@font-face {
  font-family: 'ArkPixel';
  src: url('../fonts/ark-pixel-12px-zh_hans.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body,
#app {
  width: 100%;
  height: 100%;
  background: #0d0f18;
  overflow: hidden;
  font-family: 'ArkPixel', ui-monospace, 'Cascadia Code', Consolas, monospace;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: unset;
  font-smooth: never;
}

#app {
  display: block;
  position: relative;
}

/*
 * Centered phone-portrait panel. Width/height/left/top set by JS (applyFrameBox).
 * Letterboxing uses #app background. Canvas CSS size == logical panel (no object-fit stretch).
 */
#game-frame {
  position: absolute;
  left: 0;
  top: 0;
  overflow: hidden;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#game-frame canvas {
  display: block;
  /* Do NOT force width/height:100% or object-fit - that desyncs hits from pixels */
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
}

/* Site chrome: HTML menus over Pixi canvas */
.screen{position:fixed;inset:0;z-index:20;display:none;align-items:flex-end;justify-content:center;
  padding:calc(12px + env(safe-area-inset-top,0px)) 12px calc(18px + env(safe-area-inset-bottom,0px));
  pointer-events:none;background:transparent}
.screen.show{display:flex}
.screen[hidden]{display:none !important}
.site-panel{pointer-events:auto;width:min(360px,94vw);max-height:min(70vh,520px);overflow:auto;
  background:rgba(18,20,36,.94);border:2px solid #3d4466;border-radius:8px;padding:14px 14px 12px;
  color:#e8eaf4;text-align:center;box-shadow:0 8px 28px rgba(0,0,0,.45)}
.site-panel h1,.site-panel h2{font-size:20px;color:#f0c45c;margin:0 0 6px}
.site-panel h1{font-size:22px}
.site-panel .tag,.site-panel .tip{font-size:11px;color:#9aa3c7;margin:0 0 10px;line-height:1.4}
.site-panel .menu{display:flex;flex-direction:column;gap:8px;align-items:stretch}
.site-panel .btnrow{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.site-panel .btn{appearance:none;border:2px solid #4a5278;background:#2a3150;color:#e8eaf4;
  font:inherit;font-size:13px;padding:8px 12px;border-radius:6px;cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;min-height:36px}
.site-panel .btn.big{background:#3d9a6a;border-color:#56c48a;font-weight:bold}
.site-panel .btn.ghost{background:transparent}
.site-panel .btn:focus,.site-panel .btn.game-room-focused{outline:2px solid #f0c45c;outline-offset:2px}
.site-panel .result{display:grid;gap:4px;margin:8px 0 12px;font-size:13px}
.site-panel .kv{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #2e3555;padding:4px 0}
.site-panel .kv b{color:#f0c45c}
#game-room-pause{position:fixed;top:calc(8px + env(safe-area-inset-top,0px));right:calc(8px + env(safe-area-inset-right,0px));
  z-index:30;font:inherit;font-size:12px;padding:6px 10px;border-radius:6px;border:2px solid #4a5278;
  background:rgba(18,20,36,.9);color:#e8eaf4}
.board-panel{position:fixed;inset:0;z-index:40;display:flex;align-items:center;justify-content:center;
  padding:calc(12px + env(safe-area-inset-top,0px)) 12px calc(12px + env(safe-area-inset-bottom,0px));
  background:rgba(4,6,12,.82)}
.board-panel[hidden]{display:none !important}
.board-list{list-style:none;margin:0 0 8px;padding:0;max-height:34vh;overflow:auto;text-align:left}
.board-list li{display:grid;grid-template-columns:2.2em 1fr auto;gap:4px 8px;padding:6px 0;border-bottom:1px solid #2e3555;font-size:12px}
.board-extra{grid-column:1 / -1;color:#9aa3c7;font-size:11px}
.board-msg{min-height:1.2em;font-size:12px;color:#f0c45c}
.board-form{display:none;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;margin:8px 0}
.board-panel.with-submit .board-form{display:flex}
.board-label{font-size:11px;color:#9aa3c7}
#board-name{width:9em;padding:6px 8px;font:inherit;color:#e8eaf4;background:#0c1220;border:2px solid #3d4466}
#board-sub{font-size:11px;color:#9aa3c7;letter-spacing:0}
a.hall-return{text-decoration:none}