:root {
  color-scheme: dark;
  --bg: #07101d;
  --bg-deep: #050b14;
  --sidebar: #081321;
  --surface: #0d1928;
  --surface-2: #111f30;
  --surface-3: #16263a;
  --line: rgba(153, 177, 204, 0.14);
  --line-strong: rgba(153, 177, 204, 0.24);
  --text: #f5f8fc;
  --muted: #95a7bd;
  --muted-2: #6f839c;
  --blue: #63a6ff;
  --cyan: #55e6d0;
  --green: #6ee7a8;
  --amber: #ffbd69;
  --orange: #ff895e;
  --red: #ff5d72;
  --purple: #aa8cff;
  --shadow: 0 22px 58px rgba(0, 0, 0, 0.24);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --sidebar-width: 252px;
  --topbar-height: 72px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", sans-serif;
}

* { box-sizing: border-box; }
html { max-width: 100%; overflow-x: clip; scroll-behavior: smooth; }
body { max-width: 100%; margin: 0; overflow-x: clip; min-width: 320px; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; }
button, select { color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; clip-path: inset(50%) !important; }

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    radial-gradient(circle at 84% 9%, rgba(64, 130, 223, 0.12), transparent 29%),
    radial-gradient(circle at 62% 68%, rgba(44, 216, 190, 0.055), transparent 31%),
    linear-gradient(180deg, #081321 0%, #07101d 46%, #060e19 100%);
}

.app-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  display: flex;
  width: var(--sidebar-width);
  flex-direction: column;
  padding: 26px 18px 20px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8, 19, 33, 0.98), rgba(6, 15, 26, 0.98));
  box-shadow: 12px 0 40px rgba(0, 0, 0, 0.12);
}

.brand { display: flex; align-items: center; gap: 11px; padding: 0 8px 25px; }
.brand-mark { width: 38px; height: 38px; filter: drop-shadow(0 8px 18px rgba(85, 230, 208, 0.16)); }
.brand-mark path:first-child { fill: rgba(85, 230, 208, 0.09); stroke: var(--cyan); stroke-width: 1.35; }
.brand-mark .brand-route { fill: none; stroke: var(--blue); stroke-linecap: round; stroke-width: 1.8; }
.brand-mark .brand-dot { fill: #fff; }
.brand-copy { display: flex; flex-direction: column; gap: 3px; }
.brand-copy strong { font-size: 17px; letter-spacing: -0.02em; }
.brand-copy small { color: var(--muted-2); font-size: 8px; font-weight: 700; letter-spacing: 0.16em; }
.nav-eyebrow, .eyebrow, .panel-kicker {
  margin: 0;
  color: var(--muted-2);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.14em;
}
.nav-eyebrow { padding: 0 12px 9px; }
.nav-list { display: flex; flex-direction: column; gap: 5px; }
.nav-item {
  display: grid;
  grid-template-columns: 21px 1fr auto;
  gap: 11px;
  align-items: center;
  width: 100%;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: var(--muted);
  background: transparent;
  text-align: left;
  transition: 160ms ease;
}
.nav-item svg { width: 19px; fill: currentColor; }
.nav-item span { font-size: 13px; font-weight: 620; }
.nav-item kbd { color: var(--muted-2); font-size: 9px; font-family: inherit; }
.nav-item:hover { color: var(--text); background: rgba(255,255,255,.035); }
.nav-item.is-active {
  color: #dffdfa;
  border-color: rgba(85, 230, 208, 0.16);
  background: linear-gradient(90deg, rgba(85, 230, 208, 0.14), rgba(85, 230, 208, 0.035));
  box-shadow: inset 3px 0 0 var(--cyan);
}
.nav-item.is-active svg { color: var(--cyan); }
.sidebar-divider { height: 1px; margin: 21px 9px; background: var(--line); }
.trust-stack { display: flex; flex-direction: column; gap: 5px; }
.trust-layer { display: grid; grid-template-columns: 9px 1fr auto; gap: 9px; align-items: center; padding: 7px 12px; color: var(--muted-2); }
.trust-layer i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted-2); box-shadow: 0 0 0 3px rgba(111, 131, 156, .08); }
.trust-layer span { font-size: 10px; font-weight: 600; }
.trust-layer small { font-size: 8px; }
.trust-layer.is-on:nth-of-type(2) i { background: var(--cyan); }
.trust-layer.is-on:nth-of-type(3) i { background: var(--blue); }
.trust-layer.is-on:nth-of-type(4) i { background: var(--purple); }
.trust-layer.is-on:nth-of-type(5) i { background: var(--green); }
.sidebar-status {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: auto;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255,255,255,.025);
}
.status-orbit { position: relative; width: 28px; height: 28px; border: 1px solid rgba(85, 230, 208, .25); border-radius: 50%; }
.status-orbit::before { position: absolute; inset: 5px; content: ""; border: 1px dashed rgba(85, 230, 208, .3); border-radius: 50%; animation: spin 8s linear infinite; }
.status-orbit span { position: absolute; top: 50%; left: 50%; width: 6px; height: 6px; transform: translate(-50%,-50%); border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.sidebar-status div:last-child { display: flex; min-width: 0; flex-direction: column; gap: 2px; }
.sidebar-status strong { font-size: 10px; }
.sidebar-status small { overflow: hidden; color: var(--muted-2); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }

.main-shell { min-height: 100vh; margin-left: var(--sidebar-width); }
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  height: var(--topbar-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(22px, 3.1vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 29, .82);
  backdrop-filter: blur(18px);
}
.mobile-brand { display: none; }
.breadcrumb { display: flex; align-items: center; gap: 9px; color: var(--muted-2); font-size: 11px; }
.breadcrumb i { opacity: .45; font-style: normal; }
.breadcrumb strong { color: var(--text); font-weight: 650; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.mode-pill { display: flex; gap: 7px; align-items: center; padding: 7px 10px; border: 1px solid rgba(85,230,208,.17); border-radius: 99px; color: #b9f9ee; background: rgba(85,230,208,.07); font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.mode-pill span { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 9px var(--cyan); }
.role-control { display: flex; align-items: center; gap: 8px; padding: 6px 9px 6px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.role-control small { color: var(--muted-2); font-size: 8px; font-weight: 750; letter-spacing: .1em; }
.role-control select, .filter-row select {
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 11px;
  font-weight: 650;
}
.icon-button { display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.icon-button:hover { border-color: var(--line-strong); background: var(--surface-2); }
.icon-button svg { width: 16px; fill: var(--muted); }
.refresh-button.is-spinning svg { animation: spin 800ms linear infinite; }

.global-alert { margin: 20px clamp(22px,3.1vw,48px) -3px; padding: 12px 14px; border: 1px solid rgba(255,93,114,.28); border-radius: 11px; color: #ffc2cb; background: rgba(255,93,114,.09); font-size: 12px; }
.view { display: none; padding: 38px clamp(22px, 3.1vw, 48px) 24px; animation: view-in 250ms ease; }
.view.is-active { display: block; }
#view-fleet { overflow-x: clip; }
.page-heading { display: flex; gap: 28px; align-items: flex-end; justify-content: space-between; margin-bottom: 24px; }
.page-heading h1 { margin: 8px 0 7px; font-size: clamp(26px, 3vw, 39px); font-weight: 700; letter-spacing: -.04em; }
.page-heading p:not(.eyebrow) { max-width: 660px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.eyebrow { color: var(--cyan); }
.heading-actions { display: flex; flex-shrink: 0; gap: 9px; }
.primary-button, .secondary-button {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  justify-content: center;
  min-height: 39px;
  padding: 0 15px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
}
.primary-button { border: 1px solid rgba(85,230,208,.5); color: #07141b; background: var(--cyan); box-shadow: 0 10px 24px rgba(85,230,208,.13); }
.primary-button:hover { filter: brightness(1.05); transform: translateY(-1px); }
.primary-button svg { width: 13px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.secondary-button { border: 1px solid var(--line); color: var(--text); background: var(--surface); }
.secondary-button:hover { border-color: var(--line-strong); background: var(--surface-2); }
.button-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--purple); box-shadow: 0 0 8px var(--purple); }
.compact-heading { align-items: center; margin-bottom: 25px; }

.integrity-banner { display: grid; grid-template-columns: auto 1fr auto; gap: 13px; align-items: center; margin-bottom: 18px; padding: 13px 16px; border: 1px solid rgba(85,230,208,.14); border-radius: 14px; background: linear-gradient(90deg, rgba(85,230,208,.075), rgba(99,166,255,.035)); }
.integrity-icon { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 9px; color: var(--cyan); background: rgba(85,230,208,.09); }
.integrity-icon svg { width: 17px; fill: currentColor; }
.integrity-banner div:nth-child(2) { display: flex; flex-direction: column; gap: 3px; }
.integrity-banner strong { font-size: 11px; }
.integrity-banner span { color: var(--muted); font-size: 9px; }
.integrity-banner button { border: 0; color: var(--cyan); background: transparent; font-size: 9px; font-weight: 700; }

.kpi-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 12px; margin-bottom: 14px; }
.kpi-card {
  position: relative;
  min-height: 130px;
  overflow: hidden;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(17,31,48,.92), rgba(11,24,39,.92));
  box-shadow: 0 16px 38px rgba(0,0,0,.11);
}
.kpi-card::after { position: absolute; right: -22px; bottom: -34px; width: 92px; height: 92px; content: ""; border: 1px solid rgba(255,255,255,.045); border-radius: 50%; }
.kpi-card:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.kpi-card-top { display: flex; align-items: center; justify-content: space-between; }
.kpi-label { color: var(--muted); font-size: 10px; font-weight: 620; }
.kpi-icon { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 8px; color: var(--kpi-accent, var(--blue)); background: color-mix(in srgb, var(--kpi-accent, var(--blue)) 11%, transparent); }
.kpi-icon svg { width: 14px; fill: currentColor; }
.kpi-value { display: flex; gap: 5px; align-items: baseline; margin-top: 12px; font-size: 31px; font-weight: 730; letter-spacing: -.04em; }
.kpi-value small { color: var(--muted-2); font-size: 11px; font-weight: 600; }
.kpi-meta { display: flex; gap: 6px; align-items: center; margin-top: 7px; color: var(--muted-2); font-size: 9px; }
.change-chip { padding: 3px 6px; border-radius: 99px; font-weight: 750; }
.change-chip.up { color: #ffadb9; background: rgba(255,93,114,.1); }
.change-chip.down { color: #aaf5d0; background: rgba(110,231,168,.1); }
.change-chip.stable { color: #c1ccda; background: rgba(149,167,189,.1); }

.panel { border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(155deg, rgba(14,27,43,.95), rgba(10,21,35,.95)); box-shadow: var(--shadow); }
.dashboard-grid { display: grid; gap: 14px; margin-bottom: 14px; }
.dashboard-grid--top { grid-template-columns: minmax(0, 1.9fr) minmax(270px, .8fr); }
.dashboard-grid--bottom { grid-template-columns: minmax(0, 1.45fr) minmax(330px, .85fr); }
.panel--trend, .panel--distribution, .panel--ranking, .panel--events { padding: 20px; }
.panel-heading { display: flex; gap: 18px; align-items: center; justify-content: space-between; }
.panel-heading h2 { margin: 4px 0 0; font-size: 15px; font-weight: 680; letter-spacing: -.02em; }
.range-switcher { display: flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg-deep); }
.range-switcher button { min-width: 34px; padding: 5px 7px; border: 0; border-radius: 6px; color: var(--muted-2); background: transparent; font-size: 8px; font-weight: 750; }
.range-switcher button.is-active { color: var(--text); background: var(--surface-3); }
.chart-legend { display: flex; gap: 15px; margin-top: 14px; color: var(--muted-2); font-size: 8px; }
.chart-legend span { display: flex; gap: 6px; align-items: center; }
.legend-line, .legend-dash { width: 16px; height: 2px; background: var(--cyan); }
.legend-dash { height: 0; border-top: 1px dashed var(--blue); background: transparent; }
.line-chart { min-height: 230px; margin-top: 4px; }
.line-chart svg { width: 100%; height: 230px; overflow: visible; }
.chart-axis { fill: var(--muted-2); font-size: 8px; }
.chart-grid { stroke: rgba(153,177,204,.09); stroke-width: 1; }
.chart-area { fill: url(#risk-area-gradient); }
.chart-line { fill: none; stroke: var(--cyan); stroke-linecap: round; stroke-linejoin: round; stroke-width: 2.2; filter: drop-shadow(0 3px 6px rgba(85,230,208,.16)); }
.chart-average { fill: none; stroke: var(--blue); stroke-dasharray: 4 4; stroke-linecap: round; stroke-width: 1.5; }
.chart-marker { cursor: pointer; fill: var(--surface); stroke: var(--red); stroke-width: 2; }
.chart-marker:hover { r: 4.5px; }
.chart-insight { min-height: 26px; margin-top: 2px; padding: 8px 10px; border-left: 2px solid var(--cyan); color: var(--muted); background: rgba(85,230,208,.035); font-size: 9px; line-height: 1.45; }
.live-chip { padding: 4px 7px; border-radius: 99px; color: #bceee7; background: rgba(85,230,208,.075); font-size: 8px; }
.distribution-wrap { position: relative; display: grid; min-height: 180px; place-items: center; }
.donut { position: relative; width: 142px; height: 142px; border-radius: 50%; background: conic-gradient(var(--green) 0 var(--low), var(--amber) var(--low) var(--medium), var(--orange) var(--medium) var(--high), var(--red) var(--high) 100%); box-shadow: 0 0 35px rgba(99,166,255,.08); }
.donut::after { position: absolute; inset: 17px; content: ""; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); }
.donut-center { position: absolute; z-index: 1; display: flex; flex-direction: column; align-items: center; }
.donut-center strong { font-size: 28px; letter-spacing: -.04em; }
.donut-center span { color: var(--muted-2); font-size: 8px; }
.distribution-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.distribution-item { display: flex; align-items: center; justify-content: space-between; padding: 7px 8px; border-radius: 8px; background: rgba(255,255,255,.022); }
.distribution-item span { display: flex; gap: 6px; align-items: center; color: var(--muted); font-size: 9px; }
.distribution-item i { width: 6px; height: 6px; border-radius: 50%; background: var(--item-color); }
.distribution-item strong { font-size: 10px; }
.text-button { border: 0; color: var(--muted); background: transparent; font-size: 9px; font-weight: 650; }
.text-button:hover { color: var(--cyan); }

.table-wrap { width: 100%; max-width: 100%; overflow-x: auto; contain: inline-size; overscroll-behavior-inline: contain; }
.data-table { width: 100%; margin-top: 12px; border-collapse: collapse; }
.data-table th { padding: 9px 10px; border-bottom: 1px solid var(--line); color: var(--muted-2); font-size: 8px; font-weight: 650; letter-spacing: .05em; text-align: left; text-transform: uppercase; }
.data-table td { padding: 12px 10px; border-bottom: 1px solid rgba(153,177,204,.075); color: var(--muted); font-size: 10px; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tbody tr { transition: 130ms ease; }
.data-table tbody tr:hover { background: rgba(255,255,255,.022); }
.rank-number { color: var(--muted-2); font-size: 9px; font-weight: 700; }
.rank-number.top { color: var(--amber); }
.vehicle-cell { display: flex; gap: 9px; align-items: center; }
.vehicle-avatar { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid var(--line); border-radius: 8px; color: var(--blue); background: rgba(99,166,255,.07); font-size: 8px; font-weight: 750; }
.vehicle-cell div { display: flex; flex-direction: column; gap: 2px; }
.vehicle-cell strong { color: var(--text); font-size: 10px; }
.vehicle-cell small { color: var(--muted-2); font-size: 7px; }
.score-cell { display: flex; gap: 8px; align-items: center; min-width: 94px; }
.score-bar { width: 47px; height: 4px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.07); }
.score-bar i { display: block; width: var(--score); height: 100%; border-radius: inherit; background: var(--score-color); }
.score-cell strong { color: var(--text); }
.trend-value { font-weight: 700; }
.trend-value.up { color: var(--red); }
.trend-value.down { color: var(--green); }
.trend-value.stable { color: var(--muted); }
.row-action { width: 25px; height: 25px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); background: transparent; }
.row-action:hover { color: var(--cyan); border-color: rgba(85,230,208,.35); }
.risk-badge, .source-badge { display: inline-flex; gap: 5px; align-items: center; padding: 4px 7px; border: 1px solid color-mix(in srgb, var(--badge-color) 25%, transparent); border-radius: 99px; color: var(--badge-color); background: color-mix(in srgb, var(--badge-color) 7%, transparent); font-size: 7px; font-weight: 750; letter-spacing: .04em; white-space: nowrap; }
.risk-badge::before, .source-badge::before { width: 5px; height: 5px; content: ""; border-radius: 50%; background: currentColor; }
.source-badge { --badge-color: var(--blue); }

.event-list { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.event-row { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; width: 100%; padding: 10px; border: 1px solid transparent; border-radius: 11px; color: inherit; background: rgba(255,255,255,.02); text-align: left; }
.event-row:hover { border-color: var(--line); background: rgba(255,255,255,.035); }
.event-score { display: grid; width: 39px; height: 39px; place-items: center; border: 1px solid color-mix(in srgb, var(--score-color) 30%, transparent); border-radius: 10px; color: var(--score-color); background: color-mix(in srgb, var(--score-color) 8%, transparent); font-size: 13px; font-weight: 750; }
.event-copy { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.event-copy strong { overflow: hidden; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.event-copy span { color: var(--muted-2); font-size: 8px; }
.event-arrow { color: var(--muted-2); }

.fleet-layout { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(285px,.7fr); gap: 14px; align-items: start; }
.fleet-table-panel, .vehicle-preview { padding: 20px; }
.table-search { display: flex; gap: 6px; align-items: center; padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg-deep); }
.table-search span { color: var(--muted-2); }
.table-search input { width: 120px; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 9px; }
.fleet-table .source-badge { max-width: 120px; overflow: hidden; text-overflow: ellipsis; }
.vehicle-preview { position: sticky; top: calc(var(--topbar-height) + 18px); min-height: 420px; }
.empty-panel { display: grid; min-height: 370px; place-content: center; justify-items: center; text-align: center; }
.empty-panel > span { display: grid; width: 54px; height: 54px; place-items: center; border: 1px dashed var(--line-strong); border-radius: 16px; color: var(--muted-2); font-size: 10px; }
.empty-panel h3 { margin: 13px 0 5px; font-size: 14px; }
.empty-panel p { max-width: 190px; margin: 0; color: var(--muted-2); font-size: 9px; line-height: 1.5; }
.vehicle-preview-header { display: flex; align-items: flex-start; justify-content: space-between; }
.vehicle-preview-header h2 { margin: 5px 0 3px; font-size: 20px; }
.vehicle-preview-header p { margin: 0; color: var(--muted-2); font-size: 8px; }
.preview-score { display: grid; width: 54px; height: 54px; place-items: center; border: 5px solid color-mix(in srgb, var(--score-color) 45%, var(--surface-3)); border-radius: 50%; color: var(--score-color); font-size: 17px; font-weight: 750; }
.mini-chart { min-height: 105px; margin: 16px 0 10px; }
.mini-chart svg { width: 100%; height: 105px; }
.preview-section { margin-top: 15px; padding-top: 14px; border-top: 1px solid var(--line); }
.preview-section h3 { margin: 0 0 9px; color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .08em; }
.factor-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.factor-pills span { padding: 5px 7px; border-radius: 7px; color: #b9c9da; background: rgba(99,166,255,.07); font-size: 8px; }
.suggestions { display: flex; flex-direction: column; gap: 7px; margin: 0; padding: 0; list-style: none; }
.suggestions li { display: grid; grid-template-columns: 14px 1fr; gap: 7px; color: var(--muted); font-size: 8px; line-height: 1.45; }
.suggestions li::before { display: grid; width: 14px; height: 14px; place-items: center; content: "✓"; border-radius: 50%; color: var(--green); background: rgba(110,231,168,.08); font-size: 7px; }

.filter-row { display: flex; gap: 8px; }
.filter-row select { min-width: 130px; padding: 9px 30px 9px 11px; border: 1px solid var(--line); border-radius: 9px; background-color: var(--surface); }
.events-summary { display: flex; gap: 10px; margin-bottom: 14px; }
.summary-chip { display: flex; gap: 7px; align-items: center; padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: rgba(255,255,255,.02); font-size: 9px; }
.summary-chip strong { color: var(--text); }
.event-card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.event-card { position: relative; overflow: hidden; padding: 16px; border: 1px solid var(--line); border-radius: 15px; background: linear-gradient(150deg, rgba(17,31,48,.94), rgba(10,21,35,.94)); text-align: left; }
.event-card::before { position: absolute; inset: 0 auto 0 0; width: 2px; content: ""; background: var(--score-color); opacity: .7; }
.event-card:hover { border-color: color-mix(in srgb,var(--score-color) 30%,var(--line)); transform: translateY(-2px); box-shadow: var(--shadow); }
.event-card-top { display: flex; align-items: center; justify-content: space-between; }
.event-card-score { color: var(--score-color); font-size: 25px; font-weight: 750; letter-spacing: -.04em; }
.event-card-score small { color: var(--muted-2); font-size: 8px; }
.event-card h3 { margin: 13px 0 5px; font-size: 12px; }
.event-card-meta { display: flex; gap: 7px; color: var(--muted-2); font-size: 8px; }
.event-card-factor { min-height: 34px; margin: 12px 0; padding: 8px; border-radius: 8px; color: var(--muted); background: rgba(255,255,255,.022); font-size: 8px; line-height: 1.45; }
.event-card-footer { display: flex; align-items: center; justify-content: space-between; }

.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.model-card, .metrics-card, .lineage-card, .limitation-card { min-height: 300px; padding: 22px; }
.model-card { grid-row: span 1; }
.model-title { display: flex; align-items: flex-start; justify-content: space-between; }
.model-title h2 { margin: 5px 0 4px; font-size: 18px; }
.model-title p { margin: 0; color: var(--muted); font-size: 9px; }
.model-version { padding: 5px 8px; border-radius: 8px; color: var(--purple); background: rgba(170,140,255,.08); font-size: 8px; font-weight: 700; }
.definition-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.definition-item { padding: 10px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,255,255,.018); }
.definition-item small { display: block; margin-bottom: 5px; color: var(--muted-2); font-size: 7px; text-transform: uppercase; letter-spacing: .08em; }
.definition-item strong { font-size: 10px; }
.feature-cloud { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.feature-cloud span { padding: 5px 7px; border: 1px solid rgba(99,166,255,.12); border-radius: 7px; color: #aac9ef; background: rgba(99,166,255,.04); font-size: 7px; }
.metric-hero { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-top: 17px; }
.metric-hero div { padding: 13px 8px; border: 1px solid var(--line); border-radius: 10px; text-align: center; }
.metric-hero strong { display: block; font-size: 21px; letter-spacing: -.03em; }
.metric-hero span { color: var(--muted-2); font-size: 7px; }
.confusion-wrap { display: grid; grid-template-columns: auto 1fr; gap: 13px; align-items: center; margin-top: 17px; }
.confusion-matrix { display: grid; grid-template-columns: repeat(2,54px); gap: 4px; }
.confusion-matrix div { display: grid; height: 48px; place-items: center; border-radius: 7px; background: rgba(99,166,255,var(--heat)); font-size: 12px; font-weight: 700; }
.confusion-copy { color: var(--muted); font-size: 8px; line-height: 1.6; }
.lineage-flow { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; align-items: stretch; margin-top: 19px; }
.lineage-node { position: relative; min-height: 110px; padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.02); }
.lineage-node:not(:last-child)::after { position: absolute; top: 50%; right: -17px; content: "→"; color: var(--muted-2); }
.lineage-node i { display: block; width: 8px; height: 8px; margin-bottom: 10px; border-radius: 50%; background: var(--node-color); box-shadow: 0 0 11px var(--node-color); }
.lineage-node strong { display: block; font-size: 10px; }
.lineage-node span { display: block; margin-top: 5px; color: var(--muted-2); font-size: 7px; line-height: 1.5; }
.lineage-counts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.lineage-counts span { padding: 6px 8px; border-radius: 7px; color: var(--muted); background: rgba(255,255,255,.025); font-size: 8px; }
.limitation-callout { display: grid; grid-template-columns: auto 1fr; gap: 11px; margin-top: 18px; padding: 13px; border: 1px solid rgba(255,189,105,.16); border-radius: 11px; background: rgba(255,189,105,.055); }
.limitation-callout svg { width: 17px; fill: var(--amber); }
.limitation-callout p { margin: 0; color: #d5c4a9; font-size: 9px; line-height: 1.65; }
.boundary-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 16px 0 0; padding: 0; list-style: none; }
.boundary-list li { padding: 8px 9px; border-radius: 8px; color: var(--muted); background: rgba(255,255,255,.022); font-size: 8px; }
.boundary-list li::before { margin-right: 6px; content: "✓"; color: var(--green); }

.event-drawer { position: fixed; inset: 0 0 0 auto; z-index: 70; width: min(680px, 94vw); overflow-y: auto; border-left: 1px solid var(--line-strong); background: #091524; box-shadow: -30px 0 80px rgba(0,0,0,.42); transform: translateX(103%); transition: transform 280ms cubic-bezier(.2,.75,.25,1); }
.event-drawer.is-open { transform: translateX(0); }
.drawer-backdrop { position: fixed; inset: 0; z-index: 65; background: rgba(2,7,13,.7); backdrop-filter: blur(4px); }
.drawer-header { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; padding: 20px 23px; border-bottom: 1px solid var(--line); background: rgba(9,21,36,.92); backdrop-filter: blur(14px); }
.drawer-header h2 { margin: 4px 0 0; font-size: 17px; }
.drawer-close { width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: var(--surface); font-size: 20px; line-height: 1; }
.drawer-content { padding: 22px; }
.drawer-loading { display: grid; min-height: 65vh; place-content: center; justify-items: center; color: var(--muted); font-size: 10px; }
.drawer-loading span { width: 28px; height: 28px; border: 2px solid var(--line); border-top-color: var(--cyan); border-radius: 50%; animation: spin 900ms linear infinite; }
.event-hero { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(120deg,color-mix(in srgb,var(--score-color) 8%,transparent),rgba(255,255,255,.015)); }
.risk-orb { display: grid; width: 92px; height: 92px; place-items: center; border: 7px solid color-mix(in srgb,var(--score-color) 50%,var(--surface-3)); border-radius: 50%; box-shadow: 0 0 30px color-mix(in srgb,var(--score-color) 12%,transparent); }
.risk-orb strong { color: var(--score-color); font-size: 29px; letter-spacing: -.04em; }
.risk-orb small { display: block; color: var(--muted-2); font-size: 7px; text-align: center; }
.event-hero-copy h3 { margin: 8px 0 5px; font-size: 18px; }
.event-hero-copy p { margin: 0; color: var(--muted); font-size: 9px; }
.event-meta-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; margin-top: 12px; }
.event-meta-grid div { padding: 9px; border-radius: 8px; background: rgba(255,255,255,.025); }
.event-meta-grid small { display: block; margin-bottom: 3px; color: var(--muted-2); font-size: 6px; text-transform: uppercase; }
.event-meta-grid strong { font-size: 8px; }
.drawer-section { margin-top: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 15px; background: rgba(13,25,40,.8); }
.drawer-section-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 13px; }
.drawer-section-heading h3 { margin: 0; font-size: 12px; }
.drawer-section-heading span { color: var(--muted-2); font-size: 7px; }
.factor-list { display: flex; flex-direction: column; gap: 7px; }
.factor-row { display: grid; grid-template-columns: 1fr 88px 35px; gap: 9px; align-items: center; }
.factor-label { display: flex; flex-direction: column; gap: 2px; }
.factor-label strong { font-size: 9px; }
.factor-label small { color: var(--muted-2); font-size: 7px; }
.factor-bar { height: 5px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.055); }
.factor-bar i { display: block; width: var(--factor); height: 100%; border-radius: inherit; background: var(--factor-color); }
.factor-value { color: var(--factor-color); font-size: 8px; text-align: right; }
.dual-timeline { min-height: 190px; }
.dual-timeline svg { width: 100%; height: 190px; }
.route-box { position: relative; min-height: 170px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: radial-gradient(circle at center,rgba(99,166,255,.07),transparent 55%), linear-gradient(rgba(153,177,204,.04) 1px,transparent 1px), linear-gradient(90deg,rgba(153,177,204,.04) 1px,transparent 1px); background-size: auto, 22px 22px, 22px 22px; }
.route-box svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.route-box path { fill: none; stroke: var(--cyan); stroke-linecap: round; stroke-linejoin: round; stroke-width: 3; filter: drop-shadow(0 0 6px rgba(85,230,208,.3)); }
.route-box circle { fill: var(--surface); stroke-width: 2; }
.evidence-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.evidence-item { min-width: 0; padding: 10px; border-radius: 9px; background: rgba(255,255,255,.022); }
.evidence-item.wide { grid-column: 1/-1; }
.evidence-item small { display: block; margin-bottom: 4px; color: var(--muted-2); font-size: 6px; text-transform: uppercase; letter-spacing: .06em; }
.evidence-item code, .evidence-item strong { display: block; overflow: hidden; color: #d4e0ee; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.evidence-note { margin: 10px 0 0; padding: 9px 10px; border-left: 2px solid var(--amber); color: #c8b79f; background: rgba(255,189,105,.04); font-size: 8px; line-height: 1.55; }

.app-footer { display: flex; justify-content: space-between; padding: 8px clamp(22px,3.1vw,48px) 22px; color: var(--muted-2); font-size: 8px; }
.empty-state { display: grid; min-height: 220px; place-content: center; justify-items: center; text-align: center; }
.empty-state > span { color: var(--muted-2); font-size: 22px; }
.empty-state h3 { margin: 10px 0 4px; font-size: 12px; }
.empty-state p { margin: 0; color: var(--muted-2); font-size: 8px; }
.loading-block, .skeleton-card, .table-skeleton, .list-skeleton { position: relative; overflow: hidden; background: rgba(255,255,255,.025); }
.skeleton-card::before, .loading-block::before, .table-skeleton::before, .list-skeleton::before { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg,transparent,rgba(255,255,255,.04),transparent); transform: translateX(-100%); animation: shimmer 1.5s infinite; }
.table-skeleton { height: 160px; border-radius: 10px; }
.list-skeleton { min-height: 210px; border-radius: 12px; }

/* Competition product language: restrained surfaces, explicit data states and
   keyboard-visible controls.  Decorative glow/continuous motion is avoided. */
body::before { background: #07101d; }
.sidebar { background: #081321; box-shadow: none; }
.brand-mark { filter: none; }
.nav-item { min-height: 44px; }
.nav-item.is-active { background: rgba(85,230,208,.095); box-shadow: inset 3px 0 0 var(--cyan); }
.status-orbit::before { animation: none; }
.status-orbit span, .mode-pill span, .button-dot, .lineage-node i { box-shadow: none; }
.topbar { background: rgba(7,16,29,.96); backdrop-filter: none; }
.data-window-pill { padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); background: var(--surface); font-size: 9px; font-weight: 650; white-space: nowrap; }
.kpi-card, .panel, .event-card { background: var(--surface); box-shadow: none; }
.panel, .dashboard-grid > *, .fleet-layout > * { min-width: 0; }
.kpi-card::after { display: none; }
.chart-line, .route-box path { filter: none; }
.primary-button { box-shadow: none; }
.event-hero { background: rgba(255,255,255,.018); }
.risk-orb { box-shadow: none; }
.drawer-backdrop { backdrop-filter: none; }

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.distribution-wrap { display: flex; min-height: 150px; flex-direction: column; align-items: stretch; justify-content: center; gap: 16px; }
.distribution-total { display: flex; align-items: baseline; justify-content: space-between; }
.distribution-total strong { font-size: 35px; letter-spacing: -.04em; }
.distribution-total span { color: var(--muted-2); font-size: 9px; font-weight: 700; letter-spacing: .06em; }
.stacked-distribution { display: flex; width: 100%; height: 34px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-deep); }
.stacked-distribution span { display: grid; width: var(--segment); min-width: 3px; place-items: center; color: #07101d; background: var(--segment-color); font-size: 8px; font-weight: 800; white-space: nowrap; }
.distribution-note { margin: 0; color: var(--muted-2); font-size: 9px; line-height: 1.5; }

.table-controls { display: flex; gap: 8px; align-items: center; }
.filter-control { display: flex; gap: 7px; align-items: center; min-height: 34px; padding: 5px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-deep); }
.filter-control > span { color: var(--muted-2); font-size: 8px; }
.filter-control select { border: 0; outline: 0; color: var(--text); background: transparent; font-size: 9px; }
.sort-button { display: inline-flex; gap: 5px; align-items: center; padding: 0; border: 0; color: inherit; background: transparent; font-size: inherit; font-weight: inherit; letter-spacing: inherit; text-transform: inherit; }
.sort-button span { color: var(--muted-2); }
.sort-button.is-active { color: var(--text); }
.data-table th { font-size: 9px; }
.data-table td { font-size: 11px; }
.row-action { width: 32px; height: 32px; }
.source-badge, .risk-badge { font-size: 8px; }
.drawer-close { width: 40px; height: 40px; }

.vehicle-profile-kpis { display: grid; grid-template-columns: repeat(2,1fr); gap: 7px; margin-top: 16px; }
.vehicle-profile-kpis > div { min-width: 0; padding: 9px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-deep); }
.vehicle-profile-kpis small { display: block; margin-bottom: 5px; color: var(--muted-2); font-size: 7px; letter-spacing: .06em; }
.vehicle-profile-kpis strong { color: var(--text); font-size: 10px; }
.risk-up { color: var(--red) !important; }
.risk-down { color: var(--green) !important; }
.profile-chart-caption { display: flex; justify-content: space-between; margin-top: -3px; color: var(--muted-2); font-size: 7px; letter-spacing: .05em; }
.profile-chart-caption strong { color: var(--muted); font-weight: 600; }
.coverage-meter { height: 6px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.07); }
.coverage-meter i { display: block; width: var(--coverage); height: 100%; background: var(--blue); }
.coverage-copy { margin: 7px 0 0; color: var(--muted-2); font-size: 8px; line-height: 1.5; }

.definition-item.wide { grid-column: 1 / -1; }
.importance-card { min-height: 300px; padding: 22px; }
.lineage-card { grid-column: 1 / -1; }
.importance-list { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.importance-row { display: grid; grid-template-columns: 24px minmax(110px,.8fr) minmax(90px,1fr) 52px; gap: 8px; align-items: center; }
.importance-row > span { color: var(--muted-2); font-size: 8px; }
.importance-row > strong { overflow: hidden; color: var(--muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.importance-row > div { height: 6px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.06); }
.importance-row i { display: block; width: var(--importance); height: 100%; background: var(--blue); }
.importance-row code { color: #bed7f6; font-size: 8px; text-align: right; }
.importance-note, .public-lineage-note { margin: 14px 0 0; padding: 9px 10px; border-left: 2px solid var(--blue); color: var(--muted-2); background: rgba(99,166,255,.04); font-size: 8px; line-height: 1.55; }
.matrix-axis-label { margin-bottom: 5px; color: var(--muted-2); font-size: 7px; text-align: center; }
.baseline-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 15px; }
.baseline-comparison > div { padding: 9px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-deep); }
.baseline-comparison span, .baseline-comparison strong { display: block; }
.baseline-comparison span { margin-bottom: 4px; color: var(--muted-2); font-size: 7px; }
.baseline-comparison strong { font-size: 8px; }
.baseline-comparison p { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 8px; line-height: 1.5; }

.context-compare { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.context-compare > div { padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-deep); }
.context-compare small, .context-compare strong, .context-compare span { display: block; }
.context-compare small { color: var(--muted-2); font-size: 6px; letter-spacing: .05em; }
.context-compare strong { margin: 5px 0 3px; font-size: 11px; }
.context-compare span { color: var(--muted-2); font-size: 7px; }
.context-note { margin: 10px 0 0; color: var(--muted-2); font-size: 8px; line-height: 1.5; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { to { transform: translateX(100%); } }
@keyframes view-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1180px) {
  .kpi-grid { grid-template-columns: repeat(3,1fr); }
  .kpi-card:nth-child(4), .kpi-card:nth-child(5) { grid-column: span 1; }
  .dashboard-grid--bottom { grid-template-columns: 1fr; }
  .event-card-grid { grid-template-columns: repeat(2,1fr); }
  .fleet-layout { grid-template-columns: 1fr; }
  .vehicle-preview { position: static; }
}

@media (max-width: 900px) {
  :root { --sidebar-width: 228px; }
  .sidebar { transform: translateX(-102%); transition: transform 220ms ease; }
  body.menu-open .sidebar { transform: translateX(0); }
  .main-shell { margin-left: 0; }
  .breadcrumb { display: none; }
  .mobile-brand { display: flex; gap: 10px; align-items: center; }
  .mobile-brand .icon-button { width: 32px; height: 32px; }
  .mobile-brand strong { font-size: 13px; }
  .dashboard-grid--top { grid-template-columns: 1fr; }
  .model-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .topbar { padding: 0 14px; }
  .mode-pill, .data-window-pill, .role-control small { display: none; }
  .role-control { max-width: 145px; }
  .view { padding: 25px 14px 18px; }
  .page-heading { align-items: flex-start; flex-direction: column; }
  .heading-actions { width: 100%; }
  .heading-actions button { flex: 1; }
  .integrity-banner { grid-template-columns: auto 1fr; }
  .integrity-banner > button { display: none; }
  .kpi-grid { grid-template-columns: repeat(2,1fr); }
  .kpi-card { min-height: 116px; }
  .kpi-card:last-child { grid-column: 1/-1; }
  .panel--trend, .panel--distribution, .panel--ranking, .panel--events { padding: 15px; }
  .event-card-grid { grid-template-columns: 1fr; }
  .filter-row { width: 100%; }
  .filter-row select { min-width: 0; flex: 1; }
  .events-summary { overflow-x: auto; }
  .model-card, .metrics-card, .lineage-card, .limitation-card { padding: 17px; }
  .importance-card { padding: 17px; }
  .table-controls { width: 100%; flex-wrap: wrap; }
  .table-search { flex: 1; }
  .table-search input { width: 100%; min-width: 80px; }
  .context-compare { grid-template-columns: 1fr 1fr; }
  .importance-row { grid-template-columns: 20px minmax(90px,.8fr) minmax(65px,1fr) 45px; }
  .lineage-flow { gap: 10px; }
  .lineage-node:not(:last-child)::after { display: none; }
  .event-meta-grid { grid-template-columns: 1fr 1fr; }
  .event-hero { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-item.wide { grid-column: auto; }
  .factor-row { grid-template-columns: 1fr 65px 30px; }
  .app-footer { gap: 6px; flex-direction: column; padding-inline: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}