:root {
  --bg: #0c0d10;
  --panel: #13151b;
  --panel-2: #1a1f2b;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f5f6f8;
  --muted: #8f97aa;
  --red: #ff1237;
  --red-dim: rgba(255, 18, 55, 0.16);
  --yellow: #ffd60a;
  --yellow-dim: rgba(255, 214, 10, 0.14);
  --green: #00d68f;
  --radius-lg: 22px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top right, rgba(255, 18, 55, 0.11), transparent 20%),
    linear-gradient(180deg, #08090d 0%, #0a0c11 40%, #08090d 100%);
  color: var(--text);
  font-family: "Barlow", sans-serif;
  letter-spacing: 0.02em;
}

button, input, select { font: inherit; }

.app-shell {
  width: min(1460px, calc(100vw - 26px));
  margin: 12px auto;
  border-radius: 28px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 18, 25, 0.96);
}

.brand-lockup { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.brand-wordmark {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.brand-wordmark span { color: var(--red); }

.season-tag {
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--red);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.topnav { display: flex; gap: 10px; flex-wrap: wrap; }

.nav-pill,
.compound-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.nav-pill.active,
.compound-pill.active {
  color: var(--text);
  border-color: rgba(255, 18, 55, 0.48);
  background: linear-gradient(180deg, rgba(255, 18, 55, 0.12), rgba(255, 18, 55, 0.04));
  box-shadow: inset 0 0 0 1px rgba(255, 18, 55, 0.12);
}

.dashboard {
  padding: 24px;
  display: grid;
  gap: 22px;
}

.panel,
.hero-metric,
.summary-card,
.recommendation-card,
.comparison-card,
.sim-card,
.archive-detail,
.spec-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0)),
    linear-gradient(135deg, rgba(255,18,55,0.04), transparent 34%);
}

.panel { padding: 22px; }

.global-selector {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 22px;
}

.selector-side {
  display: grid;
  gap: 14px;
  align-content: start;
  grid-template-rows: auto auto auto;
}

.context-compact {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 14px;
  margin-top: 18px;
  align-items: start;
}

.context-inline-block {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.context-inline-block strong {
  display: block;
  margin-top: 6px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.1rem;
  text-transform: uppercase;
  line-height: 1.05;
}

.context-inline-block p {
  margin: 6px 0 0;
  color: #b7bed0;
  line-height: 1.38;
  font-size: 0.88rem;
}

.context-usage-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.context-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: #c9d0df;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.context-chip.direct {
  border-color: rgba(255, 214, 10, 0.35);
  color: #ffe55f;
}

.context-chip.context {
  border-color: rgba(255, 255, 255, 0.16);
  color: #d8deea;
}

.context-chip.reference {
  border-color: rgba(255, 18, 55, 0.28);
  color: #ff98ab;
}

.race-feature-card {
  position: relative;
  overflow: hidden;
  min-height: 170px;
  padding: 18px 18px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top right, rgba(255, 18, 55, 0.1), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)),
    rgba(12, 14, 20, 0.92);
}

.race-feature-copy {
  position: relative;
  z-index: 2;
  max-width: 360px;
}

.race-feature-copy strong {
  display: block;
  margin-top: 6px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.75rem;
  text-transform: uppercase;
  line-height: 0.96;
}

.race-feature-copy p {
  margin-top: 8px;
  max-width: 360px;
}

.race-feature-art {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 248px;
  height: 96px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  pointer-events: none;
}

.feature-logo-image {
  display: block;
  width: 228px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.28));
  opacity: 0.96;
}

.race-feature-metrics {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.feature-pill {
  min-height: 68px;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.035);
}

.feature-pill strong {
  display: block;
  margin-top: 7px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  color: #fff;
}

.selector-bottom-strip {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.selector-signal strong {
  display: block;
  margin-top: 4px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1rem;
  text-transform: uppercase;
}

.selector-divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.04), rgba(255,255,255,0.18), rgba(255,255,255,0.04));
}

.selector-mini-graph {
  display: flex;
  align-items: end;
  gap: 5px;
}

.selector-mini-graph span {
  display: block;
  width: 10px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,18,55,0.95), rgba(255,214,10,0.82));
}

.selector-mini-graph span:nth-child(1) { height: 12px; }
.selector-mini-graph span:nth-child(2) { height: 20px; }
.selector-mini-graph span:nth-child(3) { height: 28px; }
.selector-mini-graph span:nth-child(4) { height: 18px; }
.selector-mini-graph span:nth-child(5) { height: 24px; }

.selector-copy h2,
.view-header h1 {
  font-family: "Barlow Condensed", sans-serif;
  margin: 8px 0 10px;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.eyebrow,
.panel-kicker,
.small-label,
.metric-label,
label span,
.toolbar-field span,
.timeline-header span:first-child {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  font-family: "Barlow", sans-serif;
}

.subtle-copy,
.recommendation-copy {
  color: #b2b8c6;
  line-height: 1.5;
  margin: 0;
}

.selector-grid,
.sim-toolbar,
.archive-toolbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
}

.toolbar-field,
.control-form label {
  display: grid;
  gap: 8px;
}

.split-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

input,
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  color: var(--text);
  min-height: 48px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
}

input[type="range"] { padding: 0; accent-color: var(--red); }

.view { display: none; }
.view.active { display: grid; gap: 22px; }

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.view-header.compact { align-items: end; }

.hero-metric {
  min-width: 260px;
  padding: 18px 20px;
}

.metric-value {
  display: block;
  margin-top: 12px;
  font-size: 3.1rem;
  line-height: 1;
  color: var(--red);
  font-weight: 900;
}

.metric-sub {
  display: block;
  margin-top: 8px;
  color: #ff97a7;
}

.compound-filter,
.board-legend,
.degradation-legend,
.pit-stop-tags,
.feature-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.strategy-board-panel { overflow: hidden; }

.board-scale {
  display: grid;
  grid-template-columns: 62px repeat(8, minmax(0, 1fr)) 36px;
  gap: 8px;
  margin-bottom: 12px;
  color: #7d8496;
  font-size: 0.78rem;
  font-weight: 700;
}

.board-scale span { text-align: center; }
.board-scale span:first-child,
.board-scale span:last-child { opacity: 0; }

.pitstop-board { display: grid; gap: 8px; }

.pitstop-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) 36px;
  gap: 8px;
  align-items: center;
}

.stint-row-wrap {
  position: relative;
}

.driver-code,
.laps-finish {
  color: #7e8597;
  font-weight: 900;
  text-transform: uppercase;
  text-align: right;
}

.stint-row {
  display: flex;
  min-height: 22px;
  border-radius: 6px;
  overflow: hidden;
}

.pitstop-tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  z-index: 5;
  width: min(260px, 48vw);
  padding: 14px 14px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(18, 20, 27, 0.98);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.42);
  transform: translateX(-50%) translateY(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.pitstop-tooltip strong {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.1rem;
}

.pitstop-tooltip > span {
  display: block;
  margin-top: 4px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.tooltip-stints {
  display: grid;
  gap: 7px;
}

.tooltip-stints div {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  font-size: 0.79rem;
  font-family: "JetBrains Mono", monospace;
}

.tooltip-stints em {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.tooltip-stints em.soft { background: #ff1237; }
.tooltip-stints em.medium { background: #ffd60a; }
.tooltip-stints em.hard { background: #eceef2; }

.stint-row-wrap:hover .pitstop-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.stint {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.8rem;
  border-right: 2px solid rgba(255, 18, 55, 0.9);
  color: #101319;
}

.stint.soft { background: #ff1237; color: #fff; }
.stint.medium { background: #ffd60a; }
.stint.hard { background: #eceef2; }

.stint.used::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, rgba(16, 19, 25, 0.2), rgba(16, 19, 25, 0.2) 6px, transparent 6px, transparent 12px);
}

.legend-tag,
.legend-item,
.feature-chip,
.pit-tag {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 800;
}

.legend-tag.hard,
.legend-item.hard,
.pit-tag.hard { color: #eef1f5; }
.legend-tag.medium,
.legend-item.medium,
.pit-tag.medium { color: var(--yellow); }
.legend-tag.soft,
.legend-item.soft,
.pit-tag.soft { color: #ff95a4; }
.legend-tag.used { color: #b9bec9; }
.legend-tag.stop { color: var(--red); }
.feature-chip { color: #c2c8d3; }

.grid-layout,
.archive-layout {
  display: grid;
  grid-template-columns: 410px minmax(0, 1fr);
  gap: 22px;
}

.archive-layout {
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.95fr);
}

.panel-title-row,
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.status-chip,
.status-dot {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.status-chip {
  background: var(--red-dim);
  border-color: rgba(255, 18, 55, 0.35);
  color: #ff9bab;
}

.status-dot.yellow { color: var(--yellow); }
.status-dot.muted { color: var(--muted); }

.control-form { display: grid; gap: 14px; }
label strong { color: var(--yellow); }

.run-button {
  border: 0;
  border-radius: 14px;
  padding: 16px 18px;
  background: linear-gradient(90deg, #ff0a32, #df0027);
  color: white;
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: 0.08em;
  cursor: pointer;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1rem;
}

.simulation-button {
  min-height: 48px;
}

.summary-panel {
  position: relative;
  overflow: hidden;
}

.summary-panel.result-updated {
  animation: resultPulse 0.8s ease;
}

.results-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  gap: 8px;
  text-align: center;
  background: rgba(10, 12, 17, 0.88);
  backdrop-filter: blur(6px);
  z-index: 2;
}

.results-loading[hidden] {
  display: none !important;
}

.spinner {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 4px solid rgba(255,255,255,0.14);
  border-top-color: var(--red);
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes resultPulse {
  0% { box-shadow: inset 0 0 0 1px rgba(255, 214, 10, 0.58); }
  100% { box-shadow: inset 0 0 0 1px rgba(255, 214, 10, 0); }
}

.result-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(420px, 0.85fr);
  gap: 16px;
  padding: 20px;
  margin-bottom: 16px;
  border-radius: 20px;
  border: 1px solid rgba(255, 18, 55, 0.18);
  background:
    radial-gradient(circle at top right, rgba(255, 18, 55, 0.16), transparent 45%),
    linear-gradient(180deg, rgba(255, 18, 55, 0.11), rgba(255, 18, 55, 0.03));
}

.result-hero h2 {
  font-family: "Barlow Condensed", sans-serif;
  margin: 6px 0 10px;
  font-size: 2.2rem;
  text-transform: uppercase;
}

.result-flags {
  display: grid;
  grid-template-columns: repeat(2, minmax(170px, 1fr));
  gap: 12px;
  align-items: stretch;
}

.result-flag {
  min-height: 120px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.result-flag span {
  display: block;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.72rem;
}

.result-flag strong {
  display: block;
  margin-top: 0;
  font-size: clamp(1.2rem, 1.5vw, 1.85rem);
  line-height: 1.1;
  font-family: "JetBrains Mono", monospace;
  word-break: normal;
  overflow-wrap: normal;
  white-space: normal;
}

#hero-driver,
#hero-risk-level {
  font-size: clamp(1.05rem, 1.3vw, 1.55rem);
}

.result-flag.primary-highlight {
  border-color: rgba(255, 214, 10, 0.22);
  background: linear-gradient(180deg, rgba(255, 214, 10, 0.16), rgba(255, 214, 10, 0.04));
}

.result-flag:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 214, 10, 0.22);
  background: rgba(255, 255, 255, 0.07);
}

.change-banner {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 214, 10, 0.18);
  background: linear-gradient(90deg, rgba(255, 214, 10, 0.1), rgba(255, 18, 55, 0.07));
}

.change-banner strong {
  display: block;
  margin-top: 6px;
  font-size: 1.15rem;
  font-family: "JetBrains Mono", monospace;
}

.change-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.change-chip {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 9, 14, 0.34);
  color: #eff2f8;
  font-size: 0.84rem;
  font-family: "JetBrains Mono", monospace;
}

.race-engineer-layout,
.model-lab-grid,
.sensitivity-grid,
.scenario-compare-grid,
.calibration-grid {
  display: grid;
  gap: 14px;
}

.race-engineer-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
}

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

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

.model-lab-toolbar {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

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

.calibration-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-bottom: 18px;
}

.info-block,
.model-card,
.sensitivity-card,
.scenario-card,
.calibration-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.signal-list {
  margin: 0;
  padding-left: 18px;
  color: #c7cdd8;
  line-height: 1.55;
}

.signal-list li + li {
  margin-top: 8px;
}

.sensitivity-card strong {
  display: block;
  margin: 6px 0 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 1.2rem;
}

.sensitivity-card p {
  margin: 0;
  color: #aeb5c4;
}

.tag-stack {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.scenario-card strong,
.calibration-card strong {
  display: block;
  margin: 8px 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 1.25rem;
}

.scenario-card p {
  color: #aeb5c4;
}

.calibration-bars {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: end;
  min-height: 150px;
  margin: 12px 0 8px;
}

.calibration-bars > div {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.calibration-bars span,
.calibration-card p,
.summary-row td {
  color: var(--muted);
  font-size: 0.78rem;
}

.calibration-bar {
  width: 44px;
  min-height: 18px;
  border-radius: 12px 12px 6px 6px;
}

.calibration-bar.predicted {
  background: linear-gradient(180deg, rgba(255, 18, 55, 0.95), rgba(255, 18, 55, 0.35));
}

.calibration-bar.actual {
  background: linear-gradient(180deg, rgba(255, 214, 10, 0.95), rgba(255, 214, 10, 0.35));
}

.summary-row td {
  background: rgba(255, 214, 10, 0.06);
  font-family: "JetBrains Mono", monospace;
}

.summary-strip,
.comparison-grid,
.sim-metrics,
.sim-footer,
.archive-detail-grid,
.degradation-specs {
  display: grid;
  gap: 14px;
}

.summary-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 16px;
}

.summary-card {
  padding: 16px;
  display: grid;
  gap: 6px;
}

.summary-card span {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.76rem;
}

.summary-card strong { font-size: 1.6rem; }
.summary-card strong,
.comparison-card strong,
.sim-time,
.sim-metric strong,
.sim-footer div strong,
.metric-value {
  font-family: "JetBrains Mono", monospace;
}
.accent-red { box-shadow: inset 0 0 0 1px rgba(255,18,55,0.14); }
.accent-yellow { box-shadow: inset 0 0 0 1px rgba(255,214,10,0.13); }
.accent-white { box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08); }

.comparison-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
}

.comparison-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.comparison-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.5rem;
}

.comparison-card p {
  margin: 8px 0 0;
  color: #aeb5c4;
  font-family: "JetBrains Mono", monospace;
}

.comparison-card.emphasized {
  border-color: rgba(255, 18, 55, 0.42);
  box-shadow: inset 0 0 0 1px rgba(255, 18, 55, 0.12);
}

.timeline-track {
  display: flex;
  gap: 6px;
  min-height: 90px;
}

.timeline-segment {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 12px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.timeline-segment::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.08) 8px, transparent 8px, transparent 15px);
}

.timeline-segment span,
.timeline-segment small {
  position: relative;
  z-index: 1;
}

.segment-soft { background: linear-gradient(180deg, rgba(255,18,55,0.32), rgba(255,18,55,0.18)); }
.segment-medium { background: linear-gradient(180deg, rgba(255,214,10,0.28), rgba(255,214,10,0.16)); }
.segment-hard { background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.08)); }

.simulation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.simulation-status {
  color: #aeb5c4;
  font-family: "JetBrains Mono", monospace;
  padding: 14px 18px;
}

.simulation-status.status-running {
  border-color: rgba(255, 214, 10, 0.18);
  color: #ffe46a;
}

.simulation-status.status-success {
  border-color: rgba(0, 214, 143, 0.26);
  color: #8cf3cf;
}

.simulation-status.status-error {
  border-color: rgba(255, 18, 55, 0.24);
  color: #ff9cab;
}

.sim-card { overflow: hidden; }

.sim-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--line);
}

.sim-rank {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.76rem;
}

.sim-time {
  font-size: 2rem;
  font-weight: 900;
}

.sim-dots {
  display: flex;
  gap: 8px;
}

.sim-dots span {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: #ebedf1;
}

.sim-dots span:nth-child(1) { background: var(--yellow); }
.sim-dots span:nth-child(2) { background: #efefef; }
.sim-dots span:nth-child(3) { background: var(--red); }

.sim-card-body {
  padding: 18px;
  display: grid;
  gap: 18px;
}

.dist-bars {
  display: flex;
  align-items: end;
  gap: 4px;
  min-height: 92px;
  padding-top: 8px;
}

.dist-bars span {
  flex: 1;
  display: block;
  border-radius: 3px 3px 0 0;
  background: rgba(255,255,255,0.22);
  min-height: 6px;
  border: 1px solid rgba(255,255,255,0.06);
}

.dist-bars span.best { background: var(--green); }
.dist-bars span.mid { background: rgba(255,214,10,0.6); }
.dist-bars span.worst { background: var(--red); }

.sim-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.72rem;
  font-family: "JetBrains Mono", monospace;
}

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

.sim-metric strong {
  display: block;
  font-size: 2rem;
  font-weight: 900;
}

.sim-metric small {
  color: var(--muted);
  text-transform: uppercase;
}

.sim-footer {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.sim-footer div span {
  display: block;
  color: #838a9d;
  text-transform: uppercase;
  font-size: 0.74rem;
}

.sim-footer div strong {
  display: block;
  margin-top: 4px;
}

.degradation-chart {
  width: 100%;
  min-height: 300px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
}

.degradation-chart .grid line { stroke: rgba(255,255,255,0.08); stroke-width: 1; }
.degradation-chart .grid text { fill: #7d8394; font-family: Consolas, monospace; font-size: 12px; }
.degradation-foot { margin-top: 12px; color: #a3a9ba; }
.degradation-specs { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.spec-card { padding: 18px; }
.spec-card h3 { margin: 0 0 12px; text-transform: uppercase; }
.spec-list { display: grid; gap: 10px; }
.spec-row { display: flex; justify-content: space-between; gap: 14px; }
.spec-row span { color: var(--muted); }

.table-wrap { overflow: auto; }
.archive-table { width: 100%; border-collapse: collapse; }

.archive-table th,
.archive-table td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-align: left;
}

.archive-table th {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.archive-table tr { cursor: pointer; }
.archive-table tr.active,
.archive-table tr:hover { background: rgba(255,18,55,0.08); }

.archive-side { display: grid; gap: 16px; }
.archive-detail { padding: 18px; }
.archive-detail h3 { margin: 0 0 8px; text-transform: uppercase; }
.archive-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 14px; }

.detail-box {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}

.detail-box span {
  display: block;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.72rem;
}

.detail-box strong {
  display: block;
  margin-top: 6px;
  font-family: "JetBrains Mono", monospace;
}

.global-selector {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)),
    linear-gradient(135deg, rgba(255,18,55,0.05), transparent 35%);
}

.selector-grid .toolbar-field select {
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #1b2130;
}

.optimizer-ranked {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.live-grid,
.live-telemetry-grid,
.live-decision-grid {
  display: grid;
  gap: 14px;
}

.live-grid {
  grid-template-columns: 1.15fr 1fr;
}

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

.live-hero {
  background:
    linear-gradient(180deg, rgba(255, 18, 55, 0.08), rgba(255, 18, 55, 0.02)),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
}

.live-decision-grid .comparison-card strong {
  display: block;
  margin-top: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 2rem;
}

.summary-row strong {
  color: var(--yellow);
}

.optimizer-plan-card {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.optimizer-plan-card h3 {
  margin: 8px 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.2rem;
  text-transform: uppercase;
}

.optimizer-plan-card strong {
  font-family: "JetBrains Mono", monospace;
}

@media (max-width: 1180px) {
  .global-selector,
  .context-compact,
  .race-feature-metrics,
  .live-grid,
  .live-telemetry-grid,
  .grid-layout,
  .archive-layout,
  .selector-grid,
  .sim-toolbar,
  .archive-toolbar,
  .degradation-specs,
  .result-hero,
  .change-banner,
  .race-engineer-layout,
  .model-lab-grid,
  .model-lab-toolbar,
  .sensitivity-grid,
  .scenario-compare-grid,
  .split-fields { grid-template-columns: 1fr; }

  .race-feature-art {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    height: 76px;
    margin-top: 12px;
    justify-content: flex-start;
  }

  .selector-bottom-strip {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .selector-divider {
    width: 100%;
  }
}

@media (max-width: 820px) {
  .app-shell {
    width: calc(100vw - 12px);
    margin: 6px auto;
    border-radius: 20px;
  }

  .topbar,
  .dashboard,
  .panel { padding: 16px; }

  .topnav { width: 100%; }
  .nav-pill { flex: 1 1 145px; }

  .view-header,
  .summary-strip,
  .comparison-grid,
  .change-banner,
  .result-flags,
  .sim-metrics,
  .sim-footer,
  .archive-detail-grid { grid-template-columns: 1fr; }

  .view-header,
  .comparison-grid,
  .result-hero { display: grid; }

  .timeline-track { flex-direction: column; }
  .pitstop-row, .board-scale { grid-template-columns: 46px minmax(0, 1fr) 28px; }
}