:root{--ink:#1b1a17;--muted:#8a857b;--line:rgba(27,26,23,.10);--accent:#8f7fb8;--paper:#fbfaf7;--body:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}[hidden]{display:none!important}
html,body{margin:0;min-height:100%;background:var(--paper);color:var(--ink);font:14px/1.6 var(--body);-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,canvas:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.app{display:grid;grid-template-columns:minmax(0,1fr) 360px;height:100vh;height:100dvh}
.stage{position:relative;overflow:hidden;min-height:0;background:#ece7f2}
#cv{display:block;width:100%;height:100%;touch-action:none;cursor:grab}#cv:active{cursor:grabbing}#cv.hot{cursor:pointer}
.loading{position:absolute;inset:0;display:grid;place-items:center;font-size:13px;color:var(--muted);pointer-events:none}
.keypad{position:absolute;right:22px;bottom:22px;display:flex;flex-direction:column;gap:12px;z-index:2;width:64px}
.rocker{overflow:hidden;border:1px solid rgba(255,255,255,.8);border-radius:18px;box-shadow:0 5px 15px rgba(40,30,60,.1);background:#fff}
.pk{display:grid;place-items:center;appearance:none;border:0;width:64px;height:48px;background:rgba(255,255,255,.95);font-size:15px;font-weight:700;touch-action:none;user-select:none;-webkit-user-select:none;transition:background .12s,transform .12s}
.rocker .pk{width:100%}.rocker .pk+.pk{border-top:1px solid var(--line)}.pk.confirm{height:52px;border:1px solid rgba(255,255,255,.8);border-radius:16px;box-shadow:0 5px 15px rgba(40,30,60,.1)}.pk.down{background:#e0d7ee;transform:scale(.97)}
.panel{background:white;border-left:1px solid var(--line);overflow:auto;min-height:0}.panel header{padding:28px 24px 24px;border-bottom:1px solid var(--line)}h1{margin:0;font-size:23px;font-weight:800;letter-spacing:-.02em}
.panel-body{display:flex;flex-direction:column;gap:28px;padding:24px}h2{margin:0 0 12px;font-size:14px;font-weight:750}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.section-heading h2{margin:0}
.game-card{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:12px;background:#fbfaf7;text-align:left}.game-card strong{font-size:14px}.game-card[aria-current="true"]{border-color:#b5a4cd;background:#f5f1fa}.play-arrow{font-size:17px;color:var(--muted)}
.import-actions,.runtime-actions{display:flex;gap:8px}.import-actions button,.runtime-actions button{appearance:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 8px;flex:1;font-size:12px;font-weight:650}.import-actions button:first-child{border-color:var(--ink);background:var(--ink);color:#fff}
.state-tag{font-size:11px;padding:3px 8px;border-radius:6px;background:#f4f1ec;color:#625c53}#run-position{font-size:12px;line-height:1.9;margin:0 0 14px;white-space:pre-line;overflow-wrap:anywhere;color:#5c574f}
#import-status,#run-feedback{font-size:12px;line-height:1.7;color:#625c53;margin:10px 0 0;overflow-wrap:anywhere}#import-status:empty,#run-feedback:empty{display:none}#import-status[data-error="true"]{color:#a73122}
.import-limit{font-size:11px;line-height:1.6;color:#777168;margin:8px 0 0}
#runtime-diagnostics{margin-top:16px;font-size:12px;color:#625c53}summary{cursor:pointer}#diagnostics{padding-left:18px;line-height:1.75;max-height:220px;overflow:auto;overflow-wrap:anywhere}
.fallback-screens{position:absolute;inset:20px 105px 20px 20px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px}.fallback-screens canvas{display:block;max-width:100%;height:auto}.fallback-screens #eink-preview{max-height:calc(100% - 80px);width:auto;object-fit:contain}.fallback-screens #oled-preview{max-width:256px;width:100%;background:black}
@media(max-width:850px){.app{grid-template-columns:1fr;grid-template-rows:65vh auto;height:auto;min-height:100dvh}.panel{border-left:0;border-top:1px solid var(--line);overflow:visible}.panel header{padding:22px 22px 18px}.panel-body{padding:22px;gap:24px}.keypad{right:14px;bottom:18px;width:58px;gap:10px}.pk{width:58px;height:44px}.pk.confirm{height:48px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important}}