:root {
  --bg-start: #fff5c8;
  --bg-end: #d5ec9d;
  --card: #fffef6;
  --card-border: #d8d5b8;
  --text-main: #2f2f25;
  --text-soft: #5a5a49;
  --primary: #74a12f;
  --primary-strong: #5f8b20;
  --chip-bg: #edf7d0;
  --chip-border: #c7de8d;
  --danger: #d75231;
  --shadow: 0 14px 28px rgba(41, 55, 28, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text-main);
  background: linear-gradient(145deg, var(--bg-start) 0%, var(--bg-end) 100%);
  overflow-x: hidden;
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 15% 18%, rgba(255, 255, 255, 0.5) 0 70px, transparent 71px),
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.45) 0 55px, transparent 56px),
    radial-gradient(circle at 22% 82%, rgba(255, 255, 255, 0.38) 0 60px, transparent 61px);
}

.hero {
  position: relative;
  z-index: 1;
  padding: 2.2rem 1.25rem 1rem;
  text-align: center;
  animation: rise-in 420ms ease-out both;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--text-soft);
}

h1 {
  margin: 0.35rem 0 0.5rem;
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
}

.subtitle {
  margin: 0 auto;
  max-width: 700px;
  color: var(--text-soft);
}

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 370px) minmax(320px, 1fr);
  gap: 1rem;
  padding: 0.9rem 1rem 1.2rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1rem;
  animation: rise-in 520ms ease both;
}

.setup-panel h2,
.game-panel h2 {
  margin: 0;
}

.panel-intro {
  margin: 0.5rem 0 1rem;
  color: var(--text-soft);
}

.field {
  margin-bottom: 1rem;
}

.field-label {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-weight: 700;
  color: #3f4c2f;
}

.option-grid {
  display: grid;
  gap: 0.45rem;
}

.option-btn {
  width: 100%;
  border: 1px solid #ccd8af;
  background: #f8fbe8;
  color: #435232;
  border-radius: 12px;
  padding: 0.56rem 0.72rem;
  text-align: left;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.option-btn:hover {
  transform: translateY(-1px);
  border-color: #9db96b;
}

.option-btn.active {
  background: #e7f6bf;
  border-color: #86aa3f;
  font-weight: 700;
}

.primary-btn,
.ghost-btn,
.touch-btn {
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 0.62rem 0.85rem;
  cursor: pointer;
  font-weight: 700;
  transition: transform 120ms ease, filter 120ms ease;
}

.primary-btn {
  width: 100%;
  background: linear-gradient(180deg, #86b941 0%, var(--primary) 100%);
  color: #fff;
  border-color: #628c25;
}

.primary-btn:hover,
.ghost-btn:hover,
.touch-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.ghost-btn {
  background: #f8fbe8;
  border-color: #c8d7a8;
  color: #3f4d30;
}

.legend-block {
  margin-top: 0.95rem;
  border-top: 1px dashed #d6dfba;
  padding-top: 0.7rem;
}

.legend-block h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
}

.legend-block p {
  margin: 0.2rem 0;
  color: var(--text-soft);
}

.legend-block.muted {
  opacity: 0.9;
}

.game-panel {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.hud {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.65rem;
  align-items: center;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  font-size: 0.82rem;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
}

.score-box {
  font-size: 1.05rem;
  font-weight: 700;
}

.board-wrapper {
  position: relative;
  min-height: 320px;
  border-radius: 16px;
  background: linear-gradient(180deg, #eef7d5 0%, #dbeab6 100%);
  border: 1px solid #cfdfab;
  display: grid;
  place-items: center;
  overflow: hidden;
}

#game-canvas {
  display: block;
  max-width: 100%;
  border-radius: 12px;
  animation: board-pop 300ms ease-out;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(33, 47, 24, 0.58);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
}

.overlay > * {
  max-width: 440px;
}

.overlay h3 {
  margin: 0;
  color: #fff;
  font-size: 1.45rem;
}

.overlay p {
  margin: 0.55rem 0 1rem;
  color: #f5ffd7;
}

.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.hidden {
  display: none;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.actions .ghost-btn {
  flex: 1;
  min-width: 110px;
}

.touch-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(58px, 72px));
  grid-template-areas:
    ". up ."
    "left down right";
  justify-content: center;
  gap: 0.46rem;
}

.touch-btn {
  background: #f8fbe8;
  border-color: #b9cc8f;
  color: #425230;
  font-size: 1.1rem;
  min-height: 54px;
}

.touch-btn.up {
  grid-area: up;
}

.touch-btn.left {
  grid-area: left;
}

.touch-btn.down {
  grid-area: down;
}

.touch-btn.right {
  grid-area: right;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes board-pop {
  from {
    transform: scale(0.98);
    opacity: 0.84;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .setup-panel {
    order: 2;
  }

  .game-panel {
    order: 1;
  }
}