:root {
  --bg-top: #f5efe5;
  --bg-bottom: #ddd4c4;
  --panel: #fbf7ef;
  --panel-border: #cdbfa9;
  --text: #2a241d;
  --muted: #6f665b;
  --board: #b49c7a;
  --cell: #f3ebdd;
  --engine-body: #3f6f87;
  --engine-front: #234557;
  --wagon-body: #7a8f8c;
  --wagon-roof: #e5cf8f;
  --caboose-body: #6f8353;
  --wagon-window: #fff6cf;
  --wagon-trim: #4d3728;
  --food: #c96f3d;
  --button: #e9ddc9;
  --button-border: #a48d6d;
  --button-active: #d6c4a6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

body[data-color-theme="light"] {
  color-scheme: light;
}

body[data-color-theme="dark"] {
  --bg-top: #191b1f;
  --bg-bottom: #0e1013;
  --panel: #1f242a;
  --panel-border: #44505d;
  --text: #eef3f8;
  --muted: #aeb8c4;
  --board: #3a4654;
  --cell: #222b35;
  --wagon-window: #dff5ff;
  --food: #d07a45;
  --button: #2b3440;
  --button-border: #5a6978;
  --button-active: #384453;
  color-scheme: dark;
}

body.settings-modal-open {
  overflow: visible;
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.panel {
  width: min(100%, 38rem);
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 0.75rem 2rem rgba(42, 36, 29, 0.12);
}

.panel-wide {
  width: min(100%, 72rem);
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}

.header-side {
  display: flex;
  align-items: stretch;
  gap: 0.9rem;
}

.header-actions {
  display: flex;
  align-items: stretch;
  gap: 0.9rem;
}

.stats {
  display: flex;
  gap: 0.75rem;
}

.eyebrow,
.hint,
.score-label {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

h1 {
  margin: 0.25rem 0 0;
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.stat-card {
  min-width: 5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 0.85rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.42);
}

.stat-card strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1.75rem;
}

.status {
  min-height: 1.5rem;
  margin: 1rem 0 1rem;
  color: var(--muted);
}

.header-settings-button {
  min-height: 100%;
  min-width: 6.75rem;
  padding-inline: 1.2rem;
}

.home-status {
  max-width: 42rem;
}

.page-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 1rem;
}

.footer-back-link {
  min-width: 0;
}

.board-shell {
  position: relative;
  width: min(100%, 32rem);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  overflow: hidden;
  --motion-duration: 0ms;
}

.board {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 100%;
  height: 100%;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--panel-border);
  border-radius: 0.85rem;
  background: var(--board);
  outline: none;
  touch-action: none;
  user-select: none;
  transition: transform var(--motion-duration) linear;
  will-change: transform;
}

.train-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.train-segment {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  pointer-events: none;
  transition: transform var(--motion-duration) linear;
  will-change: transform;
}

.train-sprite {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 0.2rem;
}

.food-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 0.35rem 1rem rgba(42, 36, 29, 0.18);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition:
    left var(--motion-duration) linear,
    top var(--motion-duration) linear;
}

.food-indicator.hidden {
  display: none;
}

.cell {
  position: relative;
  overflow: hidden;
  background: var(--cell);
  border-radius: 0.2rem;
}

:is(.cell, .train-sprite).train-engine,
:is(.cell, .train-sprite).train-wagon,
:is(.cell, .train-sprite).train-caboose,
.cell.obstacle,
.cell.food {
  box-shadow: inset 0 0 0 1px rgba(42, 36, 29, 0.14);
}

.cell.obstacle {
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.08) 0 20%, transparent 20% 80%, rgba(255, 255, 255, 0.08) 80% 100%),
    linear-gradient(135deg, rgba(42, 36, 29, 0.18) 0 22%, transparent 22% 78%, rgba(42, 36, 29, 0.18) 78% 100%),
    #6f5f50;
}

.cell.obstacle::before,
.cell.obstacle::after {
  content: "";
  position: absolute;
  background: rgba(42, 36, 29, 0.28);
}

.cell.obstacle::before {
  top: 18%;
  bottom: 18%;
  left: 44%;
  width: 12%;
}

.cell.obstacle::after {
  left: 18%;
  right: 18%;
  top: 44%;
  height: 12%;
}

:is(.cell, .train-sprite).train-engine {
  background:
    linear-gradient(180deg, var(--wagon-roof) 0 24%, transparent 24% 100%),
    linear-gradient(180deg, transparent 0 74%, var(--wagon-trim) 74% 100%),
    var(--engine-body);
  transform-origin: center;
}

:is(.cell, .train-sprite).train-engine::before {
  content: "";
  position: absolute;
  top: 28%;
  left: 18%;
  width: 24%;
  height: 18%;
  border-radius: 0.15rem;
  background: var(--wagon-window);
  box-shadow: 0.42rem 0 0 var(--wagon-window);
}

:is(.cell, .train-sprite).train-engine::after {
  content: "";
  position: absolute;
  top: 24%;
  right: 0;
  bottom: 26%;
  width: 28%;
  border-radius: 0.15rem;
  background: var(--engine-front);
}

:is(.cell, .train-sprite).train-wagon,
:is(.cell, .train-sprite).train-caboose {
  background:
    linear-gradient(180deg, var(--wagon-roof) 0 22%, transparent 22% 100%),
    linear-gradient(180deg, transparent 0 74%, var(--wagon-trim) 74% 100%),
    var(--wagon-body);
  transform-origin: center;
}

:is(.cell, .train-sprite).train-caboose {
  background:
    linear-gradient(180deg, var(--wagon-roof) 0 22%, transparent 22% 100%),
    linear-gradient(180deg, transparent 0 74%, var(--wagon-trim) 74% 100%),
    var(--caboose-body);
}

:is(.cell, .train-sprite).train-wagon::before,
:is(.cell, .train-sprite).train-caboose::before {
  content: "";
  position: absolute;
  left: 15%;
  right: 15%;
  top: 32%;
  height: 20%;
  border-radius: 0.12rem;
  background:
    repeating-linear-gradient(
      90deg,
      var(--wagon-window) 0 18%,
      transparent 18% 30%
    );
}

:is(.cell, .train-sprite).train-wagon::after,
:is(.cell, .train-sprite).train-caboose::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14%;
  height: 12%;
  background:
    linear-gradient(
      90deg,
      transparent 0 10%,
      var(--wagon-trim) 10% 24%,
      transparent 24% 76%,
      var(--wagon-trim) 76% 90%,
      transparent 90% 100%
    );
}

:is(.cell, .train-sprite).train-engine.dir-up,
:is(.cell, .train-sprite).train-wagon.dir-up,
:is(.cell, .train-sprite).train-caboose.dir-up {
  transform: rotate(-90deg);
}

:is(.cell, .train-sprite).train-engine.dir-down,
:is(.cell, .train-sprite).train-wagon.dir-down,
:is(.cell, .train-sprite).train-caboose.dir-down {
  transform: rotate(90deg);
}

:is(.cell, .train-sprite).train-engine.dir-left,
:is(.cell, .train-sprite).train-wagon.dir-left,
:is(.cell, .train-sprite).train-caboose.dir-left {
  transform: scaleX(-1);
}

.cell.food {
  background:
    linear-gradient(45deg, transparent 0 46%, rgba(88, 55, 29, 0.22) 46% 54%, transparent 54% 100%),
    linear-gradient(-45deg, transparent 0 46%, rgba(88, 55, 29, 0.22) 46% 54%, transparent 54% 100%),
    var(--food);
  border-radius: 0.28rem;
}

.cell.food::before {
  content: "";
  position: absolute;
  inset: 20%;
  border: 1px solid rgba(88, 55, 29, 0.32);
  border-radius: 0.15rem;
}

.board[data-train-theme="classic"] {
  --engine-body: #3f6f87;
  --engine-front: #234557;
  --wagon-body: #7a8f8c;
  --wagon-roof: #e5cf8f;
  --caboose-body: #6f8353;
  --wagon-window: #fff6cf;
  --wagon-trim: #4d3728;
  --food: #c96f3d;
}

.board[data-train-theme="steam"] {
  --engine-body: #414349;
  --engine-front: #1e2025;
  --wagon-body: #7d3a31;
  --wagon-roof: #d9b06f;
  --caboose-body: #5a211a;
  --wagon-window: #f8ecc8;
  --wagon-trim: #2d1b13;
  --food: #3a3a3a;
}

.board[data-train-theme="diesel"] {
  --engine-body: #2f6981;
  --engine-front: #f3c646;
  --wagon-body: #6d8d61;
  --wagon-roof: #f6e3a2;
  --caboose-body: #b6543b;
  --wagon-window: #eef8f4;
  --wagon-trim: #234150;
  --food: #d78134;
}

.board[data-train-theme="electric"] {
  --engine-body: #315a87;
  --engine-front: #18314d;
  --wagon-body: #3f8d8b;
  --wagon-roof: #d3edf0;
  --caboose-body: #315f6a;
  --wagon-window: #f5ffff;
  --wagon-trim: #233844;
  --food: #d65a45;
}

.board[data-train-theme="express"] {
  --engine-body: #dcd6cb;
  --engine-front: #a3342a;
  --wagon-body: #f1ebe1;
  --wagon-roof: #c64739;
  --caboose-body: #d9d0c5;
  --wagon-window: #5c7f99;
  --wagon-trim: #943328;
  --food: #c16f31;
}

.board[data-train-theme="steam"] :is(.cell, .train-sprite).train-engine {
  background:
    radial-gradient(circle at 26% 14%, rgba(255, 255, 255, 0.82) 0 7%, transparent 7.5%),
    radial-gradient(circle at 40% 8%, rgba(255, 255, 255, 0.56) 0 6%, transparent 6.5%),
    linear-gradient(90deg, transparent 0 35%, #2b2c31 35% 46%, transparent 46% 100%),
    linear-gradient(180deg, var(--wagon-roof) 0 14%, transparent 14% 100%),
    linear-gradient(180deg, transparent 0 76%, var(--wagon-trim) 76% 100%),
    var(--engine-body);
}

.board[data-train-theme="steam"] :is(.cell, .train-sprite).train-engine::before {
  top: 30%;
  left: 17%;
  width: 18%;
  height: 16%;
  border-radius: 0.14rem;
  background: var(--wagon-window);
  box-shadow: 0.34rem 0 0 var(--wagon-window);
}

.board[data-train-theme="steam"] :is(.cell, .train-sprite).train-engine::after {
  background: linear-gradient(180deg, #0f1013 0 74%, #7a3428 74% 100%);
  border-radius: 0.35rem;
}

.board[data-train-theme="steam"] :is(.cell, .train-sprite).train-wagon,
.board[data-train-theme="steam"] :is(.cell, .train-sprite).train-caboose {
  background:
    linear-gradient(180deg, var(--wagon-roof) 0 18%, transparent 18% 100%),
    linear-gradient(180deg, transparent 0 70%, var(--wagon-trim) 70% 100%),
    linear-gradient(90deg, transparent 0 8%, rgba(255, 255, 255, 0.1) 8% 12%, transparent 12% 88%, rgba(255, 255, 255, 0.1) 88% 92%, transparent 92% 100%),
    var(--wagon-body);
}

.board[data-train-theme="steam"] :is(.cell, .train-sprite).train-wagon::after,
.board[data-train-theme="steam"] :is(.cell, .train-sprite).train-caboose::after {
  left: 8%;
  right: 8%;
  bottom: 8%;
  height: 18%;
  background:
    radial-gradient(circle at 18% 50%, #262122 0 18%, transparent 19%),
    radial-gradient(circle at 50% 50%, #262122 0 18%, transparent 19%),
    radial-gradient(circle at 82% 50%, #262122 0 18%, transparent 19%);
}

.board[data-train-theme="diesel"] :is(.cell, .train-sprite).train-engine {
  background:
    linear-gradient(135deg, transparent 0 38%, rgba(255, 255, 255, 0.2) 38% 46%, transparent 46% 100%),
    linear-gradient(180deg, var(--wagon-roof) 0 19%, transparent 19% 100%),
    linear-gradient(90deg, transparent 0 72%, var(--engine-front) 72% 100%),
    linear-gradient(180deg, transparent 0 76%, var(--wagon-trim) 76% 100%),
    var(--engine-body);
}

.board[data-train-theme="diesel"] :is(.cell, .train-sprite).train-engine::before {
  top: 28%;
  left: 14%;
  width: 22%;
  height: 18%;
  border-radius: 0.12rem;
  background: #eef7ef;
  box-shadow:
    0.36rem 0 0 #eef7ef,
    0.72rem 0 0 #eef7ef;
}

.board[data-train-theme="diesel"] :is(.cell, .train-sprite).train-engine::after {
  background: linear-gradient(180deg, #f7d86b 0 34%, #264457 34% 100%);
}

.board[data-train-theme="diesel"] :is(.cell, .train-sprite).train-wagon,
.board[data-train-theme="diesel"] :is(.cell, .train-sprite).train-caboose {
  background:
    linear-gradient(180deg, var(--wagon-roof) 0 20%, transparent 20% 100%),
    linear-gradient(180deg, transparent 0 72%, var(--wagon-trim) 72% 100%),
    linear-gradient(90deg, transparent 0 10%, rgba(243, 198, 70, 0.85) 10% 18%, transparent 18% 82%, rgba(243, 198, 70, 0.85) 82% 90%, transparent 90% 100%),
    var(--wagon-body);
}

.board[data-train-theme="electric"] :is(.cell, .train-sprite).train-engine {
  background:
    linear-gradient(180deg, transparent 0 10%, #dff6fa 10% 15%, transparent 15% 100%),
    linear-gradient(90deg, transparent 0 24%, #1f3c57 24% 30%, transparent 30% 56%, #1f3c57 56% 62%, transparent 62% 100%),
    linear-gradient(180deg, var(--wagon-roof) 0 22%, transparent 22% 100%),
    linear-gradient(180deg, transparent 0 74%, var(--wagon-trim) 74% 100%),
    var(--engine-body);
}

.board[data-train-theme="electric"] :is(.cell, .train-sprite).train-engine::before {
  top: 30%;
  left: 18%;
  width: 20%;
  height: 16%;
  border-radius: 0.14rem;
  background: var(--wagon-window);
  box-shadow:
    0.34rem 0 0 var(--wagon-window),
    0.68rem 0 0 var(--wagon-window);
}

.board[data-train-theme="electric"] :is(.cell, .train-sprite).train-engine::after {
  background: linear-gradient(180deg, #12283f 0 65%, #4ba6a3 65% 100%);
}

.board[data-train-theme="electric"] :is(.cell, .train-sprite).train-wagon,
.board[data-train-theme="electric"] :is(.cell, .train-sprite).train-caboose {
  background:
    linear-gradient(180deg, var(--wagon-roof) 0 18%, transparent 18% 100%),
    linear-gradient(180deg, transparent 0 72%, var(--wagon-trim) 72% 100%),
    linear-gradient(90deg, transparent 0 12%, rgba(255, 255, 255, 0.5) 12% 18%, transparent 18% 82%, rgba(255, 255, 255, 0.5) 82% 88%, transparent 88% 100%),
    var(--wagon-body);
}

.board[data-train-theme="express"] :is(.cell, .train-sprite).train-engine {
  background:
    linear-gradient(160deg, transparent 0 36%, rgba(195, 71, 57, 0.92) 36% 44%, transparent 44% 100%),
    linear-gradient(180deg, #f7f2ea 0 24%, transparent 24% 100%),
    linear-gradient(180deg, transparent 0 78%, var(--wagon-trim) 78% 100%),
    var(--engine-body);
}

.board[data-train-theme="express"] :is(.cell, .train-sprite).train-engine::before {
  top: 28%;
  left: 20%;
  width: 38%;
  height: 14%;
  border-radius: 999px;
  background: rgba(92, 127, 153, 0.95);
  box-shadow: none;
}

.board[data-train-theme="express"] :is(.cell, .train-sprite).train-engine::after {
  background: linear-gradient(180deg, #b4362b 0 100%);
  border-radius: 999px;
}

.board[data-train-theme="express"] :is(.cell, .train-sprite).train-wagon,
.board[data-train-theme="express"] :is(.cell, .train-sprite).train-caboose {
  background:
    linear-gradient(180deg, var(--wagon-roof) 0 16%, transparent 16% 100%),
    linear-gradient(180deg, transparent 0 76%, var(--wagon-trim) 76% 100%),
    linear-gradient(90deg, transparent 0 8%, rgba(195, 71, 57, 0.95) 8% 14%, transparent 14% 86%, rgba(195, 71, 57, 0.95) 86% 92%, transparent 92% 100%),
    var(--wagon-body);
}

.board[data-train-theme="express"] :is(.cell, .train-sprite).train-wagon::before,
.board[data-train-theme="express"] :is(.cell, .train-sprite).train-caboose::before {
  left: 12%;
  right: 12%;
  top: 30%;
  height: 18%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--wagon-window) 0 100%);
}

.action-region,
.controls {
  display: grid;
  gap: 1rem;
}

.action-region {
  margin-top: 1.4rem;
  padding: 0.4rem 0.25rem 0.2rem;
}

.action-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 2.5rem;
}

.action-button {
  min-height: 3.4rem;
  min-width: 7.5rem;
  padding-inline: 1.35rem;
}

#pause-button {
  justify-self: start;
}

#restart-button {
  justify-self: end;
}

.settings-drawer {
  position: absolute;
  top: 5.5rem;
  right: 1.5rem;
  width: min(calc(100% - 3rem), 34rem);
  opacity: 0;
  pointer-events: none;
  z-index: 30;
  transition:
    opacity 180ms ease,
    visibility 180ms ease;
  visibility: hidden;
}

.settings-drawer.open {
  opacity: 1;
  visibility: visible;
}

.settings-modal {
  width: 100%;
  max-height: min(70vh, 40rem);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  position: relative;
  border: 1px solid var(--panel-border);
  border-radius: 1rem;
  background: var(--panel);
  box-shadow: 0 1.1rem 2.8rem rgba(42, 36, 29, 0.22);
  pointer-events: auto;
  transform: translateY(0.5rem) scale(0.98);
  transition: transform 180ms ease;
  overflow: hidden;
  outline: none;
}

.settings-drawer.open .settings-modal {
  transform: translateY(0) scale(1);
}

.settings-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1rem 0.85rem;
  border-bottom: 1px solid rgba(164, 141, 109, 0.28);
}

.settings-modal-title {
  margin: 0;
  font-size: 1.1rem;
}

.settings-close-button {
  flex: 0 0 auto;
  min-width: 2.8rem;
  min-height: 2.8rem;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  line-height: 1;
}

.settings-modal-body {
  display: grid;
  gap: 0.85rem;
  align-content: start;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1rem;
  scrollbar-gutter: stable;
}

.settings-group {
  display: grid;
  gap: 0.45rem;
}

.settings-label {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.settings-section-title {
  margin: 0;
}

.settings-select {
  display: block;
  width: 100%;
  min-height: 3.1rem;
  border: 1px solid var(--button-border);
  border-radius: 0.75rem;
  background: var(--button);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 0.75rem 1rem;
  position: relative;
  z-index: 3;
}

.settings-input {
  display: block;
  width: 100%;
  min-height: 3.1rem;
  border: 1px solid var(--button-border);
  border-radius: 0.75rem;
  background: var(--button);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 0.75rem 1rem;
}

.settings-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.settings-option {
  width: 100%;
  min-height: 3.2rem;
  padding-inline: 1.25rem;
}

.multiplayer-entry {
  display: grid;
  gap: 0.8rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(164, 141, 109, 0.28);
}

.join-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 0.7rem;
}

.join-button {
  width: auto;
  min-width: 7rem;
}

.public-room-block {
  display: grid;
  gap: 0.6rem;
}

.public-room-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.settings-inline-label {
  margin: 0;
}

.public-room-list {
  display: grid;
  gap: 0.55rem;
  max-height: 12.5rem;
  overflow-y: auto;
  padding-right: 0.15rem;
}

.room-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(164, 141, 109, 0.26);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.28);
}

.room-entry-main {
  display: grid;
  gap: 0.2rem;
}

.room-entry-meta {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.3;
}

.public-room-empty {
  padding: 0.6rem 0.15rem 0;
}

.mini-button {
  min-height: 2.5rem;
  padding: 0.55rem 0.9rem;
  font-size: 0.92rem;
  white-space: nowrap;
}

.multiplayer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18rem;
  gap: 1.25rem;
  align-items: start;
}

.multiplayer-main {
  display: grid;
  gap: 0.85rem;
}

.multiplayer-main .board-shell {
  width: min(100%, 42rem);
}

.room-sidebar {
  display: grid;
  gap: 0.9rem;
}

.room-card {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.24);
}

.panel-home {
  overflow: visible;
}

.home-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 1.25rem;
  align-items: start;
}

.home-card {
  gap: 1rem;
  min-height: 100%;
}

.home-card-title {
  font-size: 1.15rem;
}

.home-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.home-note {
  padding-top: 0.15rem;
}

.home-launch-button {
  width: 100%;
  min-height: 3.3rem;
}

.mode-toggle-grid {
  display: grid;
  gap: 0.7rem;
}

.sidebar-title {
  margin: 0;
  font-size: 1rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.info-label {
  color: var(--muted);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.players-list {
  display: grid;
  gap: 0.55rem;
}

.player-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.7rem;
  align-items: center;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(164, 141, 109, 0.24);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.2);
}

.player-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
}

.player-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.player-out {
  opacity: 0.62;
}

.player-swatch {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(42, 36, 29, 0.16);
}

.action-button-secondary {
  width: 100%;
}

.player-slot-0 {
  --engine-body: #3f6f87;
  --engine-front: #234557;
  --wagon-body: #7a8f8c;
  --wagon-roof: #e5cf8f;
  --caboose-body: #6f8353;
  --wagon-window: #fff6cf;
  --wagon-trim: #4d3728;
  background-color: #3f6f87;
}

.player-slot-1 {
  --engine-body: #414349;
  --engine-front: #1e2025;
  --wagon-body: #7d3a31;
  --wagon-roof: #d9b06f;
  --caboose-body: #5a211a;
  --wagon-window: #f8ecc8;
  --wagon-trim: #2d1b13;
  background-color: #7d3a31;
}

.player-slot-2 {
  --engine-body: #2f6981;
  --engine-front: #f3c646;
  --wagon-body: #6d8d61;
  --wagon-roof: #f6e3a2;
  --caboose-body: #b6543b;
  --wagon-window: #eef8f4;
  --wagon-trim: #234150;
  background-color: #2f6981;
}

.player-slot-3 {
  --engine-body: #315a87;
  --engine-front: #18314d;
  --wagon-body: #3f8d8b;
  --wagon-roof: #d3edf0;
  --caboose-body: #315f6a;
  --wagon-window: #f5ffff;
  --wagon-trim: #233844;
  background-color: #315a87;
}

.player-slot-4 {
  --engine-body: #dcd6cb;
  --engine-front: #a3342a;
  --wagon-body: #f1ebe1;
  --wagon-roof: #c64739;
  --caboose-body: #d9d0c5;
  --wagon-window: #5c7f99;
  --wagon-trim: #943328;
  background-color: #c64739;
}

.train-sprite.player-local {
  box-shadow:
    inset 0 0 0 1px rgba(42, 36, 29, 0.14),
    0 0 0 2px rgba(255, 255, 255, 0.85);
}

.controls {
  justify-items: center;
  margin-top: 1.35rem;
}

.controls-row {
  display: flex;
  gap: 1rem;
}

.controls button {
  min-width: 4rem;
  padding-inline: 0;
  font-size: 1.35rem;
  line-height: 1;
  display: grid;
  place-items: center;
}

button,
.button-link {
  appearance: none;
  border: 1px solid var(--button-border);
  border-radius: 0.75rem;
  background: var(--button);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 0.95rem 1.25rem;
  cursor: pointer;
  touch-action: manipulation;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:hover:enabled,
button:focus-visible:enabled,
.button-link:hover,
.button-link:focus-visible {
  background: var(--button-active);
  outline: none;
}

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

kbd {
  border: 1px solid var(--panel-border);
  border-radius: 0.35rem;
  padding: 0.1rem 0.35rem;
  background: rgba(255, 255, 255, 0.6);
  font-family: inherit;
  font-size: 0.92em;
}

.hint {
  margin-top: 1rem;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .panel {
    padding: 0.9rem;
  }

  .panel-wide {
    width: min(100%, 38rem);
  }

  .header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
  }

  .stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    gap: 0.55rem;
  }

  .header-side {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: stretch;
    gap: 0.65rem;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .stat-card {
    min-width: 0;
    width: auto;
    padding: 0.65rem 0.75rem;
  }

  .stat-card strong {
    font-size: 1.45rem;
  }

  .header-settings-button {
    min-width: 6rem;
    width: auto;
    padding-inline: 0.95rem;
    white-space: nowrap;
  }

  .settings-drawer {
    top: 6.4rem;
    right: 0.9rem;
    left: 0.9rem;
    width: auto;
  }

  .settings-modal {
    width: 100%;
    max-height: min(62vh, 34rem);
  }

  .settings-modal-header {
    padding: 0.9rem 0.9rem 0.8rem;
  }

  .settings-modal-body {
    padding: 0.9rem;
  }

  .join-row,
  .room-entry {
    grid-template-columns: 1fr;
  }

  .join-button,
  .room-entry .mini-button {
    width: 100%;
  }

  .action-region {
    gap: 0.75rem;
    margin-top: 1.1rem;
    padding-inline: 0;
  }

  .action-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .action-button,
  .header-settings-button {
    min-width: 0;
  }

  .action-button {
    width: 100%;
    min-height: 3.2rem;
    padding-inline: 0.85rem;
  }

  #pause-button,
  #restart-button {
    justify-self: stretch;
  }

  .controls {
    margin-top: 1.15rem;
    gap: 0.85rem;
  }

  .controls-row {
    gap: 0.85rem;
    width: 100%;
    justify-content: center;
  }

  .controls button {
    min-width: 4.2rem;
    font-size: 1.45rem;
  }

  .hint {
    margin-top: 0.85rem;
  }

  .multiplayer-layout {
    grid-template-columns: 1fr;
  }

  .home-layout {
    grid-template-columns: 1fr;
  }

  .room-sidebar {
    order: -1;
  }
}

@media (max-width: 420px) {
  .panel {
    padding: 0.8rem;
  }

  .header-side {
    grid-template-columns: 1fr;
  }

  .header-actions {
    width: 100%;
  }

  .stats {
    gap: 0.45rem;
  }

  .header-settings-button {
    width: 100%;
  }

  .action-bar {
    gap: 0.8rem;
  }

  .controls-row {
    gap: 0.7rem;
  }

  .settings-drawer {
    top: 6.1rem;
    right: 0.8rem;
    left: 0.8rem;
  }

  .settings-modal {
    max-height: min(58vh, 32rem);
    border-radius: 0.9rem;
  }

  .public-room-header,
  .info-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }
}