowed;
}
.server-settings-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 8px;
}
.server-settings-list div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
}
.server-settings-list span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.server-settings-list strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--text);
}

.help-tip .help-bubble {
  display: block;
  width: max-content;
  max-width: min(260px, 80vw);
  margin: 0;
  padding: 9px 10px;
  border: 1px solid #cbd8ea;
  border-radius: 6px;
  background: #111827;
  color: #fff;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.45;
  white-space: normal;
}

[hidden] { display: none !important; }

@media (max-width: 1220px) {
  .kpis { grid-template-columns: repeat(4, minmax(130px, 1fr)); }
  .dashboard-grid { grid-template-columns: 320px minmax(0, 1fr); }
  .right-rail { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1040px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .settings-menu { grid-column: 1 / -1; margin: -2px 0 4px; grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 0; padding: 8px; background: #f6f8fb; border-radius: 6px; }
  .sidebar-promo, .copyright { display: none; }
  .dashboard-grid, .workflow-grid, .truck-layout, .report-summary, .settings-overview, .settings-grid, .sensor-setting-row, .settings-add-form, .asset-row, .server-settings-list { grid-template-columns: 1fr; }
  .settings-card-head { flex-direction: column; }
  .settings-list-tools { width: 100%; justify-items: start; }
  .page-size-links { justify-content: flex-start; }
  .right-rail { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .workspace, .sidebar { padding: 14px; }
  .topbar, .panel-head { flex-direction: column; }
  .top-actions, .table-tools { width: 100%; flex-wrap: wrap; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .list-tools { grid-template-columns: 1fr; }
  .map-metrics, #vehicleCard, .diag-grid, .truck-detail-grid { grid-template-columns: 1fr; }
  .route-map { height: 250px; }
  .tabs { width: 100%; overflow-x: auto; }
  .tabs button.active::after { bottom: -6px; }
  .period-controls { width: 100%; display: grid; grid-template-columns: repeat(5, 1fr); }
  #exportBtn, .search-box { width: 100%; }
  .report-actions { width: 100%; }
  .report-actions button { flex: 1; }
  .report-finding { grid-template-columns: 1fr; }
  .settings-pager { align-items: flex-start; flex-direction: column; }
}