:root{color-scheme:dark;font-family:Inter,Microsoft YaHei,Segoe UI,sans-serif;font-synthesis:none;background:#0e1218;color:#edf2f7;letter-spacing:0}*{box-sizing:border-box}html,body,#app{min-width:320px;min-height:100%;margin:0}body{min-height:100vh;background:#0e1218}button{font:inherit;color:inherit;letter-spacing:0}.app-frame{min-height:100vh}.app-frame.has-game{height:100vh;overflow:hidden}.app-frame.has-game .workspace{height:100%;min-height:0}.workspace{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr);place-items:center}.controls{width:100%;max-width:500px;padding:28px 32px}.file-selector{width:100%;height:52px;display:flex;align-items:center;gap:12px;border:1px solid #323a46;border-radius:6px;padding:0 15px;background:#121720;text-align:left;cursor:pointer;margin-top:0}.file-selector:hover{border-color:#526277;background:#171e29}.file-selector strong{min-width:0;overflow:hidden;color:#f1f5f9;font-size:13px;font-weight:650;text-overflow:ellipsis;white-space:nowrap}.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.button{height:44px;min-width:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:0 14px;font-size:13px;font-weight:650;cursor:pointer;white-space:nowrap}.button.primary{background:#2f8bff;color:#fff}.button.primary:hover{background:#60a5fa}.button.secondary{border-color:#364150;background:#1a2029;color:#e4eaf1}.button.secondary:hover{background:#232b36;border-color:#526277}button:disabled{opacity:.48;cursor:wait}.preload-message{min-height:18px;margin:14px 0 0;display:flex;align-items:center;justify-content:center;gap:7px;font-size:12px;line-height:1.5;overflow-wrap:anywhere}.preload-message svg{flex:0 0 auto}.preload-message.success{color:#60a5fa}.preload-message.error{color:#f07e78}.error-message{margin:14px 0 0;color:#f07e78;font-size:12px;line-height:1.5;overflow-wrap:anywhere}.instructions{margin:22px 0 0;padding:16px 16px 16px 40px;border-top:1px solid #242b35;color:#929ba7;font-size:12px;line-height:1.9}.instructions li::marker{color:#2f8bff;font-weight:700}.hidden-input,.preload-frame{position:fixed;width:1px;height:1px;opacity:0;pointer-events:none;overflow:hidden}.game-area{position:relative;width:100%;height:100vh;min-width:0;display:grid;place-items:center;overflow:hidden;background:#0b0f15}.game-area iframe{width:min(100vw,56.25vh);height:min(100vh,177.7778vw);border:0;background:#111;aspect-ratio:9 / 16}.close-game{position:absolute;z-index:2;top:14px;left:14px;width:40px;height:40px;display:grid;place-items:center;border:1px solid #35404d;border-radius:6px;background:#171d26;cursor:pointer}.spin{animation:spin .85s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:820px){.game-area{width:100%}}@media(max-width:520px){.controls{padding:24px 16px}}@supports (height: 100dvh){.app-frame.has-game,.game-area{height:100dvh}.game-area iframe{width:min(100vw,56.25dvh);height:min(100dvh,177.7778vw)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation-duration:.01ms!important}}