/* Snake page. The LCD keeps its own colors in both site themes. */

.snake-layout { display: grid; gap: 2rem; align-items: start; }
@media (min-width: 900px) { .snake-layout { grid-template-columns: minmax(0, 560px) minmax(0, 1fr); gap: 3rem; } }

.snake-device {
  padding: clamp(14px, 3vw, 24px);
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(160deg, var(--surface), var(--bg-alt));
  box-shadow: 0 20px 40px -24px rgba(0, 0, 0, 0.5);
}

.snake-screen {
  position: relative;
  padding: 8px;
  border-radius: 10px;
  background: #b9c78f;
  box-shadow: inset 0 0 0 3px #8e9c68, inset 0 6px 14px rgba(0, 0, 0, 0.25);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
}
.snake-screen canvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
}

.snake-overlay {
  position: absolute; inset: 8px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.5rem; padding: 1rem; text-align: center;
  background: rgba(185, 199, 143, 0.88);
  color: #232b16;
  font-family: var(--font-mono);
}
.snake-overlay[hidden] { display: none; }
.snake-overlay p { margin: 0; }
.snake-overlay-title { font-size: clamp(1.4rem, 5vw, 2.2rem); font-weight: 800; letter-spacing: 0.15em; }
.snake-overlay-text { font-size: clamp(0.8rem, 2.4vw, 0.95rem); white-space: pre-line; }

/* Keypad-style d-pad */
.snake-pad {
  display: grid;
  grid-template-columns: repeat(3, 64px);
  grid-template-rows: repeat(3, 52px);
  grid-template-areas: ". up ." "left ok right" ". down .";
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
}
.pad-up { grid-area: up; }
.pad-left { grid-area: left; }
.pad-ok { grid-area: ok; }
.pad-right { grid-area: right; }
.pad-down { grid-area: down; }
.pad-btn {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
  color: var(--text);
  font: 600 1.1rem var(--font-mono);
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  box-shadow: 0 3px 0 var(--border);
  transition: transform 0.05s, box-shadow 0.05s;
}
.pad-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--border); }
.pad-ok { color: var(--accent); border-color: var(--accent); }

/* Side panel */
.snake-panel { display: grid; gap: 1rem; }
.snake-setting { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.snake-stepper { display: flex; align-items: center; gap: 0.75rem; }
.snake-stepper output { min-width: 1.5ch; text-align: center; font-size: 1.2rem; color: var(--text); }
.snake-toggles { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.snake-best { margin: 0; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.snake-keys { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1rem; margin: 0 0 1rem; font-size: 0.95rem; }
.snake-keys dt { white-space: nowrap; }
.snake-keys dd { margin: 0; color: var(--muted); }

kbd {
  display: inline-block; min-width: 1.6em; padding: 0.05em 0.4em; margin-right: 0.2em;
  border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px;
  background: var(--bg); color: var(--text);
  font: 0.8rem/1.5 var(--font-mono); text-align: center;
}