:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-strong: #f0f4f8;
  --input-bg: #ffffff;
  --label: #334155;
  --hover: #f9fbfd;
  --topbar-bg: rgba(246,247,251,.94);
  --text: #17202a;
  --muted: #64748b;
  --line: #dbe3ee;
  --primary: #176b87;
  --primary-dark: #0f4d62;
  --accent: #d97706;
  --success: #16825d;
  --danger: #b42318;
  --warning: #c77700;
  --info: #2563eb;
  --sidebar: #102a43;
  --sidebar-2: #173e5d;
  --shadow: 0 16px 40px rgba(16, 42, 67, .12);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1720;
  --surface: #162231;
  --surface-strong: #213247;
  --input-bg: #101a26;
  --label: #d7e2ef;
  --hover: #1d2b3c;
  --topbar-bg: rgba(15, 23, 32, .94);
  --text: #edf4fb;
  --muted: #9db0c4;
  --line: #2c4056;
  --primary: #4fb3d1;
  --primary-dark: #8ed8ee;
  --accent: #f59e0b;
  --success: #34d399;
  --danger: #f87171;
  --warning: #fbbf24;
  --info: #7aa7ff;
  --sidebar: #0b1320;
  --sidebar-2: #122034;
  --shadow: 0 16px 40px rgba(0, 0, 0, .32);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--input-bg);
  color: var(--text);
  padding: .75rem .82rem;
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 107, 135, .14);
}

input:focus::placeholder,
textarea:focus::placeholder {
  color: transparent;
}

label {
  display: grid;
  gap: .38rem;
  color: var(--label);
  font-size: .88rem;
  font-weight: 650;
}

textarea {
  min-height: 98px;
  resize: vertical;
}

a {
  color: var(--primary);
}

[hidden] {
  display: none !important;
}

.screen {
  min-height: 100vh;
}

.auth-layout {
  min-height: calc(100vh - 44px);
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
}

.auth-panel {
  background: var(--surface);
  padding: 2.2rem;
  display: grid;
  align-content: center;
  gap: 1.45rem;
  box-shadow: var(--shadow);
}

.auth-product-logo {
  margin: 0;
  width: clamp(112px, 20vw, 160px);
  justify-self: start;
}

.auth-product-logo img {
  display: block;
  width: 100%;
  max-height: min(72px, 12vh);
  object-fit: contain;
}

.auth-copy {
  display: grid;
  align-content: center;
  padding: clamp(2rem, 7vw, 7rem);
  background:
    linear-gradient(110deg, rgba(16, 42, 67, .88), rgba(23, 107, 135, .74)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='700' viewBox='0 0 900 700'%3E%3Crect width='900' height='700' fill='%23e8eef4'/%3E%3Cg fill='none' stroke='%2393a4b5' stroke-width='18' opacity='.28'%3E%3Cpath d='M118 500h650M180 410h220l70-98h150l84 98h68'/%3E%3Ccircle cx='260' cy='505' r='58'/%3E%3Ccircle cx='674' cy='505' r='58'/%3E%3Cpath d='M520 310v100M604 310v100M240 410l60-98h135'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover;
  color: #fff;
}

.auth-hero-logo {
  margin: 0 0 .9rem;
  width: clamp(140px, 18vw, 200px);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 18px 48px rgba(0, 0, 0, .2);
}

.auth-hero-logo img {
  display: block;
  width: 100%;
  max-height: min(86px, 14vh);
  object-fit: contain;
}

.auth-copy h1 {
  margin: .2rem 0 1rem;
  font-size: clamp(3rem, 10vw, 7rem);
  line-height: .9;
}

.auth-copy p {
  max-width: 670px;
  font-size: 1.1rem;
  line-height: 1.7;
}

.public-footer,
.app-footer {
  min-height: 44px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: .86rem;
}

#app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 282px 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(180deg, var(--sidebar), var(--sidebar-2));
  color: #dbeafe;
  padding: 1rem;
  overflow-y: auto;
  z-index: 20;
}

.sidebar-brand,
.brand-mark {
  display: flex;
  align-items: center;
  gap: .82rem;
}

.sidebar-brand {
  padding: .45rem .35rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.13);
  margin-bottom: .75rem;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #fff;
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  font-weight: 850;
  overflow: hidden;
  flex: 0 0 auto;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sidebar-brand strong,
.brand-mark strong {
  display: block;
  font-size: 1rem;
}

.sidebar-brand span,
.brand-mark span {
  color: #b6c8d8;
  font-size: .78rem;
}

.nav-list {
  display: grid;
  gap: .18rem;
}

.nav-item {
  width: 100%;
  border: 0;
  border-radius: 7px;
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  gap: .62rem;
  padding: .73rem .72rem;
  color: #dcecf7;
  background: transparent;
  text-align: left;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(255,255,255,.12);
  color: #fff;
}

.nav-item .module-status {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #66e2b2;
}

.shell-main {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1.35rem;
  border-bottom: 1px solid var(--line);
  background: var(--topbar-bg);
  backdrop-filter: blur(14px);
}

.topbar h2 {
  margin: .1rem 0 0;
  font-size: 1.2rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: .55rem;
}

.content {
  padding: 1.35rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: .74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.stack {
  display: grid;
  gap: 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 6px 24px rgba(15, 23, 42, .04);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .9rem;
}

.panel-header h3 {
  margin: 0;
  font-size: 1rem;
}

.panel-header p {
  margin: .25rem 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.metric {
  display: grid;
  gap: .35rem;
}

.action-card {
  width: 100%;
  border: 1px solid var(--line);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.action-card:hover,
.action-row:hover {
  background: var(--surface-strong);
}

.metric strong {
  font-size: 1.72rem;
}

.metric span {
  color: var(--muted);
  font-size: .84rem;
}

.metric .trend {
  color: var(--success);
  font-weight: 750;
}

.bi-dashboard {
  display: grid;
  gap: 1rem;
}

.bi-filter-strip {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(520px, 2fr);
  gap: 1rem;
  align-items: end;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 6px 24px rgba(15, 23, 42, .04);
}

.bi-filter-strip h3 {
  margin: .25rem 0 0;
}

.bi-filter-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
  align-items: end;
}

.bi-filter-actions {
  display: flex;
  gap: .5rem;
  align-items: center;
}

.bi-kpis {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: .8rem;
}

.bi-kpi {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .3rem .55rem;
  align-items: center;
  min-height: 116px;
  padding: .9rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--info);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  text-align: left;
  box-shadow: 0 6px 24px rgba(15, 23, 42, .04);
}

.bi-kpi:hover,
.bi-bar-row:hover,
.bi-status-card:hover,
.bi-column:hover,
.bi-split-total button:hover,
.bi-route-summary button:hover {
  background: var(--surface-strong);
}

.bi-kpi.ok {
  border-left-color: var(--success);
}

.bi-kpi.warn {
  border-left-color: var(--warning);
}

.bi-kpi.danger {
  border-left-color: var(--danger);
}

.bi-kpi.info {
  border-left-color: var(--info);
}

.bi-kpi-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--primary);
}

.bi-kpi-label,
.bi-kpi-helper {
  color: var(--muted);
  font-size: .8rem;
}

.bi-kpi strong {
  grid-column: 1 / -1;
  font-size: 1.55rem;
}

.bi-kpi-helper {
  grid-column: 1 / -1;
  font-weight: 700;
}

.bi-canvas {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.bi-visual {
  grid-column: span 4;
  min-height: 320px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 6px 24px rgba(15, 23, 42, .04);
}

.bi-visual-wide {
  grid-column: span 5;
}

.bi-visual-tall {
  grid-column: span 3;
}

.bi-visual-full {
  grid-column: 1 / -1;
  min-height: auto;
}

.bi-visual-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .85rem;
}

.bi-visual-header h3,
.bi-compact-list h4 {
  margin: 0;
  font-size: .98rem;
}

.bi-visual-header p {
  margin: .25rem 0 0;
  color: var(--muted);
  line-height: 1.4;
}

.bi-availability {
  display: grid;
  gap: 1rem;
}

.bi-ring {
  display: grid;
  width: 180px;
  aspect-ratio: 1;
  place-items: center;
  justify-self: center;
  border: 0;
  border-radius: 50%;
  background: conic-gradient(var(--success) var(--value), var(--line) 0);
  color: var(--text);
  position: relative;
}

.bi-ring::after {
  content: "";
  position: absolute;
  inset: 22px;
  border-radius: 50%;
  background: var(--surface);
}

.bi-ring strong,
.bi-ring span {
  position: relative;
  z-index: 1;
}

.bi-ring strong {
  font-size: 2.2rem;
}

.bi-ring span {
  margin-top: 2.2rem;
  color: var(--muted);
  font-weight: 750;
}

.bi-status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .6rem;
}

.bi-status-card {
  display: grid;
  gap: .35rem;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--hover);
  color: var(--text);
  text-align: left;
}

.bi-status-card strong {
  font-size: 1.35rem;
}

.bi-mini-track,
.bi-bar-track {
  overflow: hidden;
  height: 9px;
  border-radius: 999px;
  background: var(--surface-strong);
}

.bi-mini-fill,
.bi-bar-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  transition: width .28s ease;
}

.bi-mini-fill.ok,
.bi-bar-fill.ok,
.bi-column-bar.ok {
  background: var(--success);
}

.bi-mini-fill.warn,
.bi-bar-fill.warn,
.bi-column-bar.warn {
  background: var(--warning);
}

.bi-mini-fill.danger,
.bi-bar-fill.danger,
.bi-column-bar.danger {
  background: var(--danger);
}

.bi-mini-fill.info,
.bi-bar-fill.info,
.bi-column-bar.info {
  background: var(--info);
}

.bi-split-total {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
  margin-bottom: .85rem;
}

.bi-split-total button,
.bi-route-summary button {
  display: grid;
  gap: .25rem;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--hover);
  color: var(--text);
  text-align: left;
}

.bi-split-total span,
.bi-route-summary span {
  color: var(--muted);
  font-size: .8rem;
}

.bi-bar-list {
  display: grid;
  gap: .65rem;
}

.bi-bar-row {
  display: grid;
  grid-template-columns: 92px 1fr 116px;
  align-items: center;
  gap: .7rem;
  width: 100%;
  padding: .58rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  text-align: left;
}

.bi-bar-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bi-column-chart {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
  align-items: end;
  min-height: 210px;
  padding-top: .5rem;
}

.bi-column {
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: .45rem;
  align-items: end;
  min-height: 210px;
  padding: .6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  text-align: center;
}

.bi-column-bar {
  display: block;
  width: 100%;
  min-height: 10px;
  border-radius: 6px 6px 0 0;
  align-self: end;
}

.bi-column span:last-child {
  color: var(--muted);
  font-size: .78rem;
}

.bi-route-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
  margin-top: .85rem;
}

.bi-compact-list {
  display: grid;
  gap: .65rem;
}

.bi-compact-list h4 {
  margin-top: .35rem;
  color: var(--muted);
  text-transform: uppercase;
  font-size: .74rem;
}

.bi-nested-grid {
  align-items: start;
}

.table-link {
  border: 0;
  background: transparent;
  color: var(--primary);
  font-weight: 800;
  padding: 0;
}

.receipt-viewer {
  display: grid;
  gap: 1rem;
}

.receipt-viewer img {
  display: block;
  width: 100%;
  max-height: 62vh;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.report-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .8rem;
}

.report-export-card {
  display: grid;
  gap: .75rem;
  padding: .85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--hover);
}

.report-export-card strong {
  display: block;
  margin-bottom: .25rem;
}

.report-export-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}

.btn,
.icon-btn {
  border: 1px solid transparent;
  border-radius: 7px;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .56rem .8rem;
  font-weight: 750;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}

.btn:active,
.icon-btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-ghost,
.icon-btn {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover,
.icon-btn:hover {
  background: var(--surface-strong);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.icon-btn {
  width: 40px;
  padding: 0;
  position: relative;
}

.mobile-menu,
.mobile-close {
  display: none;
}

.badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--danger);
  color: #fff;
  font-size: .68rem;
  font-weight: 850;
}

.role-switch {
  width: auto;
  min-width: 148px;
  padding: .55rem .7rem;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: .72rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #475569;
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

tbody tr:hover {
  background: var(--hover);
}

.status,
.pill {
  display: inline-flex;
  align-items: center;
  gap: .32rem;
  border-radius: 999px;
  padding: .25rem .55rem;
  font-size: .76rem;
  font-weight: 800;
  background: #e8eef4;
  color: #334155;
}

.status.ok {
  background: #dcfce7;
  color: #166534;
}

.status.warn {
  background: #fef3c7;
  color: #92400e;
}

.status.danger {
  background: #fee2e2;
  color: #991b1b;
}

.status.info {
  background: #dbeafe;
  color: #1d4ed8;
}

.list {
  display: grid;
  gap: .65rem;
}

.list-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .9rem;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

button.list-row,
button.timeline-item,
button.bar-row {
  width: 100%;
  border: 1px solid var(--line);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.list-row p {
  margin: .18rem 0 0;
  color: var(--muted);
  font-size: .86rem;
}

.route-card-list {
  display: grid;
  gap: .8rem;
}

.route-operation-card {
  display: grid;
  gap: .75rem;
  padding: .85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.route-operation-card p {
  margin: .18rem 0 0;
  color: var(--muted);
  font-size: .86rem;
}

.route-fuel-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .45rem;
}

.route-fuel-summary span,
.route-fuel-mini div {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: .45rem;
  background: var(--surface-strong);
  font-size: .8rem;
  font-weight: 800;
}

.route-fuel-mini {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .45rem;
}

.route-fuel-mini div {
  display: grid;
  gap: .12rem;
}

.route-fuel-mini span {
  color: var(--muted);
  font-size: .72rem;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  flex-wrap: wrap;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .9rem;
}

.form-grid .span-2 {
  grid-column: span 2;
}

.helper {
  color: var(--muted);
  font-size: .84rem;
  margin: 0;
}

.helper-link {
  color: var(--primary);
  font-size: .86rem;
  font-weight: 800;
  text-decoration: none;
}

.helper-link:hover {
  text-decoration: underline;
}

.timeline {
  display: grid;
  gap: .72rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: .65rem;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  margin-top: .25rem;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(23,107,135,.12);
}

.chart-bars {
  display: grid;
  gap: .72rem;
}

.bar-row {
  display: grid;
  grid-template-columns: 88px 1fr 70px;
  align-items: center;
  gap: .7rem;
}

.bar-track {
  height: 10px;
  background: #e8eef4;
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #2ba678);
}

.tabs,
.segmented {
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
}

.tab,
.segment {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--label);
  border-radius: 7px;
  padding: .48rem .72rem;
  font-weight: 750;
}

.tab.active,
.segment.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.qr-card {
  display: grid;
  gap: .8rem;
  justify-items: center;
  text-align: center;
}

.qr-box {
  width: 184px;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: .55rem;
}

.qr-box canvas {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

.vehicle-grid {
  display: grid;
  gap: .5rem;
  grid-template-columns: repeat(4, minmax(70px, 1fr));
}

.tire-slot {
  min-height: 76px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  place-items: center;
  text-align: center;
  background: var(--surface);
  padding: .45rem;
}

.tire-slot strong {
  display: block;
}

.tire-reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.tire-map-card {
  display: grid;
  gap: .9rem;
}

.tire-map-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .8rem;
}

.tire-map-card header strong {
  display: block;
}

.tire-map-card header p {
  margin: .2rem 0 0;
  color: var(--muted);
  font-size: .84rem;
}

.underbody-diagram {
  position: relative;
  display: grid;
  grid-template-rows: repeat(var(--axles), minmax(46px, auto));
  gap: .55rem;
  min-height: calc(var(--axles) * 54px);
  padding: 1.85rem .65rem 1.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(23, 107, 135, .08), rgba(43, 166, 120, .06));
  overflow: hidden;
}

.top-view-diagram {
  background:
    linear-gradient(180deg, rgba(23, 107, 135, .11), rgba(43, 166, 120, .07)),
    repeating-linear-gradient(90deg, transparent 0 42px, rgba(15, 23, 42, .035) 42px 43px);
}

.vehicle-orientation {
  position: absolute;
  left: .65rem;
  right: .65rem;
  z-index: 2;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0;
  pointer-events: none;
}

.vehicle-orientation.front {
  top: .45rem;
  text-align: center;
}

.vehicle-orientation.rear {
  bottom: .35rem;
  text-align: center;
}

.vehicle-chassis {
  position: absolute;
  inset: .8rem 38%;
  border: 1px solid rgba(23, 107, 135, .28);
  border-radius: 7px;
  background: rgba(255, 255, 255, .58);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
  writing-mode: vertical-rl;
  text-transform: uppercase;
  letter-spacing: 0;
}

.underbody-diagram.trailer .vehicle-chassis {
  inset: .8rem 34%;
}

.underbody-diagram.light .vehicle-chassis {
  inset: 1rem 40%;
}

.tire-axle {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(92px, 1fr) minmax(84px, .55fr) minmax(92px, 1fr);
  align-items: center;
  gap: .55rem;
}

.wheel-side {
  display: flex;
  gap: .35rem;
  align-items: center;
}

.wheel-side.left {
  justify-content: flex-end;
}

.wheel-side.right {
  justify-content: flex-start;
}

.axle-beam {
  height: 10px;
  border-radius: 999px;
  background: #64748b;
  position: relative;
  display: grid;
  place-items: center;
}

.axle-beam span {
  position: absolute;
  top: -1.35rem;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 850;
}

.wheel {
  width: 48px;
  min-height: 38px;
  border: 2px solid #1f2937;
  border-radius: 12px;
  background: #111827;
  color: #fff;
  display: grid;
  place-items: center;
  padding: .18rem;
  text-align: center;
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, .08);
  cursor: pointer;
}

.wheel.installed {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .16), inset 0 0 0 3px rgba(255, 255, 255, .08);
}

.wheel.selected {
  border-color: var(--warning);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, .24), inset 0 0 0 3px rgba(255, 255, 255, .1);
  transform: translateY(-1px);
}

.wheel span {
  font-size: .58rem;
  line-height: 1.05;
}

.wheel small {
  color: #bfdbfe;
  font-size: .58rem;
  font-weight: 850;
}

.checklist {
  display: grid;
  gap: .6rem;
}

.check-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .8rem;
  align-items: center;
  padding: .7rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.full-line {
  grid-column: 1 / -1;
}

.report-brand {
  background: var(--surface);
  color: var(--text);
  border: 0;
  margin: 0;
  padding: 0;
}

.switch {
  display: inline-flex;
  width: 58px;
  height: 30px;
  padding: 3px;
  border-radius: 999px;
  background: #cbd5e1;
}

.switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch span {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  transition: transform .16s ease, background .16s ease;
}

.switch input:checked + span {
  transform: translateX(28px);
  background: #d1fae5;
}

.switch:has(input:checked) {
  background: var(--success);
}

.toast-root {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 80;
  display: grid;
  gap: .5rem;
}

.toast {
  max-width: 360px;
  background: #17202a;
  color: #fff;
  border-radius: 8px;
  padding: .8rem .9rem;
  box-shadow: var(--shadow);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(15, 23, 42, .46);
}

.modal {
  width: min(680px, 100%);
  max-height: min(760px, 92vh);
  overflow: auto;
  background: var(--surface);
  border-radius: 8px;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.modal header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.modal h3 {
  margin: 0;
}

.setup-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 360px 1fr;
}

.setup-rail {
  background: var(--surface);
  color: #fff;
  padding: 2rem;
  display: grid;
  align-content: center;
  gap: 1rem;
  border-right: 1px solid var(--line);
}

.setup-rail .eyebrow,
.setup-rail p {
  color: var(--muted);
}

.setup-rail h1 {
  color: var(--primary-dark);
}

.setup-rail h1 {
  margin: 0;
  font-size: 2.5rem;
}

.setup-brand-art {
  margin: 0 0 .5rem;
  width: clamp(150px, 48vw, 210px);
  max-height: 130px;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  justify-self: center;
  display: grid;
  place-items: center;
  padding: .55rem;
}

.setup-brand-art img {
  display: block;
  width: 100%;
  max-height: 100px;
  height: auto;
  object-fit: contain;
}

.setup-card {
  display: grid;
  align-content: center;
  padding: clamp(1rem, 5vw, 4rem);
}

.steps {
  display: grid;
  gap: .55rem;
}

.step {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: .7rem;
  color: var(--muted);
  background: var(--surface);
}

.step.active {
  background: #e8f4f8;
  border-color: rgba(23, 107, 135, .28);
  color: var(--primary-dark);
}

.api-route {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: .75rem;
  align-items: center;
}

.method {
  display: inline-flex;
  justify-content: center;
  border-radius: 6px;
  padding: .28rem .45rem;
  background: #eef6ff;
  color: #1d4ed8;
  font-weight: 850;
  font-size: .78rem;
}

.print-only {
  display: none;
}

svg.icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

@media (max-width: 1120px) {
  .grid.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bi-kpis {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .bi-filter-strip {
    grid-template-columns: 1fr;
  }

  .bi-visual,
  .bi-visual-wide,
  .bi-visual-tall {
    grid-column: span 6;
  }
}

@media (max-width: 860px) {
  #app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    transform: translateX(-105%);
    transition: transform .18s ease;
    width: min(310px, 88vw);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-menu,
  .mobile-close {
    display: inline-flex;
  }

  .mobile-close {
    margin-left: auto;
    margin-bottom: .8rem;
  }

  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .topbar-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .auth-layout,
  .setup-layout {
    grid-template-columns: 1fr;
  }

  .auth-copy,
  .setup-rail {
    min-height: 36vh;
  }

  .auth-product-logo {
    width: min(46vw, 150px);
    justify-self: center;
  }

  .auth-product-logo img {
    max-height: 70px;
  }

  .auth-hero-logo {
    width: min(48vw, 170px);
  }

  .auth-hero-logo img {
    max-height: 82px;
  }

  .setup-brand-art {
    width: min(58vw, 190px);
    max-height: 116px;
  }

  .setup-brand-art img {
    max-height: 90px;
  }

  .grid.two,
  .grid.three,
  .grid.four,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .span-2 {
    grid-column: auto;
  }

  .vehicle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tire-axle {
    grid-template-columns: minmax(72px, 1fr) minmax(58px, .45fr) minmax(72px, 1fr);
    gap: .35rem;
  }

  .wheel {
    width: 40px;
    min-height: 34px;
  }

  .bi-filter-form,
  .bi-kpis,
  .bi-canvas,
  .bi-status-grid,
  .bi-route-summary,
  .bi-split-total,
  .bi-nested-grid,
  .report-menu-grid,
  .tire-reference-grid {
    grid-template-columns: 1fr;
  }

  .route-fuel-summary,
  .route-fuel-mini {
    grid-template-columns: 1fr;
  }

  .bi-visual,
  .bi-visual-wide,
  .bi-visual-tall,
  .bi-visual-full {
    grid-column: auto;
  }

  .bi-column-chart {
    min-height: 180px;
  }
}

@media (max-width: 560px) {
  .content {
    padding: .85rem;
  }

  .topbar-actions {
    justify-content: stretch;
  }

  .topbar-actions > * {
    flex: 1;
  }

  .role-switch {
    min-width: 0;
  }

  .list-row,
  .panel-header,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .api-route {
    grid-template-columns: 1fr;
  }

  .bi-filter-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .bi-bar-row {
    grid-template-columns: 1fr;
  }

  .bi-column-chart {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media print {
  .sidebar,
  .topbar,
  .app-footer,
  .public-footer,
  .no-print,
  .toast-root {
    display: none !important;
  }

  #app-shell {
    display: block;
  }

  body {
    background: #fff;
  }

  .panel {
    box-shadow: none;
    break-inside: avoid;
  }

  .print-only {
    display: block;
  }
}