:root {
  --brand: #003c5b;
  --brand-dark: #002a41;
  --active: #2563eb;
  --active-soft: #e7f0ff;
  --surface: #ffffff;
  --surface-muted: #f6f8fb;
  --surface-subtle: #eef4f8;
  --text: #111827;
  --text-soft: #4b5563;
  --text-muted: #6b7280;
  --border: #d9e1e8;
  --border-strong: #b8c5d1;
  --accent-green: #13795b;
  --accent-teal: #0f766e;
  --accent-rose: #b42318;
  --accent-amber: #a15c07;
  --shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

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

html {
  background: var(--surface-muted);
}

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: var(--brand);
  color: #ffffff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  font-weight: 800;
}

.eyebrow,
.section-label {
  margin: 0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 2px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.1;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
}

.header-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.header-link {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 999px;
  padding: 8px 12px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.header-link:focus-visible,
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.24);
  outline-offset: 2px;
}

.fight-workspace {
  min-height: calc(100vh - 76px);
}

.control-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 20px clamp(16px, 4vw, 40px);
}

.fight-form {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.matchup-grid {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr) auto;
  align-items: end;
  gap: 12px;
}

.field {
  min-width: 0;
}

label,
.toggle span {
  display: block;
  margin-bottom: 6px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

input[type="search"] {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  outline: none;
  padding: 9px 11px;
}

.input-with-icon {
  position: relative;
}

.input-with-icon svg {
  position: absolute;
  left: 12px;
  top: 50%;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.input-with-icon input {
  padding-left: 38px;
}

.versus-badge {
  display: grid;
  place-items: center;
  width: 42px;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-subtle);
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.button,
.preset,
.mode-button,
.result-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.button {
  min-height: 46px;
  padding: 0 15px;
}

.button svg,
.result-link svg {
  width: 18px;
  height: 18px;
}

.button-primary {
  border: 1px solid var(--brand);
  background: var(--brand);
  color: #ffffff;
}

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

.option-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.preset-row,
.right-options,
.segmented-control {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.right-options {
  justify-content: flex-end;
}

.preset,
.mode-button {
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text);
  padding: 0 11px;
}

.preset:hover,
.mode-button:hover {
  border-color: var(--border-strong);
  background: var(--surface-subtle);
}

.segmented-control {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
  padding: 3px;
}

.mode-button {
  min-height: 34px;
  border-color: transparent;
  background: transparent;
}

.mode-button.active {
  border-color: var(--border-strong);
  background: #ffffff;
  color: var(--brand);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.12);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 11px;
  background: var(--surface-subtle);
  white-space: nowrap;
}

.toggle input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--brand);
}

.toggle span {
  margin: 0;
  color: var(--text);
}

.api-status {
  justify-self: end;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 11px;
  background: var(--surface-muted);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.api-status.is-loading {
  border-color: rgba(37, 99, 235, 0.3);
  background: var(--active-soft);
  color: var(--active);
}

.api-status.is-error {
  border-color: rgba(180, 35, 24, 0.32);
  background: #fff1f0;
  color: var(--accent-rose);
}

.summary-grid,
.details-grid,
.timeline-panel {
  margin: 18px clamp(16px, 4vw, 40px) 0;
}

.summary-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(260px, 0.9fr) minmax(220px, 1fr);
  gap: 18px;
}

.score-panel,
.winner-panel,
.timeline-panel,
.detail-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 3px 12px rgba(15, 23, 42, 0.08);
}

.score-panel,
.winner-panel {
  min-width: 0;
  padding: 18px;
}

.score-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-top-width: 4px;
}

.accent-a {
  border-top-color: var(--accent-teal);
}

.accent-b {
  border-top-color: var(--accent-rose);
}

.section-label {
  color: var(--accent-green);
}

.score-panel h2,
.winner-panel h2,
.section-heading h2 {
  margin: 4px 0 0;
  color: var(--brand);
  line-height: 1.15;
}

.score-panel h2 {
  font-size: 24px;
}

.winner-panel h2,
.section-heading h2 {
  font-size: 26px;
}

.score-panel dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.score-panel dl div {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
  padding: 10px;
}

dt {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 3px 0 0;
  color: var(--text);
  font-weight: 850;
}

.score-panel dd {
  font-size: 21px;
  line-height: 1.2;
}

.result-link {
  align-self: flex-start;
  margin-top: auto;
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--brand);
  padding: 0 12px;
}

.result-link:hover {
  border-color: var(--active);
  color: var(--active);
}

.winner-panel {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f9fbfc 100%);
}

.winner-panel p {
  margin: 0;
  color: var(--text-soft);
}

.winner-meter {
  display: grid;
  grid-template-columns: minmax(8px, var(--meter-a, 50%)) minmax(8px, var(--meter-b, 50%));
  overflow: hidden;
  height: 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-subtle);
}

.winner-meter span:first-child {
  background: var(--accent-teal);
}

.winner-meter span:last-child {
  background: var(--accent-rose);
}

.timeline-panel {
  padding: 18px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.section-heading.compact {
  margin-bottom: 12px;
}

.chart-legend {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 800;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.swatch-a {
  background: var(--accent-teal);
}

.swatch-b {
  background: var(--accent-rose);
}

.chart-shell {
  position: relative;
  width: 100%;
  min-height: 360px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
}

#timelineCanvas {
  display: block;
  width: 100%;
  height: 360px;
}

.chart-message {
  position: absolute;
  inset: 16px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-soft);
  font-weight: 800;
  text-align: center;
}

.chart-message[hidden] {
  display: none;
}

.details-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  gap: 18px;
  padding-bottom: 34px;
}

.detail-panel {
  min-width: 0;
  padding: 18px;
}

.period-list,
.sample-grid {
  display: grid;
  gap: 10px;
}

.period-row {
  display: grid;
  grid-template-columns: minmax(72px, 92px) minmax(0, 1fr) minmax(80px, auto);
  gap: 10px;
  align-items: center;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
  padding: 10px;
}

.period-label {
  color: var(--brand);
  font-size: 14px;
  font-weight: 850;
}

.split-bar {
  display: grid;
  grid-template-columns: minmax(4px, var(--split-a, 50%)) minmax(4px, var(--split-b, 50%));
  overflow: hidden;
  height: 12px;
  border-radius: 999px;
  background: var(--surface-subtle);
}

.split-bar span:first-child {
  background: var(--accent-teal);
}

.split-bar span:last-child {
  background: var(--accent-rose);
}

.period-meta {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 800;
  text-align: right;
}

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

.sample-column {
  min-width: 0;
}

.sample-column h3 {
  margin: 0 0 9px;
  color: var(--brand);
  font-size: 17px;
  line-height: 1.2;
}

.sample-list {
  display: grid;
  gap: 9px;
}

.sample-item {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
  padding: 11px;
}

.sample-item h4 {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.25;
}

.sample-item p {
  margin: 6px 0 0;
  color: var(--text-soft);
  font-size: 13px;
}

.empty-note {
  margin: 0;
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  background: var(--surface-muted);
  padding: 14px;
  color: var(--text-soft);
  font-weight: 800;
}

@media (max-width: 1100px) {
  .control-band,
  .matchup-grid,
  .summary-grid,
  .details-grid {
    grid-template-columns: 1fr;
  }

  .api-status {
    justify-self: start;
  }

  .versus-badge {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .app-header,
  .option-row,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .right-options {
    justify-content: flex-start;
  }

  .score-panel dl,
  .sample-grid,
  .period-row {
    grid-template-columns: 1fr;
  }

  .period-meta {
    text-align: left;
  }

  .chart-shell {
    min-height: 320px;
  }

  #timelineCanvas {
    height: 320px;
  }
}