:root{--bg:#0f1117;--bg2:#151925;--panel:#1b2030;--panel2:#222839;--text:#e9ecf3;--muted:#a6adbd;--line:#2e3548;--accent:#82a8ff;--accent2:#b18cff;--accent-ink:#0b1020;--good:#7ccf8a;--bad:#f2877e;--bad-ink:#2a0b08;--focus:#ffd479;--r:16px;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25)}@media (prefers-color-scheme:light){:root{--bg:#f4f6fb;--bg2:#eaeef7;--panel:#fff;--panel2:#f7f8fc;--text:#161a23;--muted:#505868;--line:#d6dbe6;--accent:#2f5fd0;--accent2:#7a3fd1;--accent-ink:#fff;--good:#1d7a35;--bad:#b3261e;--bad-ink:#fff;--focus:#a15c00;--shadow:0 1px 2px rgba(20,30,60,.06),0 8px 24px rgba(20,30,60,.08)}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;min-width:320px;min-height:100vh;color:var(--text);font:17px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);background-image:radial-gradient(1200px 500px at 50% 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label{margin:0;font-weight:550;cursor:pointer}.reverse:focus-within{border-color:var(--accent)}#study-progress{height:10px}#study-counts{margin:0 0 12px}@media (forced-colors:active){.progress{border:1px solid CanvasText}.progress span{background:Highlight}}.btn,button,input,textarea{border-color:var(--muted)}button:disabled:hover{border-color:var(--muted)}.primary,.primary:hover{border-color:transparent}.danger-solid{border-color:var(--bad)}.good{border-color:var(--good)}.bad{border-color:var(--bad)}.field-error{color:var(--bad);font-weight:600;margin:4px 0 0}.card,.deck-name,.dlg-msg,.dlg-title,.item,.panel,.qa,h1,h2,h3,label{overflow-wrap:anywhere;word-break:normal;min-width:0}.actions>*,.grade>*,.list>li,.row>*{min-width:0}.m0{margin:0}.mt0{margin-top:0}.mt4{margin:4px 0 0}.mt6{margin:6px 0 0}.strong{font-weight:600}[hidden]{display:none!important}.quiz-q{padding:22px 20px;border-radius:18px;background:var(--panel);border:1px solid var(--line);border-top:4px solid 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a{color:var(--text);font-weight:600;text-decoration:underline;text-underline-offset:3px}.credit a:hover{color:var(--accent)}.credit a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}