:root{color-scheme:dark;--bg:#060d16;--ink:#e1edf1;--muted:#aabfc9;--line:#304652;--accent:#a5d8d5;--panel:#101d28}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}main{max-width:1320px;margin:auto;padding:24px 5vw 40px}header{display:flex;justify-content:space-between;align-items:center;gap:20px}a{color:var(--muted);text-underline-offset:5px}header a{font-size:13px}button,input{font:inherit}button{cursor:pointer;min-height:46px;padding:10px 20px;border:1px solid var(--line);border-radius:24px;background:transparent;color:var(--ink)}button:hover{background:#1a303a;border-color:#6e989d}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#102229}.primary:hover{background:#c6ece8}.text-button{border:0;border-radius:0;padding:10px 0;color:var(--muted)}.text-button:hover{background:transparent;color:var(--ink);text-decoration:underline;text-underline-offset:6px}a:focus-visible,button:focus-visible,input:focus-visible,#stage:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{background:#34646c;color:white}*{scrollbar-color:#45626f var(--bg);scrollbar-width:thin}[hidden]{display:none!important}h1,h2,legend{font-family:"Songti SC","Noto Serif SC",serif;font-weight:400}#quiz{max-width:740px;margin:clamp(40px,9vh,100px) auto 0}.question-meta{display:flex;align-items:baseline;justify-content:space-between;gap:16px;color:var(--muted);font-size:13px}.question-meta p{margin:0}#step{font-variant-numeric:tabular-nums;white-space:nowrap}fieldset{border:0;padding:0;margin:30px 0 0;min-width:0}legend{font-size:clamp(27px,3.2vw,40px);line-height:1.6;white-space:pre-line;padding:0;margin-bottom:28px;outline:none}#options{display:grid;gap:10px}.option{display:flex;align-items:center;gap:16px;padding:14px 20px;min-height:58px;border:1px solid var(--line);border-radius:12px;cursor:pointer;background:var(--panel)}.option:hover{border-color:#6e989d}.option:has(input:checked){border-color:var(--accent);background:#1d3942}.option:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:4px}.option input{accent-color:var(--accent);width:18px;height:18px;margin:0;flex-shrink:0}.question-actions{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:28px}.question-actions .primary{min-width:144px}#quiz-status,#save-status,#render-status{font-size:13px;color:var(--muted);min-height:24px;margin:16px 0}.footnote{font-size:12px;color:var(--muted);line-height:1.9;margin-top:28px}#saved-panel{max-width:740px;margin:32px auto;padding-bottom:26px;border-bottom:1px solid var(--line)}#saved-panel h2{margin-bottom:6px}#saved-panel p{font-size:13px;color:var(--muted)}#saved-list{display:grid;gap:8px}#saved-list button{text-align:left;border-radius:8px;overflow-wrap:anywhere}.result-heading{text-align:center;margin:32px auto 0}.result-heading h1{font-size:clamp(30px,4vw,46px);line-height:1.4;margin:0;overflow-wrap:anywhere}.result-heading p{font-size:13px;color:var(--muted);margin:12px 0 0}#stage{height:min(65vh,680px);min-height:380px;position:relative;touch-action:none;overflow:hidden}#stage canvas{display:block;width:100%;height:100%}#result #render-status{text-align:center;margin:0 auto 10px}#retry{display:block;margin:12px auto}.view-controls{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.view-controls button{font-size:13px}.view-controls button[aria-pressed=true]{background:#1d3942;border-color:#6e989d}#save-form{max-width:780px;margin:36px auto 0}#save-form>label{display:block;font-size:14px;margin-bottom:10px}.save-row{display:flex;gap:10px}input[type=text],#planet-title,#share-link{min-width:0;min-height:46px;border:1px solid var(--line);border-radius:8px;padding:10px 14px;color:var(--ink);background:var(--panel);caret-color:var(--accent)}#planet-title{flex:1;width:100%}input::placeholder{color:var(--muted)}.save-row button{white-space:nowrap;font-size:13px}#save-status,#copy-fallback{max-width:780px;margin:12px auto}#copy-fallback label{font-size:13px}#share-link{display:block;width:100%;margin-top:8px}#result .footnote{text-align:center}.end-actions{display:flex;justify-content:center;gap:32px;margin:24px 0 0}@media(max-width:600px){main{padding:16px 20px 30px}#quiz{margin-top:38px}.question-meta{display:block}.question-meta p+p{margin-top:6px}fieldset{margin-top:22px}legend{font-size:28px;margin-bottom:24px}.option{padding:12px 16px;min-height:56px;font-size:15px}.question-actions{margin-top:24px}.footnote{margin-top:22px}#stage{height:440px;min-height:340px;margin-inline:-14px}.result-heading{margin-top:30px}.result-heading h1{font-size:32px}.view-controls{gap:8px}.view-controls button{padding:8px 14px}.save-row{flex-wrap:wrap}#planet-title{flex-basis:100%}.save-row button{flex:1}#result .footnote{text-align:left}.result-heading p{max-width:24em;margin-inline:auto}}

body{isolation:isolate}.galaxy-background{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;contain:strict}.galaxy-background canvas{width:100%;height:100%;display:block}#archive-status{max-width:780px;margin:10px auto;color:var(--muted);font-size:13px;overflow-wrap:anywhere}#saved-panel{background:#090f20e8;padding:20px;border-radius:12px}

header a{display:inline-flex;align-items:center;min-height:44px;padding:8px 0;font-size:14px}.footnote{font-size:14px}.question-meta{font-size:14px}header{flex-wrap:wrap}#saved-panel a{display:inline-flex;align-items:center;min-height:44px}