:root{color-scheme:light dark;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;--bg: #f5f3ee;--surface: #ffffff;--surface-2: #efece5;--ink: #1c2230;--ink-2: #444c5c;--muted: #697182;--line: #dcd7cc;--line-strong: #c3bdb0;--accent: #23695b;--accent-ink: #ffffff;--accent-soft: #d8ece6;--accent-text: #1d5a4e;--focus: #5a3bc4;--ok: #2b7a3a;--ok-soft: #e1f1e3;--bad: #b1261d;--bad-soft: #f8e1df;--warn: #8a5300;--warn-soft: #fbeed6;--recomb: #6d3fa8;--recomb-soft: #ece4f7;--shadow: 0 1px 2px rgba(20, 24, 33, .06), 0 8px 24px rgba(20, 24, 33, .08)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #11151c;--surface: #1a2029;--surface-2: #222a35;--ink: #e6e9ee;--ink-2: #b9c0cc;--muted: #8f98a8;--line: #2f3846;--line-strong: #435064;--accent: #5bbba5;--accent-ink: #0b1714;--accent-soft: #1f3a34;--accent-text: #7fd3bf;--focus: #b9a2ff;--ok: #6cc47e;--ok-soft: #1d3324;--bad: #ff8a80;--bad-soft: #3a1f1e;--warn: #f0b456;--warn-soft: #3a2d17;--recomb: #c5a3f2;--recomb-soft: #2e2440;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35)}}:root[data-theme=dark]{color-scheme:dark;--bg: #11151c;--surface: #1a2029;--surface-2: #222a35;--ink: #e6e9ee;--ink-2: #b9c0cc;--muted: #8f98a8;--line: #2f3846;--line-strong: #435064;--accent: #5bbba5;--accent-ink: #0b1714;--accent-soft: #1f3a34;--accent-text: #7fd3bf;--focus: #b9a2ff;--ok: #6cc47e;--ok-soft: #1d3324;--bad: #ff8a80;--bad-soft: #3a1f1e;--warn: #f0b456;--warn-soft: #3a2d17;--recomb: #c5a3f2;--recomb-soft: #2e2440;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35)}:root[data-theme=light]{color-scheme:light}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font:16px/1.5 var(--font);-webkit-text-size-adjust:100%}h1,h2,h3,h4{line-height:1.25;margin:0}p{margin:0 0 .5em}p:last-child{margin-bottom:0}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}[tabindex="-1"]:focus{outline:none}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}[hidden]{display:none!important}.btn{font:inherit;font-weight:550;font-size:.95rem;min-height:40px;padding:.45rem .95rem;border-radius:10px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);cursor:pointer;transition:background-color .15s,border-color .15s}.btn:hover:not(:disabled){border-color:var(--ink-2)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn-primary:hover:not(:disabled){filter:brightness(1.07);border-color:var(--accent)}.btn-warning{background:var(--warn-soft);border-color:var(--warn);color:var(--ink)}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--surface-2);border-color:transparent}.btn-small{min-height:32px;padding:.25rem .7rem;font-size:.875rem}.btn-large{min-height:48px;padding:.6rem 1.8rem;font-size:1.05rem}.btn-link{font:inherit;font-size:.9rem;background:none;border:none;padding:.2rem 0;color:var(--accent-text);text-decoration:underline;text-underline-offset:2px;cursor:pointer}.badge{display:inline-block;font-size:.75rem;font-weight:600;padding:.1rem .5rem;border-radius:999px;border:1px solid transparent;white-space:nowrap}.badge-muted{background:var(--surface-2);border-color:var(--line);color:var(--ink-2)}.badge-ok{background:var(--ok-soft);color:var(--ok);border-color:currentColor}.badge-bad{background:var(--bad-soft);color:var(--bad);border-color:currentColor}.badge-recomb{background:var(--recomb-soft);color:var(--recomb);border-color:currentColor}.screen{min-height:100vh;min-height:100dvh}.topbar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line);background:var(--surface)}.topbar-title{font-size:1.05rem;font-weight:650;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fine-print{font-size:.8rem;color:var(--muted)}.popover{position:absolute;z-index:60;width:max-content;max-width:min(330px,calc(100vw - 16px));background:var(--surface);color:var(--ink);border:1px solid var(--line-strong);border-radius:12px;box-shadow:var(--shadow);padding:12px 14px;font-size:.92rem}.popover-title{font-size:.98rem;margin-bottom:4px}.popover-actions{display:flex;justify-content:flex-end;margin-top:8px}.popover-arrow{position:absolute;left:var(--arrow-x, 50%);width:12px;height:12px;background:var(--surface);border:1px solid var(--line-strong);transform:translate(-50%) rotate(45deg)}.popover[data-side=below] .popover-arrow{top:-7px;border-right:none;border-bottom:none}.popover[data-side=above] .popover-arrow{bottom:-7px;border-left:none;border-top:none}.popover[data-side=center] .popover-arrow{display:none}dialog.modal{border:1px solid var(--line);border-radius:16px;padding:20px 22px;width:min(520px,calc(100vw - 24px));max-height:calc(100dvh - 32px);background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}dialog.modal::backdrop{background:#0a0e1480}.modal-title{font-size:1.2rem;margin-bottom:10px}.modal-body{display:grid;gap:10px;color:var(--ink-2)}.modal-footer{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px;margin-top:16px}.modal-footer:empty{display:none}.dnd-source,.selectable{cursor:pointer}g.dnd-source{touch-action:none}[data-operable]:focus{outline:none}[data-operable]:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.drag-line{stroke:var(--focus);stroke-width:2.5;stroke-dasharray:6 5;stroke-linecap:round;pointer-events:none}.drag-ghost{position:fixed;left:0;top:0;z-index:1000;pointer-events:none;translate:-50% -50%;opacity:.9;padding:4px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--focus);box-shadow:var(--shadow);font-size:.85rem;font-weight:600}body.dnd-active{cursor:grabbing}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}a{color:var(--accent-text);text-underline-offset:2px}.wrap{width:min(880px,100%);margin:0 auto;padding-left:16px;padding-right:16px}.skip-link{position:absolute;left:16px;top:-100px;z-index:10;padding:.5rem .9rem;border-radius:10px;background:var(--accent);color:var(--accent-ink);font-weight:600;text-decoration:none}.skip-link:focus{top:8px}.site-header{padding:24px 0 20px;border-bottom:1px solid var(--line);background:var(--surface)}.site-head-row{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:8px 16px}.site-title{font-size:clamp(1.9rem,6vw,2.6rem);letter-spacing:-.01em;color:var(--accent-text)}.tagline{margin-top:4px;font-size:1.1rem;color:var(--ink-2)}.tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.subject-nav ul{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.subject-nav a{display:inline-flex;align-items:center;min-height:40px;padding:.35rem .95rem;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface-2);color:var(--ink);font-weight:550;text-decoration:none}.subject-nav a:hover{border-color:var(--accent)}.filter{font:inherit;min-height:40px;width:14rem;max-width:100%;padding:.35rem .8rem;border-radius:10px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink)}.filter::placeholder{color:var(--muted)}main{padding-top:28px;padding-bottom:40px}.catalogue{display:grid;gap:32px}.subject-title{font-size:1.5rem;padding-bottom:6px;margin-bottom:14px;border-bottom:2px solid var(--accent)}.topics{display:grid;gap:18px}.topic-title{font-size:1.1rem;margin-bottom:8px}.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));gap:12px}.cards>li{display:flex}.card{flex:1;display:grid;align-content:start;gap:8px;padding:16px 18px;min-height:44px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:var(--shadow);color:inherit;text-decoration:none}.card:hover{border-color:var(--accent)}.card-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:6px 10px}.card-title{font-size:1.15rem;color:var(--accent-text)}.card:hover .card-title{text-decoration:underline;text-underline-offset:3px}.card-summary{color:var(--ink-2);font-size:.95rem}.topic-soon{padding:10px 14px;border:1px dashed var(--line-strong);border-radius:14px;background:transparent;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 12px}.topic-soon .topic-title{margin:0;font-size:1rem;font-weight:600;color:var(--muted)}.topic-soon-note{margin:0}.badge-warn{background:var(--warn-soft);color:var(--warn);border-color:currentColor}.no-match{margin-top:16px;color:var(--ink-2)}.about{margin-top:40px;padding:18px 20px 20px;background:var(--surface);border:1px solid var(--line);border-radius:18px}.about h2{font-size:1.25rem;margin-bottom:6px}.about p{color:var(--ink-2);max-width:62ch}.site-footer{padding:18px 0 32px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px}.site-footer p{margin:0}.site-footer a{display:inline-block;padding:.3rem 0}@media(max-width:560px){.tools{flex:1 1 100%;flex-wrap:nowrap}.filter{flex:1 1 auto;min-width:0;width:auto}.btn{flex:none}}