:root{--ink:#202936;--muted:#717782;--line:#e6e8ec;--accent:#2164dc;--bg:#fff;--soft:#f6f8fb}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}header{height:88px;padding:0 42px;display:flex;align-items:center;justify-content:space-between}header nav{display:flex;align-items:center;gap:26px;font-size:14px}.brand{font-size:24px;font-weight:750;letter-spacing:-1px}.brand span,.logo span{color:var(--accent)}.beta{font-size:10px;letter-spacing:1px;background:var(--soft);padding:4px 7px;border-radius:4px;color:var(--muted);margin-left:8px;vertical-align:middle}.home{min-height:calc(100vh - 190px);display:flex;align-items:center;flex-direction:column;padding:clamp(60px,14vh,145px) 24px 70px}.eyebrow{color:var(--muted);font-size:11px;letter-spacing:2px;font-weight:600}.logo{font-size:clamp(62px,10vw,88px);font-weight:750;letter-spacing:-5px;line-height:1.2;margin:15px 0 10px}.tagline{color:var(--muted);margin:0 0 32px;font-size:16px}.search{width:min(600px,100%);position:relative}.searchline{height:58px;border:1px solid #dce0e7;border-radius:32px;display:flex;align-items:center;padding:0 20px;gap:14px;transition:box-shadow .2s}.searchline:hover,.searchline:focus-within{box-shadow:0 3px 16px #182c5012;border-color:#ccd4e0}.searchline svg{width:21px;color:#9097a1;flex-shrink:0}.searchline input{border:0;outline:0;width:100%;min-width:0;background:transparent;color:var(--ink);font-size:16px}.searchline button{background:none;border:0;color:var(--accent);font-size:22px;padding:6px}.actions{display:flex;justify-content:center;gap:12px;margin-top:25px}.btn{border:1px solid transparent;background:var(--soft);border-radius:7px;padding:9px 18px;font-size:14px}.btn:hover{border-color:#d9dee8}.btn.primary{background:var(--accent);color:#fff}.categories{display:flex;gap:20px;flex-wrap:wrap;justify-content:center;margin-top:40px;font-size:13px;color:var(--muted)}.hint{color:#8a919c;font-size:12px;margin-top:22px}.suggestions{position:absolute;top:64px;left:0;right:0;border:1px solid var(--line);border-radius:15px;background:var(--bg);box-shadow:0 10px 26px #182c5012;overflow:hidden;z-index:5}.suggestions a{display:block;padding:10px 22px}.suggestions a:hover{background:var(--soft)}footer{background:var(--soft);color:var(--muted);font-size:12px;padding:17px 42px}footer .row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:8px}footer a{margin-right:20px}.content{max-width:980px;margin:45px auto 100px;padding:0 24px}.content h1{font-size:38px;letter-spacing:-1px;line-height:1.25}.content h2{font-size:23px;margin-top:34px}.content .search{margin-bottom:38px}.result{padding:20px 0;border-bottom:1px solid var(--line)}.result h2{margin:3px 0;font-size:23px;color:var(--accent)}.result p{margin:6px 0;color:var(--muted)}.label{font-size:12px;color:var(--muted)}.article{max-width:800px}.intro{font-size:20px;line-height:1.7;border-left:3px solid var(--accent);padding-left:22px}.meta{font-size:12px;color:var(--muted)}.article p{line-height:1.9}.article aside{padding:18px 23px;background:var(--soft);border-radius:10px;margin-top:34px}.article aside h2{margin-top:0;font-size:17px}.article aside a{color:var(--accent);text-decoration:underline}.chips{display:flex;gap:10px;flex-wrap:wrap}.chips a{background:var(--soft);border-radius:20px;padding:5px 14px;font-size:13px}.back{color:var(--muted);font-size:13px}.empty{padding:25px;background:var(--soft);border-radius:12px}.categorygrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.categorygrid a{border:1px solid var(--line);border-radius:12px;padding:24px}.categorygrid strong{font-size:19px;display:block}.categorygrid span{color:var(--muted);font-size:13px}:focus-visible{outline:3px solid #91b6ff;outline-offset:4px}body.dark{--ink:#e5e9f1;--muted:#a0a9b9;--line:#343d4c;--bg:#171d27;--soft:#222b38;--accent:#86b0ff}@media(max-width:600px){header{height:70px;padding:0 20px}header nav{gap:16px;font-size:12px}header .brand{font-size:20px}.home{padding-top:100px;min-height:calc(100svh - 188px)}.tagline{font-size:14px}.categories{gap:14px;margin-top:30px}footer{padding:15px 20px}.content{margin-top:28px}.content h1{font-size:30px}.categorygrid{grid-template-columns:1fr}.intro{font-size:18px}.hide-mobile{display:none}}
.topic-share{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:32px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted)}.share-label,.share-status{font-size:11px}.share-label{margin-right:3px}.share-button{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:4px 9px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--muted);font:11px/1.4 system-ui,sans-serif}.share-button:hover{background:var(--soft);color:var(--accent)}.share-status:empty{display:none}@media(max-width:600px){.topic-share{flex-wrap:nowrap;gap:3px;overflow-x:auto;scrollbar-width:none}.topic-share::-webkit-scrollbar{display:none}.share-label{flex:0 0 auto;margin-right:1px;font-size:9px}.share-button{flex:0 0 auto;min-height:30px;padding:3px 5px;border-radius:5px;font-size:9px;line-height:1.2}.share-status{font-size:9px}}
.contact-form{display:grid;gap:16px;margin-top:28px;max-width:560px}.contact-form label{display:grid;gap:5px;font-size:13px}.contact-form input,.contact-form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink);font:inherit}.contact-form textarea{min-height:150px;resize:vertical}.contact-form .btn{justify-self:start}.contact-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.contact-mail{color:var(--accent);text-decoration:underline}.contact-form .meta{margin:0}
dialog{border:1px solid var(--line);border-radius:12px;padding:24px;max-width:min(560px,92vw);width:100%;background:var(--bg);color:var(--ink)}dialog::backdrop{background:#0006}dialog h2{margin:0}

.topic-feedback{display:flex!important;align-items:center;flex-wrap:nowrap!important;gap:6px!important;margin:16px 0!important;overflow-x:auto;scrollbar-width:none;color:var(--muted)}.topic-feedback::-webkit-scrollbar{display:none}.topic-feedback>.topic-share{display:flex;align-items:center;flex:0 0 auto;flex-wrap:nowrap;gap:6px;margin:0;padding:0;border:0;overflow:visible}@media(max-width:600px){.topic-feedback,.topic-feedback>.topic-share{gap:3px!important}}

.categorygrid{grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;max-width:820px}.categorygrid a{min-width:0;padding:8px 10px;border-radius:7px;line-height:1.35}.categorygrid strong{font-size:13px;font-weight:600;white-space:nowrap}.categorygrid span{font-size:10px;white-space:nowrap}@media(max-width:600px){.categorygrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.categorygrid a{padding:8px 10px}.categorygrid strong{font-size:13px}}

.article p{white-space:pre-line}
main{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}main input,main textarea,main select,main [contenteditable="true"]{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}
.error-page{min-height:calc(100vh - 190px);display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:55px 24px 80px;overflow:hidden}.error-orbit{display:flex;align-items:center;justify-content:center;gap:10px;font-size:clamp(72px,14vw,130px);font-weight:800;letter-spacing:-8px;line-height:1;color:var(--ink);margin-bottom:25px}.error-orbit b{display:grid;place-items:center;width:clamp(72px,13vw,118px);height:clamp(72px,13vw,118px);border:2px solid #dbe5f8;border-radius:50%;background:linear-gradient(145deg,var(--soft),var(--bg));color:var(--accent);font-size:.7em;box-shadow:0 18px 50px #2164dc1a;animation:errorFloat 3.8s ease-in-out infinite}.error-page h1{font-size:clamp(30px,5vw,48px);letter-spacing:-1.8px;line-height:1.15;margin:15px 0 12px}.error-page>p{max-width:590px;color:var(--muted);font-size:16px;margin:0}.error-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:28px}.error-compass{display:flex;align-items:center;gap:9px;margin-top:42px;color:var(--muted);font-size:12px}.error-compass i{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 6px #2164dc14}@keyframes errorFloat{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-10px) rotate(3deg)}}@media(prefers-reduced-motion:reduce){.error-orbit b{animation:none}}@media(max-width:600px){.error-page{min-height:calc(100svh - 170px);padding-top:45px}.error-orbit{letter-spacing:-5px;margin-bottom:20px}.error-page>p{font-size:14px}}