:root {
  --board-bg: #121519;
  --board-grid: rgba(255, 255, 255, 0.08);
  --panel-bg: #1f252f;
  --panel-border: rgba(255, 255, 255, 0.1);
  --text-color: #f1f5f9;
  --accent: #4ade80;
  --danger: #f87171;
  --warning: #facc15;
  --info: #60a5fa;
  --tile-size: min(5vw, 48px);
  --path-legal: rgba(76, 175, 80, 0.35);
  --path-lethal: rgba(239, 68, 68, 0.35);
  --path-stop: rgba(234, 179, 8, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #1f2937, #0f172a);
  color: var(--text-color);
  font-family: "Inter", "Segoe UI", sans-serif;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

#app {
  width: 100%;
  max-width: 1280px;
  padding: 24px;
  display: grid;
  gap: 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
}

main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

main.game-layout {
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  align-items: start;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.35);
}

.panel h2,
.panel h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.turn-panel {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.turn-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.turn-heading {
  display: flex;
  align-items: center;
  gap: 12px;
}

.turn-name {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}

.turn-token {
  font-size: 0.85rem;
  font-weight: 600;
}

.turn-meta {
  font-size: 0.95rem;
  opacity: 0.8;
}

.turn-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
  gap: 12px;
}

.return-button {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(96, 165, 250, 0.4);
  background: rgba(96, 165, 250, 0.15);
  color: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.return-button:hover {
  background: rgba(96, 165, 250, 0.3);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.25);
}

.return-button:focus {
  outline: 2px solid rgba(96, 165, 250, 0.6);
  outline-offset: 2px;
}

.return-button:active {
  transform: translateY(1px);
}

.board-wrapper {
  overflow: auto;
  padding: 12px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 16px;
  border: 1px solid var(--panel-border);
  box-shadow: inset 0 0 24px rgba(15, 23, 42, 0.5);
}

.board {
  position: relative;
  display: grid;
  gap: 0;
  background: var(--board-bg);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
}

.tile {
  width: var(--tile-size);
  height: var(--tile-size);
  border: 1px solid var(--board-grid);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  cursor: pointer;
}

.tile:hover {
  background: rgba(255, 255, 255, 0.05);
}

.tile.disabled,
.tile.disabled:hover {
  cursor: not-allowed;
  opacity: 0.4;
  background: transparent;
}

.tile .coordinate {
  position: absolute;
  bottom: 4px;
  right: 4px;
  font-size: 0.5rem;
  opacity: 0.3;
}

.character {
  width: 70%;
  height: 70%;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #0f172a;
  text-transform: uppercase;
}

.character[data-kind="RED"] {
  background: linear-gradient(135deg, #f43f5e, #fb7185);
}

.character[data-kind="ORANGE"] {
  background: linear-gradient(135deg, #fb923c, #f59e0b);
}

.character[data-kind="YELLOW"] {
  background: linear-gradient(135deg, #facc15, #fbbf24);
}
.character[data-kind="LIGHT_GREEN"] {
  background: linear-gradient(135deg, #86efac, #4ade80);
}
.character[data-kind="DARK_GREEN"] {
  background: linear-gradient(135deg, #34d399, #15803d);
}
.character[data-kind="LIGHT_BLUE"] {
  background: linear-gradient(135deg, #93c5fd, #60a5fa);
}

.character.stunned::after {
  content: "⚡";
  position: absolute;
  top: -6px;
  right: -6px;
  font-size: 0.8rem;
}

.item {
  width: 60%;
  height: 60%;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #0f172a;
}

.item.fire {
  background: linear-gradient(135deg, #f97316, #dc2626);
  box-shadow: 0 0 12px rgba(248, 113, 113, 0.6);
}

.item.banana {
  background: linear-gradient(135deg, #fde047, #facc15);
  box-shadow: 0 0 12px rgba(250, 204, 21, 0.6);
}
.item.grass {
  background: linear-gradient(135deg, #bbf7d0, #4ade80);
  box-shadow: 0 0 12px rgba(74, 222, 128, 0.5);
}
.item.tree {
  background: linear-gradient(135deg, #4ade80, #166534);
  box-shadow: 0 0 12px rgba(22, 101, 52, 0.6);
  color: #f8fafc;
}

.path-preview {
  position: absolute;
  inset: 0;
  border-radius: 6px;
  pointer-events: none;
}

.path-preview.legal {
  background: var(--path-legal);
}

.path-preview.lethal {
  background: var(--path-lethal);
}

.path-preview.stop {
  background: var(--path-stop);
}

.path-preview.selected {
  outline: 2px solid rgba(255, 255, 255, 0.6);
}

.controls button,
.controls select,
.controls input,
.action-buttons button {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: rgba(96, 165, 250, 0.15);
  color: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.board-dimension-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.board-dimension-controls label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

.board-dimension-controls input[type="number"] {
  min-width: 96px;
}

.player-config-list {
  display: grid;
  gap: 12px;
}

.player-config-card {
  gap: 12px;
}

.player-config-card input[type="text"],
.player-config-card input[type="color"] {
  width: 100%;
}

.player-config-card input[type="color"] {
  height: 44px;
  padding: 0;
}

.character-select-label {
  font-size: 0.85rem;
  opacity: 0.7;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.character-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.character-tile {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  gap: 12px;
  border-radius: 12px;
  padding: 12px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: inherit;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.character-tile img {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  object-fit: cover;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.character-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.character-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.character-summary {
  font-size: 0.8rem;
  line-height: 1.3;
  opacity: 0.8;
}

.character-tile:hover {
  border-color: rgba(96, 165, 250, 0.6);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.5);
  transform: translateY(-2px);
}

.character-tile.selected {
  border-color: rgba(74, 222, 128, 0.8);
  box-shadow: 0 0 0 2px rgba(74, 222, 128, 0.5);
}

.controls button:hover,
.action-buttons button:hover {
  background: rgba(96, 165, 250, 0.3);
}

.controls button:disabled,
.action-buttons button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  font-size: 0.95rem;
}

.token {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.highlight-current {
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.5);
}

.player-panel {
  gap: 24px;
}

.player-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.player-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.2);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.player-card.current {
  border-color: rgba(96, 165, 250, 0.8);
  box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.35);
}

.player-card.eliminated {
  opacity: 0.6;
}

.player-avatar {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(148, 163, 184, 0.2);
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: #f8fafc;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.player-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
}

.player-avatar span {
  opacity: 0.85;
}

.player-card.eliminated .player-avatar {
  filter: grayscale(0.3);
}

.player-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.player-name {
  font-weight: 600;
  font-size: 1rem;
}

.player-status {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

.player-empty {
  opacity: 0.7;
  font-size: 0.9rem;
}

.turn-heading .player-avatar {
  width: 64px;
  height: 64px;
}

.turn-heading .player-avatar img {
  padding: 6px;
}

.turn-heading .player-avatar span {
  font-size: 1.2rem;
}

@media (max-width: 960px) {
  main,
  main.game-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .turn-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .turn-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .return-button {
    width: 100%;
    text-align: center;
  }

  .player-card {
    flex-wrap: wrap;
  }
}