* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  min-height: 100%;
  background: #102b24;
  color: #f8e9c8;
  font-family: Georgia, "Microsoft YaHei", serif;
}
body {
  padding: 10px;
}
button,
input {
  font: inherit;
}
button {
  touch-action: manipulation;
  cursor: pointer;
  border: 0;
  background: transparent url("../button.png") center/100% 100% no-repeat;
  color: #18372c;
  font-weight: 800;
  min-height: 46px;
  padding: 12px 22px;
  transition:
    filter 0.12s,
    transform 0.12s;
}
button:hover {
  background-image: url("../button-hover.png");
  color: #102a22;
  filter: brightness(1.03);
}
button:active,
button.held,
button[aria-pressed="true"] {
  background-image: url("../button-pressed.png");
  color: #fff0c9;
  transform: translateY(1px);
}
button:disabled {
  filter: grayscale(1);
  opacity: 0.45;
  cursor: default;
}
button:focus-visible {
  outline: 3px solid #ffca66;
  outline-offset: 2px;
}
#game {
  max-width: 1100px;
  margin: auto;
  border: 2px solid #d0b887;
  border-radius: 22px;
  overflow: hidden;
  background: #102b24;
  box-shadow: 0 12px 40px #0004;
}
.top {
  height: 94px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px;
  border-bottom: 2px solid #b99b64;
  background: linear-gradient(120deg, #213c2a, #10291f);
}
.top > img {
  width: 170px;
  height: 78px;
  object-fit: contain;
}
.route {
  flex: 1;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  font:
    700 13px Arial,
    sans-serif;
}
.route strong {
  display: block;
  font:
    700 23px Georgia,
    serif;
  color: #f7dfb1;
  margin-top: 7px;
  letter-spacing: 1px;
}
#route-label {
  display: block;
  direction: ltr;
  unicode-bidi: isolate;
}
.top button {
  padding: 9px 17px;
  font-family: Arial, sans-serif;
  font-size: 23px;
}
.stage {
  position: relative;
  aspect-ratio: 960/460;
  overflow: hidden;
  background: #d7ae81;
}
#canvas,
canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}
.instruments {
  position: absolute;
  top: 15px;
  left: 18px;
  display: flex;
  gap: 10px;
  pointer-events: none;
}
.instruments span {
  border: 1px solid #e3c592;
  background: #102b24e6;
  padding: 6px 10px;
  border-radius: 7px;
  font: 700 14px monospace;
}
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0b211b80;
  backdrop-filter: blur(3px);
  padding: 14px;
}
.overlay[hidden] {
  display: none;
}
.panel {
  background: #142e23f7 url("../panel.png") center/100% 100% no-repeat;
  border: 1px solid #bca272;
  border-radius: 22px;
  padding: 22px 35px;
  width: min(520px, 100%);
  max-height: 100%;
  overflow: auto;
  text-align: center;
  box-shadow: 0 15px 60px #0006;
}
.hero-logo {
  width: 175px;
  height: 90px;
  object-fit: contain;
}
.panel h1 {
  font-size: 30px;
  margin: 4px 0 12px;
  color: #ffe7b4;
}
.panel p {
  font-size: 16px;
  line-height: 1.65;
  margin: 6px 0 16px;
}
.panel button {
  margin: 4px;
  min-width: 125px;
}
.panel .route-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.route-grid button {
  min-width: 0;
  margin: 0;
  font-family: Arial, sans-serif;
  padding: 12px 6px;
}
.setting-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 15px 0;
}
.setting-row label {
  width: 80px;
  text-align: start;
}
.setting-row input {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
  min-height: 36px;
}
.setting-row input::-webkit-slider-runnable-track {
  height: 12px;
  border: 4px solid transparent;
  border-image: url("../panel.png") 48 50 48 50 fill / 4px / 0 stretch;
}
.setting-row input::-moz-range-track {
  height: 12px;
  border: 4px solid transparent;
  border-image: url("../panel.png") 48 50 48 50 fill / 4px / 0 stretch;
}
.setting-row input::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 28px;
  height: 24px;
  margin-top: -10px;
  background: url("../weight.png") center/contain no-repeat;
}
.setting-row input::-moz-range-thumb {
  width: 28px;
  height: 24px;
  border: 0;
  background: url("../weight.png") center/contain no-repeat;
}
.setting-row input:focus-visible {
  outline: 2px solid #ffca66;
  outline-offset: 2px;
}
.console {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  align-items: center;
  gap: 25px;
  padding: 18px 24px;
  border-top: 2px solid #baa071;
  background: linear-gradient(#153627, #0c241b);
}
.ballast {
  grid-column: 2;
  grid-row: 1;
  text-align: center;
}
.ballast button {
  width: 100%;
  font-size: 17px;
}
.rail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  font:
    700 11px Arial,
    sans-serif;
}
.rail i {
  position: relative;
  flex: 1;
  height: 5px;
  background: #d5ba7b;
  border-radius: 4px;
}
.rail b {
  position: absolute;
  top: -6px;
  left: 85%;
  width: 17px;
  height: 18px;
  border-radius: 4px;
  background: linear-gradient(90deg, #a57222, #edbe58, #a57222);
  border: 1px solid #fff1be;
  transform: translateX(-50%);
  transition: left 0.12s;
}
.pedal {
  height: 82px;
  font-size: 22px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
#reverse {
  grid-column: 1;
  grid-row: 1;
}
#drive {
  grid-column: 3;
  grid-row: 1;
}
.footer {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 9px 17px 14px;
  font:
    13px Arial,
    sans-serif;
  border-top: 1px solid #78905d55;
}
.footer > span {
  flex: 1;
  line-height: 1.5;
}
.footer button {
  padding: 7px 15px;
  min-height: 38px;
  font-size: 12px;
}
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
@media (max-width: 600px) {
  body {
    padding: 4px;
  }
  #game {
    border-radius: 15px;
  }
  .top {
    height: 86px;
    padding: 6px 10px;
    gap: 5px;
  }
  .top > img {
    width: 100px;
    height: 65px;
  }
  .route {
    font-size: 10px;
    letter-spacing: 1px;
  }
  .route strong {
    font-size: 16px;
  }
  .top button {
    min-height: 40px;
    padding: 9px 12px;
    font-size: 19px;
  }
  .stage {
    aspect-ratio: 390/385;
  }
  .panel {
    padding: 20px 18px;
  }
  .hero-logo {
    width: 140px;
    height: 70px;
  }
  .panel h1 {
    font-size: 25px;
  }
  .panel p {
    font-size: 14px;
  }
  .panel button {
    min-width: 110px;
  }
  .console {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 16px;
  }
  .ballast {
    grid-column: 1/3;
    grid-row: 1;
    max-width: 340px;
    width: 100%;
    margin: auto;
  }
  .pedal {
    height: 82px;
    font-size: clamp(15px, 4vw, 19px);
    line-height: 1.25;
    overflow-wrap: anywhere;
  }
  #reverse {
    grid-row: 2;
    grid-column: 1;
  }
  #drive {
    grid-row: 2;
    grid-column: 2;
  }
  .footer {
    flex-wrap: wrap;
  }
  .footer > span {
    flex-basis: 100%;
  }
  .instruments {
    top: 10px;
    left: 10px;
  }
  .instruments span {
    font-size: 12px;
    padding: 5px 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}
[dir="rtl"] .top,
[dir="rtl"] .footer {
  direction: rtl;
}
.console {
  direction: ltr;
}

/* Production nine-slice frames: source pixels, then fixed CSS border widths. */
button {
  background: none;
  border-style: solid;
  border-width: 12px 18px;
  border-color: transparent;
  border-image: url("../button.png") 50 70 50 70 fill / 12px 18px / 0 stretch;
  padding: 3px 9px;
}
button:hover {
  background: none;
  border-image-source: url("../button-hover.png");
  color: #102a22;
}
button:active,
button.held,
button[aria-pressed="true"] {
  background: none;
  border-image-source: url("../button-pressed.png");
  color: #fff0c9;
}
.panel {
  border: 25px solid transparent;
  border-image: url("../panel.png") 48 50 48 50 fill / 25px / 0 stretch;
  background: none;
  border-radius: 0;
  padding: 10px 14px;
}
.top,
.console {
  border: 13px solid transparent;
  border-image: url("../panel.png") 48 50 48 50 fill / 13px / 0 stretch;
  background: none;
}
.top {
  height: 100px;
  padding: 0 8px;
}
.console {
  padding: 8px 12px;
}
.instruments span {
  border: 8px solid transparent;
  border-image: url("../panel.png") 48 50 48 50 fill / 8px / 0 stretch;
  background: none;
  padding: 0 5px;
}
@media (max-width: 600px) {
  .top {
    height: 86px;
    padding: 0;
  }
  .console {
    padding: 5px;
  }
  .panel {
    padding: 6px 8px;
    border-width: 18px;
    border-image-width: 18px;
  }
  .top button {
    padding: 1px 2px;
  }
  .panel button {
    min-width: 102px;
  }
  .pedal {
    padding: 2px 3px;
    border-width: 10px 12px;
    border-image-width: 10px 12px;
  }
}

.rail b {
  background: transparent url("../weight.png") center/contain no-repeat;
  border: 0;
  width: 24px;
  height: 18px;
}
.panel p {
  white-space: pre-line;
}
.panel[data-mode="ready"] .hero-logo {
  width: 130px;
  height: 60px;
}
.panel[data-mode="ready"] h1 {
  font-size: 26px;
  margin: 4px 0 8px;
}
.panel[data-mode="ready"] p {
  font-size: 14px;
  line-height: 1.45;
  margin: 6px 0 12px;
}
.panel[data-mode="ready"] #modal-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.panel[data-mode="ready"] button {
  margin: 0;
}
.panel .route-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: max-content;
  align-content: start;
}
.panel .route-grid button {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
  padding: 4px 0;
  border-width: 12px 10px;
  border-image-width: 12px 10px;
}
.route-grid small {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  line-height: 1.3;
}
.panel[data-mode="routes"] {
  display: flex;
  flex-direction: column;
}
.panel[data-mode="routes"] #modal-actions {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.panel[data-mode="routes"] .route-grid {
  overflow: auto;
  min-height: 0;
  padding: 2px;
}
.panel[data-mode="routes"] #modal-actions > button {
  flex-shrink: 0;
  margin-top: 8px;
}
/* Outcome actions stay in view; only long route lists scroll. */
.panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"]) {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 12px;
  padding: 8px 12px;
  overflow: hidden;
}
.panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"])
  .hero-logo {
  grid-column: 1;
  grid-row: 1 / 3;
  width: 64px;
  height: 64px;
}
.panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"]) h1 {
  grid-column: 2;
  margin: 0;
  font-size: 25px;
}
.panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"]) p {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  min-height: 0;
  overflow: auto;
}
.panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"])
  #modal-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  margin-top: 6px;
}
.panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"]) button {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  margin: 0;
  padding: 3px 4px;
  border-width: 10px 12px;
  border-image-width: 10px 12px;
  font-size: 14px;
  line-height: 1.3;
}
@media (min-width: 601px) and (max-width: 900px) {
  .panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"]) {
    border-width: 18px;
    border-image-width: 18px;
  }
}
@media (max-width: 600px) {
  .panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"]) {
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: 8px;
  }
  .panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"])
    .hero-logo {
    width: 48px;
    height: 48px;
  }
  .panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"]) h1 {
    font-size: 20px;
    line-height: 1.2;
  }
  .panel:is([data-mode="win"], [data-mode="crash"], [data-mode="pause"]) p {
    font-size: 13px;
  }
}
.panel[data-mode="routes"] .hero-logo,
.panel[data-mode="settings"] .hero-logo {
  display: none;
}
.panel[data-mode="routes"] h1 {
  font-size: 23px;
  margin: 0 0 8px;
}
.panel[data-mode="routes"] p {
  font-size: 13px;
  margin: 4px 0 10px;
}
@media (max-width: 600px) {
  .top > img {
    width: 82px;
  }
  .top button {
    width: 44px;
    min-width: 44px;
    border-width: 10px 12px;
    border-image-width: 10px 12px;
    padding: 2px;
  }
  .route {
    min-width: 0;
  }
  .route strong {
    overflow-wrap: anywhere;
    font-size: 14px;
    line-height: 1.2;
  }
  .panel[data-mode="routes"] p {
    display: none;
  }
  .panel .route-grid button {
    font-size: 12px;
    line-height: 1.25;
    min-height: 58px;
    padding: 4px 0;
    border-width: 8px;
    border-image-width: 8px;
  }
}
@media (min-width: 601px) {
  .stage {
    aspect-ratio: 960 / 350;
  }
  .console {
    padding-block: 4px;
  }
  .pedal {
    height: 70px;
  }
  .footer button {
    border-width: 8px 12px;
    border-image-width: 8px 12px;
    padding: 5px 8px;
  }
}
@media (min-width: 601px) and (max-width: 900px) {
  .panel[data-mode="ready"] .hero-logo {
    display: none;
  }
}
button:disabled {
  border-image-source: url("../button-disabled.png");
  color: #f9edce;
  filter: none;
  opacity: 0.9;
}
@media (max-width: 360px) {
  .overlay {
    padding: 8px;
  }
  .panel[data-mode="ready"] .hero-logo {
    display: none;
  }
  .panel[data-mode="ready"] p {
    line-height: 1.4;
    margin-bottom: 10px;
  }
  .panel[data-mode="ready"] #modal-actions {
    display: flex;
    gap: 6px;
  }
  .panel[data-mode="ready"] button {
    flex: 1;
    min-width: 0;
    margin: 0;
    font-size: 14px;
    padding: 2px;
    border-width: 10px 12px;
    border-image-width: 10px 12px;
  }
}