@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/a6c19694cd327cd4-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/851c4691abdf3def-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/a8a8dd7277bab4cf-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/313510e2713fb214-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/a6c19694cd327cd4-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/851c4691abdf3def-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/a8a8dd7277bab4cf-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/313510e2713fb214-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/a6c19694cd327cd4-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/851c4691abdf3def-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/a8a8dd7277bab4cf-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/313510e2713fb214-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/a6c19694cd327cd4-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/851c4691abdf3def-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/a8a8dd7277bab4cf-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/313510e2713fb214-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/a6c19694cd327cd4-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/851c4691abdf3def-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/a8a8dd7277bab4cf-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/313510e2713fb214-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Hanken Grotesk Fallback;src:local("Arial");ascent-override:99.07%;descent-override:30.02%;line-gap-override:0.00%;size-adjust:100.94%}.__className_6c0d1d{font-family:Hanken Grotesk,Hanken Grotesk Fallback;font-style:normal}.__variable_6c0d1d{--font-sans:"Hanken Grotesk","Hanken Grotesk Fallback"}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/59829bb575d36b50-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/e02f7a71372872a3-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/59829bb575d36b50-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/e02f7a71372872a3-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/59829bb575d36b50-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/e02f7a71372872a3-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Spline Sans Mono Fallback;src:local("Arial");ascent-override:71.59%;descent-override:17.57%;line-gap-override:0.00%;size-adjust:134.59%}.__className_49c017{font-family:Spline Sans Mono,Spline Sans Mono Fallback;font-style:normal}.__variable_49c017{--font-mono:"Spline Sans Mono","Spline Sans Mono Fallback"}:root{--bg:#f5f2ec;--bg-2:#efeae1;--panel:#ffffff;--panel-2:#fbfaf6;--ink:#1b1a17;--ink-2:#423e37;--muted:#7a746a;--muted-2:#a6a094;--line:rgba(27,26,23,0.11);--line-2:rgba(27,26,23,0.06);--gold:#9a7b3f;--gold-2:#b8934c;--gold-tint:rgba(154,123,63,0.10);--green:#2e7d5b;--red:#b4453c;--radius:14px;--radius-sm:10px;--sans:var(--font-sans),-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:var(--font-mono),ui-monospace,"SFMono-Regular",Menlo,monospace;--ease:cubic-bezier(0.4,0,0.2,1);--ease-out:cubic-bezier(0.16,1,0.3,1);--shadow-sm:0 1px 2px rgba(27,26,23,0.05),0 1px 1px rgba(27,26,23,0.03);--shadow:0 1px 3px rgba(27,26,23,0.05),0 14px 32px -18px rgba(27,26,23,0.22)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--sans);color:var(--ink);background:var(--bg);background-image:radial-gradient(900px 500px at 88% -10%,rgba(154,123,63,.06),transparent 60%),linear-gradient(180deg,#f7f4ee 0,var(--bg) 46%,var(--bg-2) 100%);background-attachment:fixed;min-height:100vh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body:before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.028;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");mix-blend-mode:multiply}.wrap{position:relative;z-index:1;max-width:1160px;margin:0 auto;padding:0 26px 100px}.mono{font-family:var(--mono)}.site-head{display:flex;align-items:center;justify-content:space-between;padding:26px 0 22px;border-bottom:1px solid var(--line-2)}.brand{display:flex;align-items:baseline;gap:13px}.brand .mark{font-weight:800;font-size:22px;letter-spacing:-.03em;color:var(--ink)}.brand .mark .dot{color:var(--gold)}.brand .tag{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted-2)}.brand .tag,.status{font-family:var(--mono)}.status{font-size:11px;letter-spacing:.04em;color:var(--muted);display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow-sm)}.status b{color:var(--ink);font-weight:600}.head-right{display:flex;align-items:center;gap:12px}.btn-sm{padding:8px 14px;font-size:13px}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px var(--gold-tint)}.hero{padding:76px 0 34px;max-width:720px;animation:rise .7s var(--ease-out) both}.kicker{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);display:inline-block;margin-bottom:20px}.hero h1{font-weight:800;font-size:clamp(36px,6vw,60px);line-height:1.02;letter-spacing:-.035em;margin:0 0 20px;color:var(--ink)}.hero h1 em{font-style:normal;color:var(--gold)}.hero p{font-size:17.5px;line-height:1.6;color:var(--ink-2);margin:0;max-width:540px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.uploader{padding:22px;margin-top:34px;max-width:720px;animation:rise .7s .08s var(--ease-out) both}.uploader textarea{width:100%;min-height:146px;resize:vertical;background:var(--panel-2);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius-sm);padding:15px 16px;font-family:var(--sans);font-size:14.5px;line-height:1.6;outline:none;transition:border-color .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease)}.uploader textarea:focus{border-color:var(--gold);background:var(--panel);box-shadow:0 0 0 3px var(--gold-tint)}.uploader textarea::placeholder{color:var(--muted-2)}.divider{display:flex;align-items:center;gap:14px;margin:16px 2px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2)}.divider:after,.divider:before{content:"";flex:1 1;height:1px;background:var(--line-2)}.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;text-align:center;cursor:pointer;border:1.5px dashed var(--line);border-radius:var(--radius-sm);background:var(--panel-2);padding:26px 20px;min-height:126px;transition:border-color .16s var(--ease),background .16s var(--ease),box-shadow .16s var(--ease),transform .16s var(--ease)}.drop:hover{background:#fdfbf6}.drop.drag,.drop:hover{border-color:var(--gold)}.drop.drag{border-style:solid;background:var(--gold-tint);box-shadow:0 0 0 4px var(--gold-tint);transform:translateY(-1px)}.drop-icon{width:40px;height:40px;display:grid;place-items:center;margin-bottom:3px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--gold);font-size:17px;box-shadow:var(--shadow-sm)}.drop-main{font-size:14.5px;font-weight:600;color:var(--ink)}.drop-sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}.drop-note{margin-top:8px;font-size:11.5px;line-height:1.4;color:var(--muted);max-width:340px}.file-tag{margin-top:8px;font-family:var(--mono);font-size:12px;color:var(--gold);display:inline-flex;align-items:center;gap:7px;max-width:100%}.file-tag:before{content:"✓"}.file-list{display:flex;flex-direction:column;gap:7px;margin-top:14px}.file-chip{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:var(--panel-2)}.fc-name{font-size:13.5px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis}.fc-meta,.fc-name{white-space:nowrap}.fc-meta{flex:1 1;font-family:var(--mono);font-size:10.5px;color:var(--muted-2)}.fc-rm{flex:none;width:22px;height:22px;display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--muted);font-size:11px;cursor:pointer;transition:border-color .13s var(--ease),color .13s var(--ease)}.fc-rm:hover{border-color:var(--red);color:var(--red)}.row{display:flex;align-items:center;gap:16px;margin-top:20px;flex-wrap:wrap}.spacer{flex:1 1}.hint{font-size:12.5px;color:var(--muted);line-height:1.5}.mode-pick{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin-top:20px}@media (max-width:560px){.mode-pick{grid-template-columns:1fr}}.mode-card{text-align:left;padding:14px 16px;border-radius:12px;cursor:pointer;background:var(--panel,transparent);border:1.5px solid var(--line);transition:border-color .13s var(--ease),background .13s var(--ease)}.mode-card.on,.mode-card:hover{border-color:var(--gold)}.mode-card.on{background:color-mix(in srgb,var(--gold) 7%,transparent)}.mode-card .mode-name{display:block;font-weight:700;font-size:14px;color:var(--ink);margin-bottom:4px}.mode-card .mode-rec{font-weight:600;font-size:11px;color:var(--gold);letter-spacing:.01em}.mode-card .mode-desc{display:block;font-size:12px;color:var(--muted);line-height:1.45}.btn{font-family:var(--sans);font-weight:600;font-size:14.5px;border-radius:var(--radius-sm);padding:12px 22px;cursor:pointer;border:1px solid transparent;transition:transform .13s var(--ease),background .15s var(--ease),box-shadow .15s var(--ease),border-color .15s var(--ease)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--gold-tint)}.btn-primary{background:var(--ink);color:#f7f4ee;box-shadow:0 1px 2px rgba(27,26,23,.2),0 8px 20px -12px rgba(27,26,23,.5)}.btn-primary:not(:disabled):hover{background:#24221d;transform:translateY(-1px)}.btn-primary:not(:disabled):active{transform:translateY(0)}.btn-ghost{background:var(--panel);border-color:var(--line);color:var(--ink)}.btn-ghost:not(:disabled):hover{border-color:var(--ink)}.err{margin-top:16px;color:var(--red);font-size:13.5px;line-height:1.5;padding:12px 14px;border:1px solid rgba(180,69,60,.28);border-radius:10px;background:rgba(180,69,60,.05)}.layout{display:grid;grid-template-columns:320px 1fr;grid-gap:26px;gap:26px;margin-top:36px;align-items:start}@media (max-width:900px){.layout{grid-template-columns:1fr}}.outline{padding:22px;position:-webkit-sticky;position:sticky;top:22px;max-height:calc(100vh - 44px);overflow:auto;animation:rise .55s var(--ease-out) both}.outline h2{font-weight:800;font-size:19px;letter-spacing:-.02em;margin:0 0 6px;color:var(--ink)}.outline .meta{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);margin-bottom:18px}.chapter{margin-bottom:20px}.chapter-label{font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin:0 0 9px}.section{display:block;width:100%;text-align:left;cursor:pointer;background:transparent;border:1px solid transparent;border-left-width:2px;border-radius:9px;padding:9px 12px;color:var(--ink);font-family:var(--sans);font-size:13.5px;line-height:1.35;transition:background .13s var(--ease),border-color .13s var(--ease)}.section:hover{background:var(--panel-2)}.section.active{background:var(--gold-tint);border-left-color:var(--gold)}.section .sec-sum{display:block;margin-top:4px;font-size:11.5px;color:var(--muted)}.sec-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.sec-title{flex:1 1}.sec-count{flex:none;font-family:var(--mono);font-size:10.5px;color:var(--muted-2)}.section.active .sec-count{color:var(--gold)}.stage{min-height:440px;animation:rise .55s .05s var(--ease-out) both}.quiz{padding:30px 32px}.empty{padding:76px 34px;text-align:center;color:var(--muted)}.empty .big{font-weight:700;font-size:24px;letter-spacing:-.02em;color:var(--ink);margin-bottom:8px}.q-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.q-where{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted);text-transform:uppercase}.q-where b{color:var(--ink);font-weight:600}.metrics{display:flex;gap:8px}.pill{font-family:var(--mono);font-size:11.5px;font-weight:500;padding:5px 11px;border-radius:7px;border:1px solid var(--line);color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;background:var(--panel)}.pill.acc{color:var(--gold);border-color:var(--gold);background:var(--gold-tint)}.q-text{font-weight:700;font-size:clamp(20px,2.5vw,26px);line-height:1.32;letter-spacing:-.022em;margin:4px 0 24px;color:var(--ink)}.qfig{margin:0 0 22px}.qfig-svg{line-height:0}.qfig-svg svg{display:block}.qfig figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:6px}.opts{flex-direction:column;gap:11px}.opt,.opts{display:flex}.opt{align-items:center;gap:14px;text-align:left;width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:15px 16px;color:var(--ink);font-family:var(--sans);font-size:15px;cursor:pointer;transition:border-color .13s var(--ease),background .13s var(--ease),transform .11s var(--ease)}.opt:hover:not(:disabled){border-color:var(--gold);background:#fdfbf6;transform:translateY(-1px)}.opt:disabled{cursor:default}.opt .key{flex:none;width:27px;height:27px;display:grid;place-items:center;border-radius:7px;border:1px solid var(--line);font-family:var(--mono);font-size:12px;font-weight:500;color:var(--muted);background:var(--panel)}.opt.sel{background:#fff}.opt.sel,.opt.sel .key{border-color:var(--ink)}.opt.sel .key{color:var(--ink)}.opt.correct{background:rgba(46,125,91,.07)}.opt.correct,.opt.correct .key{border-color:var(--green);color:var(--green)}.opt.wrong{background:rgba(180,69,60,.06)}.opt.wrong,.opt.wrong .key{border-color:var(--red);color:var(--red)}.explain{margin-top:20px;padding:16px 18px;border-radius:12px;background:var(--panel-2);border:1px solid var(--line);font-size:14.5px;line-height:1.58;color:var(--ink-2);animation:rise .35s var(--ease-out) both}.explain .eh{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:7px}.q-actions{justify-content:flex-end;gap:10px;flex-direction:row-reverse;margin-top:22px}.loader,.q-actions{display:flex;align-items:center}.loader{flex-direction:column;text-align:center;padding:44px 24px 48px;gap:18px;animation:rise .45s var(--ease-out) both}.loader-ring{width:44px;height:44px;border-radius:50%;border:2.5px solid var(--line);border-top-color:var(--gold);animation:spin .85s linear infinite}.loader-title{font-weight:700;font-size:22px;letter-spacing:-.02em;color:var(--ink)}.loader-step{font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;color:var(--muted);min-height:18px;animation:rise .4s var(--ease-out) both}.loader-detail{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--gold)}.loader-bar{width:260px;max-width:78%;height:3px;border-radius:999px;background:var(--line-2);overflow:hidden;margin-top:2px}.loader-bar span{display:block;height:100%;width:42%;border-radius:inherit;background:linear-gradient(90deg,transparent,var(--gold),transparent);animation:slide 1.5s var(--ease) infinite}.loader-progress{width:300px;max-width:80%;height:7px;border-radius:999px;background:var(--line-2);overflow:hidden;margin-top:4px;box-shadow:inset 0 1px 2px rgba(27,26,23,.06)}.loader-progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:width .5s var(--ease-out)}.loader-pct{font-family:var(--mono);font-size:12px;color:var(--gold);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.lib{position:relative}.lib-badge{display:inline-grid;place-items:center;min-width:17px;height:17px;padding:0 5px;margin-left:6px;border-radius:999px;background:var(--gold-tint);color:var(--gold);font-family:var(--mono);font-size:10px;font-weight:600;line-height:1}.lib-backdrop{position:fixed;inset:0;z-index:40}.lib-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:50;width:322px;max-width:86vw;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:8px;animation:rise .2s var(--ease-out) both}.lib-menu-head{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);padding:7px 10px 9px}.lib-list{display:flex;flex-direction:column;gap:2px;max-height:336px;overflow:auto}.lib-item{display:flex;align-items:center;gap:6px;border-radius:9px;border:1px solid transparent;transition:background .13s var(--ease),border-color .13s var(--ease)}.lib-item:hover{background:var(--panel-2)}.lib-item.active{background:var(--gold-tint);border-color:rgba(154,123,63,.28)}.lib-open{flex:1 1;min-width:0;text-align:left;background:transparent;border:none;cursor:pointer;padding:9px 10px;display:flex;flex-direction:column;gap:3px;color:var(--ink)}.lib-name{font-size:13.5px;font-weight:600;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lib-item.active .lib-name{color:var(--gold)}.lib-sub{font-family:var(--mono);font-size:10px;letter-spacing:.03em;color:var(--muted)}.lib-acts{display:flex;gap:3px;padding-right:6px;flex:none}.lib-ic{width:24px;height:24px;display:grid;place-items:center;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:11px;cursor:pointer;transition:border-color .13s var(--ease),color .13s var(--ease)}.lib-ic:hover{border-color:var(--ink);color:var(--ink)}.lib-ic.danger:hover{border-color:var(--red);color:var(--red)}.lib-new{width:100%;margin-top:8px;border:1px dashed var(--line);background:var(--panel-2);border-radius:10px;padding:10px;cursor:pointer;color:var(--ink);font-family:var(--sans);font-size:13px;font-weight:600;transition:border-color .13s var(--ease),background .13s var(--ease)}.lib-new:hover{border-color:var(--gold);background:#fdfbf6}@media (max-width:560px){.site-head{flex-wrap:wrap;gap:10px}.lib-menu{width:288px}}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes spin{to{transform:rotate(1turn)}}@keyframes slide{0%{transform:translateX(-120%)}to{transform:translateX(320%)}}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}.embedded .brand{display:none}.embedded .site-head{padding-top:10px}.embedded{padding-top:4px}