:root {
  --page-bg: #f7f6f0;
  --panel-bg: #fffdf4;
  --panel-border: #70401f;
  --ink: #24170f;
  --muted: #6f6047;
  --forest: #173e28;
  --forest-soft: #285538;
  --red: #a83224;
  --red-dark: #742017;
  --gold: #d3a640;
  --lane: #6d5634;
  --lane-alt: #7b613d;
  --focus: #0b63ce;
  --shadow: 0 4px 0 #3c281a;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--page-bg);
}

body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(36, 23, 15, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(36, 23, 15, 0.03) 1px, transparent 1px),
    var(--page-bg);
  background-size: 18px 18px;
}

button,
input,
a {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.app-shell,
.ad-section {
  width: min(100% - 24px, 560px);
  margin-inline: auto;
}

.app-shell {
  padding: 14px 0 18px;
}

.screen {
  display: grid;
  gap: 14px;
}

.app-title {
  padding: 16px 14px;
  color: #fff5d0;
  text-align: center;
  background: var(--forest);
  border: 3px solid var(--panel-border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.app-title h1,
.result-header h1,
.race-topbar h1 {
  margin: 0;
  font-size: clamp(1.45rem, 8vw, 2.1rem);
  line-height: 1.15;
}

.app-title p,
.result-header p,
.panel p,
.policy-note,
.subtle,
.caution {
  margin: 0;
}

.small-label {
  color: var(--gold);
  font-weight: 700;
}

.panel,
.memo-panel,
.donation-card,
.previous-panel,
.commentary-box {
  padding: 14px;
  background: var(--panel-bg);
  border: 2px solid var(--panel-border);
  border-radius: 8px;
  box-shadow: 0 2px 0 rgba(36, 23, 15, 0.45);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  text-align: center;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-heading h2 {
  margin: 0;
  text-align: left;
}

.runner-control {
  display: grid;
  grid-template-columns: 52px 1fr 52px;
  gap: 10px;
  align-items: center;
}

.square-button,
.chip,
.runner-pick,
.primary-button,
.secondary-button,
.donation-button {
  min-height: 44px;
  border: 2px solid var(--panel-border);
  border-radius: 7px;
  font-weight: 800;
  text-decoration: none;
}

.square-button {
  color: #fff8df;
  background: #9b692b;
  box-shadow: 0 3px 0 #5e3418;
  font-size: 1.6rem;
}

.runner-input-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}

.runner-input {
  width: min(100%, 120px);
  min-height: 58px;
  padding: 8px;
  color: var(--ink);
  text-align: center;
  background: #fffdf0;
  border: 2px solid #b08b4c;
  border-radius: 7px;
  font-size: 2rem;
  font-weight: 900;
}

.chip-row,
.runner-grid,
.memo-row,
.previous-runners {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-row {
  margin-top: 12px;
  justify-content: center;
}

.chip,
.runner-pick {
  min-width: 58px;
  padding: 8px 10px;
  color: var(--ink);
  background: #fffdf0;
}

.chip.is-selected,
.runner-pick.is-selected {
  color: #fff8df;
  background: var(--red);
  box-shadow: inset 0 -3px 0 var(--red-dark);
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 4px 10px;
  color: #fff8df;
  background: var(--forest-soft);
  border: 2px solid var(--panel-border);
  border-radius: 999px;
  font-weight: 800;
}

.switch input {
  width: 24px;
  height: 24px;
  margin: 0;
  accent-color: var(--gold);
}

.runner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(46px, 1fr));
  margin-top: 12px;
}

.caution {
  margin-top: 10px;
  font-size: 0.9rem;
  font-weight: 700;
}

.subtle,
.policy-note {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.notice,
.inline-error {
  margin: 0;
  padding: 10px 12px;
  color: #fff8df;
  background: var(--red-dark);
  border-radius: 7px;
  font-weight: 700;
}

.primary-button,
.secondary-button,
.donation-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 16px;
}

.primary-button {
  color: #fff8df;
  background: var(--red);
  box-shadow: 0 4px 0 var(--red-dark);
  font-size: 1.08rem;
}

.secondary-button {
  color: #fff8df;
  background: var(--forest-soft);
  box-shadow: 0 4px 0 #102a1c;
}

.compact {
  width: auto;
  min-height: 40px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

.previous-runners {
  margin-bottom: 8px;
}

.previous-runner {
  display: inline-grid;
  min-width: 34px;
  min-height: 34px;
  place-items: center;
  color: #fff8df;
  background: var(--forest-soft);
  border: 2px solid var(--panel-border);
  border-radius: 999px;
  font-weight: 900;
}

.race-screen {
  gap: 10px;
}

.race-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  color: #fff8df;
  background: var(--red);
  border: 3px solid var(--panel-border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.race-topbar h1 {
  font-size: clamp(1.1rem, 6vw, 1.6rem);
}

.race-track {
  position: relative;
  display: grid;
  gap: 2px;
  overflow: hidden;
  padding: 6px 74px 6px 38px;
  background: #283b20;
  border: 3px solid var(--panel-border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.race-lane {
  position: relative;
  min-height: 38px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.16), transparent 35%),
    var(--lane);
  border: 1px solid rgba(255, 248, 223, 0.3);
}

.race-track[data-runner-count="13"] .race-lane,
.race-track[data-runner-count="14"] .race-lane,
.race-track[data-runner-count="15"] .race-lane,
.race-track[data-runner-count="16"] .race-lane,
.race-track[data-runner-count="17"] .race-lane,
.race-track[data-runner-count="18"] .race-lane {
  min-height: 28px;
}

.race-lane:nth-child(odd) {
  background-color: var(--lane-alt);
}

.race-lane[data-favorite="true"] {
  background:
    linear-gradient(90deg, rgba(211, 166, 64, 0.38), transparent 55%),
    var(--lane);
}

.lane-number,
.lane-goal-number {
  position: absolute;
  top: 50%;
  display: grid;
  width: 28px;
  height: 24px;
  place-items: center;
  color: var(--ink);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  transform: translateY(-50%);
  font-weight: 900;
}

.lane-number {
  left: -31px;
}

.lane-goal-number {
  right: -31px;
  color: #fff8df;
  background: var(--forest-soft);
  border-color: #fff8df;
}

.horse-token {
  position: absolute;
  top: 50%;
  left: clamp(24px, calc(var(--progress) * 1%), calc(100% - 24px));
  z-index: 2;
  display: grid;
  width: 46px;
  height: 42px;
  place-items: center;
  --horse-main: #c95f14;
  --horse-highlight: #ef8a28;
  --horse-mane: #4a2010;
  --horse-dark: #1d0e08;
  --horse-cream: #fff8df;
  transform: translate(-50%, -50%) scale(var(--horse-scale, 1));
  transform-origin: center;
  transition-property: left;
  transition-timing-function: cubic-bezier(0.22, 0.88, 0.32, 1);
  filter: drop-shadow(0 2px 0 rgba(29, 14, 8, 0.42));
}

.horse-illustration {
  display: block;
  width: 44px;
  height: 42px;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.race-track[data-runner-count="13"] .horse-token,
.race-track[data-runner-count="14"] .horse-token,
.race-track[data-runner-count="15"] .horse-token,
.race-track[data-runner-count="16"] .horse-token,
.race-track[data-runner-count="17"] .horse-token,
.race-track[data-runner-count="18"] .horse-token {
  --horse-scale: 0.76;
}

.race-lane[data-favorite="true"] .horse-token {
  filter:
    drop-shadow(0 2px 0 rgba(29, 14, 8, 0.42))
    drop-shadow(0 0 4px rgba(255, 240, 181, 0.75));
}

.race-lane[data-favorite="true"] .lane-goal-number {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--panel-border);
}

.goal-line {
  position: absolute;
  top: 0;
  right: 16px;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  color: #fff8df;
  background: repeating-linear-gradient(0deg, #fff8df 0 8px, #8b1f18 8px 16px);
  border-inline: 2px solid #fff8df;
  font-size: 0.72rem;
  font-weight: 900;
  writing-mode: vertical-rl;
  text-shadow: 0 1px 0 #24170f;
}

.commentary-box {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
}

.commentary-label,
.memo-title {
  margin: 0;
  color: var(--forest);
  font-weight: 900;
}

.commentary-box p:last-child {
  margin: 0;
  line-height: 1.6;
}

.result-header {
  padding: 16px 14px;
  color: #fff8df;
  text-align: center;
  background: var(--red);
  border: 3px solid var(--panel-border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.result-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.result-row {
  display: grid;
  grid-template-columns: 82px 1fr;
  align-items: center;
  min-height: 48px;
  padding: 8px 12px;
  background: var(--panel-bg);
  border: 2px solid var(--panel-border);
  border-radius: 7px;
}

.result-row.place-1 {
  min-height: 64px;
  background: #fff0b5;
}

.place {
  font-size: 1.05rem;
  font-weight: 900;
}

.runner-result {
  justify-self: end;
  min-width: 88px;
  padding: 7px 12px;
  color: #fff8df;
  text-align: center;
  background: var(--forest-soft);
  border-radius: 6px;
  font-size: 1.25rem;
  font-weight: 900;
}

.place-1 .runner-result {
  background: var(--red);
  font-size: 1.55rem;
}

.memo-panel {
  display: grid;
  gap: 10px;
}

.memo-mark {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 34px;
  padding: 4px 9px;
  background: #fffdf0;
  border: 1px solid #b08b4c;
  border-radius: 999px;
  font-weight: 800;
}

.memo-mark strong {
  color: var(--red);
}

.favorite-result-note {
  margin: 0;
  padding: 10px 12px;
  background: #fff0b5;
  border: 2px solid var(--gold);
  border-radius: 7px;
  font-weight: 800;
}

.action-stack {
  display: grid;
  gap: 10px;
}

.donation-card {
  display: grid;
  gap: 10px;
}

.codoc-donation-card .codoc-entries {
  width: 100%;
}

.donation-button {
  color: #fff8df;
  background: #9b692b;
  box-shadow: 0 4px 0 #5e3418;
}

.ad-section {
  margin-bottom: 20px;
  padding: 14px;
  text-align: center;
  background: rgba(255, 248, 223, 0.72);
  border: 2px dashed #8a7657;
  border-radius: 8px;
}

.monetization-label,
.adsense-placeholder {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.adsense-placeholder {
  display: grid;
  min-height: 90px;
  margin-top: 8px;
  place-items: center;
  background: rgba(255, 255, 255, 0.45);
  border-radius: 6px;
}

.adsense-placeholder[hidden] {
  display: none !important;
}

.is-hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 768px) {
  .app-shell {
    padding-top: 24px;
  }
}

@media (max-width: 380px) {
  .app-shell,
  .ad-section {
    width: min(100% - 16px, 560px);
  }

  .panel,
  .memo-panel,
  .donation-card,
  .previous-panel,
  .commentary-box {
    padding: 12px;
  }

  .race-track {
    padding-left: 34px;
    padding-right: 68px;
  }

  .horse-token {
    --horse-scale: 0.94;
  }

  .race-track[data-runner-count="13"] .horse-token,
  .race-track[data-runner-count="14"] .horse-token,
  .race-track[data-runner-count="15"] .horse-token,
  .race-track[data-runner-count="16"] .horse-token,
  .race-track[data-runner-count="17"] .horse-token,
  .race-track[data-runner-count="18"] .horse-token {
    --horse-scale: 0.72;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }

  .horse-token {
    transition-duration: 180ms !important;
  }
}