:root {
  --bg: #f3ebdc;
  --ink: #202531;
  --panel: #fffaf0;
  --line: #d2c3a5;
  --light: #f0d9b5;
  --dark: #b58863;
  --accent: #0ea5e9;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; font-family: "Trebuchet MS", "Segoe UI", sans-serif; background: linear-gradient(135deg, #fff8e8, #f3ebdc 55%, #e9dcc7); color: var(--ink); }
.shell { width: min(1080px, 100%); margin: 0 auto; padding: 14px; }
.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.top h1 { margin: 0; font-size: clamp(1.45rem, 3vw, 2.2rem); letter-spacing: 0; }
.top p { margin: 4px 0 0; color: #5b6675; }
button { border: 0; border-radius: 8px; padding: 9px 14px; color: #fff; font-weight: 800; cursor: pointer; min-height: 40px; }
#restartBtn { background: linear-gradient(135deg, #0ea5e9, #0284c7); white-space: nowrap; }
.hud { margin: 12px 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.chip { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; }
.layout { display: grid; grid-template-columns: minmax(300px, 560px) 1fr; gap: 14px; align-items: start; }
.stage-shell { width: min(560px, calc(100vw - 28px)); aspect-ratio: 1; border: 2px solid #93714f; border-radius: 8px; overflow: hidden; background: #b58863; box-shadow: 0 18px 44px rgba(70, 50, 25, 0.22); }
#game-stage, #game-stage canvas { width: 100%; height: 100%; display: block; }
.panel { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 12px; }
.panel h2, .panel h3 { margin: 0 0 8px; }
.panel p { margin: 0 0 8px; color: #465264; }
.small { font-size: 0.9rem; }
.reward-box { margin: 12px 0 14px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255, 250, 240, 0.88); }
#rewardBtn { background: linear-gradient(135deg, #f59e0b, #f97316); }
#rewardBtn:disabled { opacity: 0.55; cursor: not-allowed; }
.reward-note { margin: 8px 0 0; color: #5b6675; font-size: 0.92rem; }
#moves { margin: 0; max-height: 370px; overflow: auto; padding-left: 20px; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .stage-shell { margin: 0 auto; } }
@media (max-width: 520px) { .top { display: grid; } .hud { grid-template-columns: 1fr; } }