:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f8f9fb;--surface:#fff;--surface-2:#f3f4f7;--ink:#0b0d11;--ink-2:#3f4550;--ink-3:#7d8590;--line:#eaecf0;--line-2:#f1f2f5;--grid:#0b0d1109;--brand:#2563eb;--brand-2:#3b82f6;--brand-ink:#1d4ed8;--accent:#2563eb;--accent-2:#3b82f6;--accent-soft:#e9f1fe;--good:#0f9d58;--good-soft:#e4f4ea;--warn:#b8791b;--warn-soft:#f6ecd9;--bad:#d0342c;--bad-soft:#f9e4e2;--radius:14px;--radius-sm:10px;--shadow:0 1px 2px #1018280a;--shadow-lg:0 1px 3px #1018280f, 0 12px 32px #10182812;--display:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--sans:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", "Consolas", "Menlo", monospace;--serif:var(--display)}:root[data-theme=dark]{--bg:#0a0b0d;--surface:#101216;--surface-2:#15181d;--ink:#eef0f3;--ink-2:#b3bac4;--ink-3:#767e8b;--line:#21252b;--line-2:#1a1e23;--grid:#ffffff07;--brand:#60a5fa;--brand-2:#7cb5fb;--brand-ink:#93c5fd;--accent:#60a5fa;--accent-2:#7cb5fb;--accent-soft:#12233d;--good:#34c77b;--good-soft:#12281c;--warn:#d6a24a;--warn-soft:#2b2312;--bad:#ef5b52;--bad-soft:#2c1615;--shadow:0 1px 2px #0006;--shadow-lg:0 1px 3px #00000080, 0 16px 40px #0000008c}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background-color:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;font-feature-settings:"cv11", "ss01";font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.02em;color:var(--ink);font-weight:620;line-height:1.12}.app{grid-template-columns:256px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid 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var(--line);background:var(--surface);font-family:var(--sans);color:var(--ink);cursor:grab;border-radius:999px;padding:11px 18px;font-size:14.5px;font-weight:600;transition:border-color .15s,background .15s,transform .15s,box-shadow .15s}.match-chip:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-1px)}.match-chip.picked{background:var(--brand);border-color:var(--brand);color:#fff}.match-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}@media (max-width:1100px){.match-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:720px){.match-grid{grid-template-columns:1fr}}.match-slot{border:1.5px dashed var(--line);border-radius:var(--radius);background:var(--surface);min-height:108px;padding:16px 18px;transition:border-color .15s,background .15s}.match-slot.ready{cursor:pointer}.match-slot.ready:hover{border-color:var(--brand);background:var(--accent-soft)}.match-slot.matched{border:1px solid var(--good);background:var(--good-soft)}.match-slot.miss{border-color:var(--bad);background:var(--bad-soft);animation:.4s match-shake}.match-slot-term{color:var(--good);align-items:center;gap:6px;margin-bottom:6px;font-size:14px;font-weight:650;display:inline-flex}.match-slot-def{color:var(--ink-2);margin:0;font-size:13.5px;line-height:1.55}.match-cleared{color:var(--good);align-items:center;gap:8px;font-weight:600;display:flex}@keyframes match-shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.match-demo{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);grid-template-columns:minmax(0,1fr) 340px;align-items:center;gap:24px;padding:20px 24px;display:grid}@media (max-width:860px){.match-demo{grid-template-columns:1fr}}.match-demo-steps{color:var(--ink-2);flex-direction:column;gap:8px;font-size:14px;display:flex}.match-demo-steps b{color:var(--brand);font-family:var(--mono);margin-right:4px}.match-demo-stage{height:130px;position:relative}.match-demo-chip{z-index:2;cursor:default;pointer-events:none;animation:3.2s ease-in-out infinite match-demo-drag;position:absolute;top:0;left:0}.match-demo-slot{pointer-events:none;width:250px;min-height:84px;animation:3.2s ease-in-out infinite match-demo-land;position:absolute;bottom:0;right:0}@keyframes match-demo-drag{0%,12%{opacity:1;transform:translate(0)rotate(0)}20%{transform:translate(4px,2px)rotate(-3deg)}55%{opacity:1;transform:translate(110px,58px)rotate(2deg)}68%,82%{opacity:0;transform:translate(110px,58px)rotate(0)}83%,to{opacity:0;transform:translate(0)}}@keyframes match-demo-land{0%,55%{border-color:var(--line);background:var(--surface)}62%,85%{border:1px solid var(--good);background:var(--good-soft)}95%,to{border-color:var(--line);background:var(--surface)}}.grade-row{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.grade-btn{border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);cursor:pointer;min-width:168px;font-family:var(--sans);flex-direction:column;align-items:center;gap:3px;padding:14px 20px;transition:border-color .15s,background .15s,transform .15s,box-shadow .15s;display:flex}.grade-btn:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.grade-label{color:var(--ink);font-size:15px;font-weight:650}.grade-sub{color:var(--ink-3);font-size:12px}.grade-btn svg{color:var(--ink-3);transition:color .15s}.grade-miss:hover svg{color:var(--bad)}.grade-knew:hover svg{color:var(--good)}.grade-miss:hover{border-color:var(--bad);background:var(--bad-soft)}.grade-miss:hover .grade-label{color:var(--bad)}.grade-almost:hover{border-color:var(--warn);background:var(--warn-soft)}.grade-almost:hover 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0}.row{align-items:center;gap:12px;display:flex}.between{justify-content:space-between;align-items:center;gap:12px;display:flex}.wrap{flex-wrap:wrap;gap:10px;display:flex}.stack{flex-direction:column;gap:14px;display:flex}.mono,.pill{font-variant-numeric:tabular-nums}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}