:root{--bg:#f8fafc;--panel:#fff;--navy:#0d2442;--navy-2:#1a3a5c;--ink:#0d2442;--ink-2:#475569;--muted:#64748b;--line:#e8edf4;--line-2:#d8dee7;--accent:#0d2442;--accent-ink:#fff;--accent-soft:#eef1f6;--link:#2563eb;--sky:#38bdf8;--good:#1d7a46;--good-soft:#e3f3ea;--bad:#b3261e;--bad-soft:#fbe9e7;--warn:#8a5a00;--warn-soft:#fbf1db;--info:#0f6e78;--info-soft:#e1f2f3;--mock:#6b3fa0;--mock-soft:#f0e8f8;--radius:14px;--shadow:0 1px 2px #0d24420a, 0 8px 24px #0d24420a;--shadow-lg:0 12px 32px #0d24421a;--font:"Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font:15px/1.55 var(--font);-webkit-font-smoothing:antialiased}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,h4{margin:0 0 .5rem;line-height:1.25}h1{letter-spacing:-.025em;color:var(--navy);font-size:1.6rem;font-weight:650}h2{letter-spacing:-.015em;color:var(--navy);font-size:1.15rem;font-weight:600}h3{color:var(--navy);font-size:1rem;font-weight:600}p{margin:0 0 .6rem}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.topbar{z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff5;border-bottom:1px solid #e5e7eb;position:sticky;top:0}.topbar-inner{align-items:center;gap:10px;max-width:1240px;height:60px;margin:0 auto;padding:0 16px;display:flex}.brand{letter-spacing:-.02em;color:var(--navy);white-space:nowrap;align-items:center;gap:8px;font-size:1.15rem;font-weight:700;display:flex}.brand:hover{text-decoration:none}.brand img{width:22px;height:22px}.nav{scrollbar-width:none;flex:1;align-items:center;gap:0;min-width:0;display:flex;overflow-x:auto}.nav a,.nav-more>summary,.nav-more-menu a{color:var(--ink-2);white-space:nowrap;border-radius:999px;padding:7px 9px;font-size:.9rem;font-weight:500}.nav a:hover,.nav-more>summary:hover,.nav-more-menu a:hover{color:var(--navy);background:var(--accent-soft);text-decoration:none}.nav a.active,.nav-more-menu a.active{background:var(--navy);color:#fff}.nav-more{position:relative}.nav-more>summary{cursor:pointer;list-style:none}.nav-more>summary::-webkit-details-marker{display:none}.nav-more>summary:after{content:" ▾";font-size:.75em}.nav-more.active>summary{color:var(--navy);font-weight:600}.nav-more-menu{border:1px solid var(--line);box-shadow:var(--shadow-lg);z-index:30;background:#fff;border-radius:12px;flex-direction:column;min-width:180px;margin-top:8px;padding:6px;display:flex;position:absolute;top:100%;right:0}.nav-more-menu a{border-radius:8px}.topbar-theme{margin-left:auto}.topbar-settings{color:var(--ink-2);border-radius:999px;margin-left:auto;padding:4px 8px;font-size:1.15rem}.topbar-settings:hover,.topbar-settings.active{color:var(--navy);background:var(--accent-soft);text-decoration:none}.topbar-settings+.topbar-theme{margin-left:0}.page{max-width:1240px;margin:0 auto;padding:22px 16px 80px}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:16px;display:flex}.page-head p{color:var(--muted);margin:0}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card+.card{margin-top:12px}.card h2{margin-bottom:.75rem}.grid{gap:12px;display:grid}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stack{flex-direction:column;gap:12px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.spread{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.muted{color:var(--muted)}.small{font-size:.86rem}.tiny{font-size:.78rem}.mono{font-family:var(--mono);font-size:.85em}.nowrap{white-space:nowrap}.right{text-align:right}hr{border:0;border-top:1px solid var(--line);margin:14px 0}.btn{color:var(--navy);cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #0d244233;border-radius:999px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-weight:550;line-height:1.3;transition:background .15s,box-shadow .15s;display:inline-flex}.btn:hover{background:var(--accent-soft);text-decoration:none}.btn:disabled{opacity:.5;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{background:var(--navy-2);box-shadow:0 8px 18px #0d24422e}.btn.lg{padding:12px 26px;font-size:1.02rem}.btn.ghost{background:0 0;border-color:#0000}.btn.ghost:hover{background:var(--accent-soft)}.btn.danger{color:var(--bad)}.btn.sm{padding:4px 9px;font-size:.86rem}.btn.on{background:var(--accent-soft);color:var(--navy);border-color:#0d244259}.input,select.input,textarea.input{border:1px solid var(--line-2);background:#fff;border-radius:10px;min-width:0;padding:8px 11px}.input:focus{border-color:var(--accent);outline:2px solid #38bdf859}label.field{color:var(--ink-2);flex-direction:column;gap:4px;font-size:.86rem;font-weight:550;display:flex}.seg{border:1px solid var(--line-2);background:#fff;border-radius:10px;display:inline-flex;overflow:hidden}.seg button{cursor:pointer;color:var(--ink-2);background:0 0;border:0;padding:6px 11px;font-weight:550}.seg button+button{border-left:1px solid var(--line-2)}.seg button.on{background:var(--accent-soft);color:var(--accent)}.badge{white-space:nowrap;color:var(--ink-2);background:#f1f5f9;border:1px solid #0000;border-radius:999px;align-items:center;gap:4px;padding:1px 8px;font-size:.76rem;font-weight:600;line-height:1.6;display:inline-flex}.badge.good{background:var(--good-soft);color:var(--good)}.badge.bad{background:var(--bad-soft);color:var(--bad)}.badge.warn{background:var(--warn-soft);color:var(--warn)}.badge.info{background:var(--info-soft);color:var(--info)}.badge.accent{background:var(--accent-soft);color:var(--accent)}.badge.mock{background:var(--mock-soft);color:var(--mock)}.badge.outline{border-color:var(--line-2);color:var(--muted);background:0 0}.stat{flex-direction:column;gap:2px;display:flex}.stat .v{letter-spacing:-.03em;color:var(--navy);font-size:1.6rem;font-weight:650}.stat .l{color:var(--muted);font-size:.84rem}.stat .s{color:var(--muted);font-size:.78rem}.bar{background:#e8edf4;border-radius:99px;height:8px;overflow:hidden}.bar>i{background:var(--accent);border-radius:99px;height:100%;display:block}.bar.good>i{background:var(--good)}.bar.bad>i{background:var(--bad)}table.t{border-collapse:collapse;width:100%;font-size:.9rem}table.t th{text-align:left;color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap;padding:6px 8px;font-size:.8rem;font-weight:600}table.t td{vertical-align:top;border-bottom:1px solid #f1f5f9;padding:7px 8px}table.t tr:last-child td{border-bottom:0}.table-wrap{overflow-x:auto}.notice{background:var(--info-soft);color:#0b4f56;border-radius:8px;padding:10px 12px;font-size:.9rem}.notice.warn{background:var(--warn-soft);color:#6b4600}.notice.bad{background:var(--bad-soft);color:#8c1d17}.empty{text-align:center;color:var(--muted);padding:36px 16px}.loading{text-align:center;color:var(--muted);padding:30px}.error{color:var(--bad);padding:14px}.qtext{white-space:pre-wrap;word-wrap:break-word;font-size:1.02rem;line-height:1.6}.passage{white-space:pre-wrap;border:1px solid var(--line);max-height:340px;color:var(--ink-2);background:#fafbfc;border-radius:8px;margin-bottom:12px;padding:12px 14px;font-size:.95rem;line-height:1.6;overflow:auto}.options{flex-direction:column;gap:8px;margin-top:14px;display:flex}.opt{text-align:left;border:1px solid var(--line-2);cursor:pointer;background:#fff;border-radius:12px;align-items:flex-start;gap:10px;width:100%;padding:11px 13px;line-height:1.5;display:flex}.opt:hover:not(:disabled){background:#fafbfc;border-color:#0d244259}.opt .k{border:1px solid var(--line-2);width:24px;height:24px;color:var(--muted);border-radius:50%;flex:none;place-items:center;margin-top:1px;font-size:.8rem;font-weight:650;display:grid}.opt .tx{white-space:pre-wrap;word-wrap:break-word;min-width:0}.opt.sel{border-color:var(--accent);background:var(--accent-soft)}.opt.sel .k{background:var(--accent);color:#fff;border-color:var(--accent)}.opt.right{background:var(--good-soft);border-color:#7cc49b}.opt.right .k{background:var(--good);color:#fff;border-color:var(--good)}.opt.wrong{background:var(--bad-soft);border-color:#e6a39d}.opt.wrong .k{background:var(--bad);color:#fff;border-color:var(--bad)}.opt:disabled{cursor:default}.explain{border-left:3px solid var(--good);background:#f7fbf8;border-radius:0 8px 8px 0;margin-top:14px;padding:10px 14px}.explain.wrong{border-left-color:var(--bad);background:#fdf7f6}.explain h4{margin:0 0 4px;font-size:.9rem}.qlist{flex-direction:column;gap:8px;display:flex}.qitem{border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);background:#fff;padding:12px 14px;display:block}.qitem:hover{border-color:#0d24424d;text-decoration:none}.qitem .stem{-webkit-line-clamp:3;white-space:pre-line;-webkit-box-orient:vertical;margin:4px 0 6px;display:-webkit-box;overflow:hidden}.qitem .meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;font-size:.8rem;display:flex}.browse{grid-template-columns:270px minmax(0,1fr);align-items:start;gap:16px;display:grid}.filters{max-height:calc(100vh - 86px);position:sticky;top:70px;overflow:auto}.filters .group{border-bottom:1px solid #f1f5f9;padding:10px 0}.filters .group:last-child{border-bottom:0}.filters h4{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 6px;font-size:.78rem}.chips{flex-wrap:wrap;gap:5px;display:flex}.chip{border:1px solid var(--line-2);cursor:pointer;color:var(--ink-2);background:#fff;border-radius:999px;padding:2px 9px;font-size:.82rem}.chip:hover{border-color:#0d244259}.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}.chip .n{opacity:.65;margin-left:3px;font-size:.74rem}.checklist{flex-direction:column;gap:2px;max-height:260px;display:flex;overflow:auto}.checklist label{cursor:pointer;align-items:flex-start;gap:7px;padding:2px 0;font-size:.86rem;display:flex}.checklist label .n{color:var(--muted);margin-left:auto;font-size:.76rem}.side{grid-template-columns:minmax(0,1fr) 330px;align-items:start;gap:16px;display:grid}.runner{grid-template-columns:minmax(0,1fr) 270px;align-items:start;gap:16px;display:grid}.runner-head{z-index:10;background:var(--bg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;display:flex;position:sticky;top:60px}.timer{font-family:var(--mono);border:1px solid var(--line-2);background:#fff;border-radius:8px;padding:4px 10px;font-size:1.05rem;font-weight:650}.timer.low{color:var(--bad);border-color:#e6a39d}.palette{grid-template-columns:repeat(6,1fr);gap:6px;display:grid}.palette button{aspect-ratio:1;border:1px solid var(--line-2);cursor:pointer;background:#fff;border-radius:7px;font-size:.8rem;font-weight:600;position:relative}.palette button.ans{background:var(--good-soft);color:var(--good);border-color:#7cc49b}.palette button.wrongp{background:var(--bad-soft);color:var(--bad);border-color:#e6a39d}.palette button.mark:after{content:"";background:#c47f00;border-radius:50%;width:7px;height:7px;position:absolute;top:3px;right:3px}.palette button.cur{outline:2px solid var(--accent);outline-offset:1px}.palette-side{position:sticky;top:120px}.palette-toggle,.palette-drop{display:none}.legend{color:var(--muted);flex-wrap:wrap;gap:10px;margin-top:10px;font-size:.76rem;display:flex}.legend i{vertical-align:-1px;border:1px solid var(--line-2);border-radius:3px;width:10px;height:10px;margin-right:4px;display:inline-block}.kbd{font-family:var(--mono);border:1px solid var(--line-2);background:#fff;border-bottom-width:2px;border-radius:4px;padding:0 4px;font-size:.74rem}.score-big{letter-spacing:-.02em;font-size:2.2rem;font-weight:760}.hbars{flex-direction:column;gap:7px;display:flex}.hbar{grid-template-columns:minmax(120px,260px) 1fr 70px;align-items:center;gap:10px;font-size:.86rem;display:grid}.hbar .lbl{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.cols{align-items:flex-end;gap:3px;height:110px;display:flex}.cols>div{background:var(--accent);border-radius:3px 3px 0 0;flex:1;min-height:2px;position:relative}.cols>div.good{background:#8bc9a6}.tabs{border-bottom:1px solid var(--line);gap:2px;margin-bottom:14px;display:flex;overflow-x:auto}.tabs a,.tabs button{color:var(--ink-2);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;padding:8px 12px;font-weight:550}.tabs a.active,.tabs button.on{color:var(--accent);border-bottom-color:var(--accent)}.tabs a:hover{text-decoration:none}details.more>summary{cursor:pointer;color:var(--accent);font-size:.9rem;font-weight:550}.dot{background:var(--line-2);border-radius:50%;width:8px;height:8px;display:inline-block}.dot.good{background:var(--good)}.dot.bad{background:var(--bad)}.dot.warn{background:#c47f00}@media (width<=1180px){.brand span{display:none}}@media (width<=960px){.browse,.side,.runner{grid-template-columns:1fr}.filters{max-height:none;position:static}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.palette{grid-template-columns:repeat(10,1fr)}.palette-side{display:none}.palette-toggle{display:inline-flex}.palette-drop{margin-bottom:12px;display:block}}@media (width<=719.98px){.topbar .nav,.topbar .nav-more{display:none}}@media (width<=620px){.grid-2,.grid-3{grid-template-columns:1fr}.topbar-inner{gap:10px}.brand span{display:none}.page{padding:14px 12px 70px}.hbar{grid-template-columns:110px 1fr 56px}.palette{grid-template-columns:repeat(8,1fr)}.stat .v{font-size:1.3rem}}:root[data-theme=dark]{--bg:#0b1424;--panel:#111d33;--navy:#e3ebf7;--navy-2:#93c5fd;--ink:#e3ebf7;--ink-2:#b4c2d6;--muted:#8b9bb3;--line:#1f2d47;--line-2:#2b3b5a;--accent:#6aa8f5;--accent-ink:#0b1424;--accent-soft:#1a2a46;--link:#7cb6ff;--good:#5fd08f;--good-soft:#13321f;--bad:#f2867d;--bad-soft:#3a1a1a;--warn:#f0c060;--warn-soft:#362a10;--info:#5ccbd6;--info-soft:#0f2f35;--mock:#c4a2f0;--mock-soft:#2a1d40;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000040;--shadow-lg:0 12px 32px #00000073;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=dark] .topbar{border-bottom-color:var(--line);background:#0b1424f0}:root[data-theme=dark] .nav a.active,:root[data-theme=dark] .nav-more-menu a.active{background:var(--accent);color:var(--accent-ink)}:root[data-theme=dark] .nav-more-menu{background:var(--panel)}:root[data-theme=dark] .btn{background:var(--panel);border-color:var(--line-2)}:root[data-theme=dark] .btn:hover,:root[data-theme=dark] .btn.ghost:hover{background:var(--accent-soft)}:root[data-theme=dark] .btn.ghost{background:0 0;border-color:#0000}:root[data-theme=dark] .btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}:root[data-theme=dark] .btn.primary:hover{background:var(--navy-2);box-shadow:0 8px 18px #00000059}:root[data-theme=dark] .btn.on{background:var(--accent-soft);border-color:var(--accent)}:root[data-theme=dark] .input,:root[data-theme=dark] select.input,:root[data-theme=dark] textarea.input,:root[data-theme=dark] .seg,:root[data-theme=dark] .chip,:root[data-theme=dark] .timer,:root[data-theme=dark] .kbd{background:#0e1a2e}:root[data-theme=dark] .badge{background:#1c2a42}:root[data-theme=dark] .badge.good{background:var(--good-soft)}:root[data-theme=dark] .badge.bad{background:var(--bad-soft)}:root[data-theme=dark] .badge.warn{background:var(--warn-soft)}:root[data-theme=dark] .badge.info{background:var(--info-soft)}:root[data-theme=dark] .badge.accent{background:var(--accent-soft)}:root[data-theme=dark] .badge.mock{background:var(--mock-soft)}:root[data-theme=dark] .badge.outline{background:0 0}:root[data-theme=dark] .bar{background:var(--line)}:root[data-theme=dark] table.t td,:root[data-theme=dark] .filters .group{border-bottom-color:var(--line)}:root[data-theme=dark] .notice{color:var(--info)}:root[data-theme=dark] .notice.warn{color:var(--warn)}:root[data-theme=dark] .notice.bad{color:var(--bad)}:root[data-theme=dark] .passage{background:#0e1a2e}:root[data-theme=dark] .opt,:root[data-theme=dark] .qitem,:root[data-theme=dark] .palette button{background:var(--panel)}:root[data-theme=dark] .opt:hover:not(:disabled){border-color:var(--accent);background:#16243d}:root[data-theme=dark] .opt.sel{background:var(--accent-soft)}:root[data-theme=dark] .opt.sel .k,:root[data-theme=dark] .chip.on{color:var(--accent-ink)}:root[data-theme=dark] .chip.on{background:var(--accent)}:root[data-theme=dark] .opt.right,:root[data-theme=dark] .palette button.ans{background:var(--good-soft);border-color:#2f7a50}:root[data-theme=dark] .opt.wrong,:root[data-theme=dark] .palette button.wrongp{background:var(--bad-soft);border-color:#8a3a34}:root[data-theme=dark] .opt.right .k,:root[data-theme=dark] .opt.wrong .k{color:#0b1424}:root[data-theme=dark] .explain{background:#10261a}:root[data-theme=dark] .explain.wrong{background:#2a1616}:root[data-theme=dark] .qitem:hover,:root[data-theme=dark] .chip:hover{border-color:var(--accent)}:root[data-theme=dark] .timer.low{border-color:#8a3a34}:root[data-theme=dark] .cols>div.good{background:#3f9a68}.sp-backdrop{z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0d244259;justify-content:center;align-items:flex-start;padding:12vh 16px 16px;display:flex;position:fixed;inset:0}.sp-modal{background:var(--panel);width:100%;max-width:620px;max-height:70vh;color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);font-family:var(--font);flex-direction:column;display:flex;overflow:hidden}.sp-search{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:14px 16px;display:flex}.sp-search-icon{opacity:.7;font-size:16px}.sp-input{min-width:0;font:inherit;color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:4px 0;font-size:17px}.sp-input::placeholder{color:var(--muted)}.sp-modal kbd{font-family:var(--mono);color:var(--ink-2);background:var(--accent-soft);border:1px solid var(--line-2);border-radius:6px;margin-right:3px;padding:1px 6px;font-size:11px}.sp-section{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding:12px 18px 4px;font-size:12px;font-weight:600}.sp-msg{color:var(--ink-2);text-align:center;padding:22px 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i{color:var(--muted);opacity:.6;font-style:normal}a.tt-link{text-decoration:none}.tt-link:hover{text-decoration:underline}.tt-link:disabled{opacity:.5;cursor:default;text-decoration:none}.tt-none{color:var(--muted);margin:auto 0 0;font-size:.9rem}.tt-skel{background:linear-gradient(100deg,#eef0f2 40%,#f8f9fa 50%,#eef0f2 60%) 0 0/200% 100%;border-radius:18px;height:200px;animation:1.1s linear infinite tt-skel}@keyframes tt-skel{to{background-position:-200% 0}}.tt-empty{text-align:center;background:var(--panel);border:1px dashed var(--line-2);border-radius:18px;max-width:560px;margin:10px auto;padding:44px 20px}.tt-empty-icon{margin-bottom:6px;font-size:2.4rem}.tt-empty p{color:var(--muted);max-width:440px;margin:0 auto}@media (width<=560px){.tt-hero h1{font-size:1.7rem}}.fc-page{max-width:760px;margin:0 auto}.fc-hero{text-align:center;max-width:640px;margin:8px auto 22px}.fc-hero h1{letter-spacing:-.02em;margin-bottom:6px;font-size:2.1rem}.fc-hero 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(width<=560px){.fc-hero h1{font-size:1.7rem}.fc-face{min-height:280px;padding:18px}.fc-grade .btn{flex:1;padding:11px 12px}.fc-chapter{width:100%;min-width:0}}.wt-card{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;flex-direction:column;gap:8px;margin-bottom:16px;padding:16px 18px;display:flex}.wt-card h2{color:var(--ink);margin:0;font-size:1.05rem}.wt-sub{color:var(--muted);margin:0;font-size:.85rem}.wt-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.wt-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding:8px 0;display:flex}.wt-row:first-child{border-top:0}.wt-name{color:var(--ink);overflow-wrap:anywhere}.wt-acc{color:var(--bad);font-variant-numeric:tabular-nums;font-weight:700}.wt-n{color:var(--muted);font-size:.85rem}.wt-go{border-radius:999px;flex:none}.wt-error{color:var(--bad);margin:0}.sb-card{background:var(--panel);border:1px solid 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