:root{--f-bg:#f3f7fc;--f-card:#fff;--f-ink:#172344;--f-muted:#667895;--f-line:#e0e8f4;--f-blue:#1762ff;--f-soft:#edf3ff;--f-shadow:0 8px 25px #284d9210;color-scheme:light}html[data-theme=dark]{--f-bg:#0f1726;--f-card:#182439;--f-ink:#edf3ff;--f-muted:#a5b5ce;--f-line:#30435f;--f-blue:#9abaff;--f-soft:#263a59;--f-shadow:none;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--f-bg);color:var(--f-ink);font:14px/1.6 system-ui,sans-serif}a{color:var(--f-blue);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button,.f-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;border:1px solid var(--f-line);border-radius:9px;background:var(--f-card);color:var(--f-ink);cursor:pointer;text-decoration:none;font-weight:650}button:disabled{opacity:.5;cursor:wait}.f-primary{background:#1762ff!important;border-color:#1762ff!important;color:#fff!important}.f-danger{color:#ce2b45}.f-shell{max-width:1600px;margin:auto;padding:20px 24px 50px}.f-hero{border-radius:20px;padding:30px;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;background:radial-gradient(ellipse at 90% 10%,#bcb7ff 0%,transparent 50%),linear-gradient(115deg,#0b1634,#284d85 70%,#b2dcff);color:#fff;margin-bottom:22px}.f-eyebrow{font-size:10px;letter-spacing:2.5px;color:#bad6ff;font-weight:800}.f-hero h1{font-size:clamp(30px,3.4vw,49px);line-height:1.2;letter-spacing:-1.7px;margin:8px 0}.f-hero h1 span{color:#74d2ff}.f-hero p{margin:10px 0 20px;color:#e0edff}.f-search{display:flex;gap:8px;min-width:0}.f-search input{flex:1;min-width:0}.f-hero .f-search input{background:#fff;color:#172344}.f-perks{display:flex;gap:20px;flex-wrap:wrap;font-size:12px;margin-top:18px}.f-hero-side{display:flex;flex-direction:column;justify-content:space-between;align-items:end;gap:25px}.f-stats{display:grid;grid-template-columns:repeat(4,1fr);background:#ffffffcf;color:#172344;border-radius:14px;gap:20px;padding:20px;width:100%}.f-stats b{display:block;font-size:23px;line-height:1.1}.f-stats span{font-size:10px;display:block;margin-top:6px}.f-layout{display:grid;grid-template-columns:225px minmax(0,1fr) 270px;gap:20px;align-items:start}.f-panel{border:1px solid var(--f-line);border-radius:14px;background:var(--f-card);box-shadow:var(--f-shadow);padding:20px;margin-bottom:18px;min-width:0}.f-panel h2{font-size:17px;line-height:1.4;margin:0 0 16px}.f-category{display:flex;flex-direction:column;gap:3px}.f-category a{display:flex;justify-content:space-between;gap:8px;align-items:center;padding:9px 10px;border-radius:8px;color:var(--f-ink);font-size:12px}.f-category [aria-current=page]{background:var(--f-soft);color:var(--f-blue);font-weight:700}.f-category small{padding:1px 7px;background:var(--f-soft);border-radius:20px;color:var(--f-muted)}hr{border:0;border-top:1px solid var(--f-line);margin:15px 0}.f-join{background:linear-gradient(135deg,#3eabfb,#6447ff);padding:24px;border-radius:14px;color:#fff}.f-join h2{font-size:20px;margin-top:0}.f-join p{font-size:13px}.f-join a{width:100%;color:#254776}.f-tabs{display:flex;gap:18px;overflow:auto;padding-bottom:8px}.f-tabs a{padding:7px 0;white-space:nowrap;font-size:12px;color:var(--f-muted);border-bottom:2px solid transparent}.f-tabs [aria-current=page]{color:var(--f-blue);border-color:var(--f-blue);font-weight:750}.f-muted{color:var(--f-muted);font-size:12px}.f-guide-note{font-size:11px;color:var(--f-muted);background:var(--f-soft);border-radius:8px;padding:10px 12px;margin-bottom:0}.f-question{display:flex;gap:16px;padding:23px 17px;background:var(--f-card);border:1px solid var(--f-line);border-radius:12px;margin-bottom:10px}.f-question.solved{border-inline-start:3px solid #45b58d}.f-votes{flex:0 0 50px;display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--f-muted)}.f-votes b{font-size:20px;color:var(--f-ink)}.f-votes small{font-size:10px}.f-question-content{flex:1;min-width:0}.f-question h2{font-size:16px;line-height:1.45;margin:8px 0}.f-question h2 a{color:var(--f-ink)}.f-question p{font-size:12px;color:var(--f-muted);margin:6px 0 13px}.f-meta,.f-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.f-meta{font-size:10px;color:var(--f-muted)}.f-meta time{white-space:nowrap}.f-avatar{width:27px;height:27px;border-radius:50%;display:inline-grid;place-items:center;flex-shrink:0;background:linear-gradient(145deg,#e1eaff,#cdc5ff);color:#365288;font-size:12px;font-weight:750}.f-author{display:inline-flex;align-items:center;gap:7px;color:var(--f-muted)}.f-badge,.f-tag{padding:2px 7px;border-radius:5px;font-size:10px;background:#def7ea;color:#267a56;white-space:nowrap}.f-tag{background:var(--f-soft);color:var(--f-blue)}.f-badge.demo{background:var(--f-soft);color:var(--f-muted)}.f-badge.admin{background:#e8e2ff;color:#6652bc}.f-tool-icon{flex:0 0 55px;width:55px;height:65px;background:var(--f-soft);color:var(--f-blue);font-size:30px;display:grid;place-items:center;border-radius:10px;margin-top:20px}.f-person{display:flex;align-items:center;gap:10px;padding:12px 0;color:var(--f-ink)}.f-person small,.f-right small{display:block;font-size:11px;color:var(--f-muted)}.f-person b{font-size:12px}.f-rank{color:var(--f-muted);font-size:12px}.f-tags{display:flex;gap:6px;flex-wrap:wrap}.f-tags a{font-size:11px;padding:5px 8px;border-radius:7px;background:var(--f-soft)}.f-notice{padding:14px 20px;border-radius:10px;background:#dff5ec;color:#216c53;margin-bottom:20px}.f-notice.error{background:#ffe6eb;color:#9b2941}.f-prose{white-space:normal;overflow-wrap:anywhere;line-height:1.85;margin:22px 0;font-size:14px}.f-content .f-topic-title{font-size:26px;line-height:1.35;letter-spacing:-.4px}.f-content details,.f-answer details{margin-top:18px;color:var(--f-muted);font-size:12px}.f-content summary,.f-answer summary{cursor:pointer}.f-inline{display:inline-block;max-width:100%}.f-inline:has(textarea),.f-inline:has(label:not(.f-check)){display:block}.f-answer{padding:22px 0;border-top:1px solid var(--f-line)}.f-answer.best{background:var(--f-soft);padding:20px;border-radius:10px;border:0;margin:15px 0}.f-pagination{display:flex;justify-content:center;gap:20px;align-items:center;padding:20px 0}.f-pagination span{color:var(--f-muted)}label{display:block;font-size:12px;font-weight:650;color:var(--f-muted);margin:16px 0}input,textarea,select{display:block;width:100%;min-width:0;padding:11px;border:1px solid var(--f-line);border-radius:8px;background:var(--f-card);color:var(--f-ink);margin-top:5px}textarea{resize:vertical}input[type=checkbox]{display:inline-block;width:auto;margin:0}.f-check{display:flex;align-items:center;gap:9px}.f-row select{width:auto}.f-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.f-admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.f-admin-stats article{padding:15px;background:var(--f-soft);border-radius:8px}.f-admin-stats b{display:block;font-size:25px}.f-admin-stats span{font-size:11px}.f-admin-row{padding:18px 0;border-bottom:1px solid var(--f-line);overflow-wrap:anywhere}.f-admin-row p{font-size:12px;color:var(--f-muted)}.f-admin-row small{color:var(--f-muted)}.f-table{overflow:auto;margin:20px 0}table{width:100%;border-collapse:collapse;text-align:start;font-size:12px}th,td{padding:12px 8px;border-bottom:1px solid var(--f-line);vertical-align:top}td small{display:block;color:var(--f-muted);margin-top:5px}.f-mobile-nav{display:none}:focus-visible{outline:3px solid #84a8ff;outline-offset:3px}@media(min-width:1500px){.f-layout{grid-template-columns:235px minmax(0,1fr) 290px}}@media(max-width:1200px){.f-layout{grid-template-columns:200px minmax(0,1fr)}.f-right{display:none}.f-hero{grid-template-columns:1fr 1fr}.f-stats{gap:12px;padding:14px}.f-panel{padding:17px}}@media(max-width:760px){.f-shell{padding:12px 12px 80px}.f-layout{display:block}.f-left .f-panel{padding:12px}.f-left .f-category:first-of-type{flex-direction:row;overflow:auto}.f-left .f-category:first-of-type a{white-space:nowrap;flex-shrink:0}.f-left .f-panel h2,.f-left hr,.f-left .f-category:last-of-type,.f-join{display:none}.f-hero{display:block;padding:22px 18px;border-radius:14px}.f-hero h1{font-size:29px}.f-hero-side{align-items:stretch;margin-top:20px;gap:14px}.f-perks{gap:12px;font-size:10px}.f-stats{gap:8px}.f-stats b{font-size:20px}.f-stats span{font-size:9px}.f-question{padding:17px 12px;gap:10px}.f-question h2{font-size:15px}.f-votes{flex-basis:35px}.f-tool-icon{display:none}.f-meta{gap:7px}.f-badge{font-size:9px}.f-panel{padding:17px 14px}.f-content .f-topic-title{font-size:22px}.f-mobile-nav{position:fixed;bottom:0;inset-inline:0;z-index:9999;display:flex;justify-content:space-around;background:var(--f-card);border-top:1px solid var(--f-line);padding:8px 5px max(8px,env(safe-area-inset-bottom))}.f-mobile-nav a{display:flex;flex-direction:column;align-items:center;color:var(--f-muted);font-size:20px;line-height:1.25}.f-mobile-nav span{font-size:9px}.f-mobile-nav .ask{color:var(--f-blue)}.f-admin-stats{grid-template-columns:1fr 1fr}.f-search select{max-width:95px}.f-search{flex-wrap:wrap}.f-search input{min-width:120px}.f-inline{margin-top:5px}}@media print{.pg195-header,.pg195-footer,.f-left,.f-right,.f-hero,.f-mobile-nav,.f-row,.f-content details,.f-answer details,form,.f-pagination{display:none!important}.f-layout{display:block}.f-shell{padding:0}.f-panel{box-shadow:none;border:0}.f-question{break-inside:avoid}}