/* Sayt dizaynı */
:root{
  --brand:#0f2a4a;--brand-2:#1d4a7a;--accent:#f59e0b;--accent-ink:#2a1a00;
  --bg:#f5f7fa;--surface:#fff;--text:#13202f;--muted:#5d6b7c;--line:#e2e7ee;--line-2:#cfd7e2;
  --rot:#dc2626;--gelb:#e8a400;--gruen:#16a34a;--blau:#2563eb;
  --ok:#15803d;--ok-soft:#e7f6ec;--warn-soft:#fff6e0;--err:#b91c1c;--err-soft:#fdecec;--info-soft:#e8f1fd;
  --r:14px;--r-sm:9px;--sh:0 1px 2px rgba(15,42,74,.05),0 4px 16px rgba(15,42,74,.06);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --brand:#7fb0ea;--brand-2:#a8c9f2;--bg:#0c1420;--surface:#131e2d;--text:#e7edf5;--muted:#9aa8ba;--line:#223246;--line-2:#2d4058;
  --ok-soft:#10301d;--warn-soft:#33270a;--err-soft:#3a1414;--info-soft:#132a47;--sh:0 1px 2px rgba(0,0,0,.3);color-scheme:dark}}
:root[data-theme="dark"]{--brand:#7fb0ea;--brand-2:#a8c9f2;--bg:#0c1420;--surface:#131e2d;--text:#e7edf5;--muted:#9aa8ba;--line:#223246;--line-2:#2d4058;
  --ok-soft:#10301d;--warn-soft:#33270a;--err-soft:#3a1414;--info-soft:#132a47;--sh:0 1px 2px rgba(0,0,0,.3);color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--font)}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-2)}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(26px,4vw,38px)}
h2{font-size:clamp(21px,2.6vw,26px);margin-top:1.6em}
h3{font-size:18px}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.page{padding-top:18px;padding-bottom:48px}
.narrow-page{max-width:820px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;z-index:100;border-radius:8px}
.skip:focus{left:8px}
.muted{color:var(--muted)}.sm{font-size:13px}.r{text-align:right}.nowrap{white-space:nowrap}
.ic{width:20px;height:20px;flex:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:11px 18px;font:600 15px/1.2 var(--font);cursor:pointer;text-decoration:none;transition:filter .15s,transform .05s}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff}
:root[data-theme="dark"] .btn-brand{color:#0c1420}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-brand{color:#0c1420}}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-line{background:transparent;border:1px solid var(--line-2);color:var(--text)}
.btn-danger{background:var(--err);color:#fff}
.btn-sm{padding:7px 12px;font-size:14px}
.btn:hover{filter:brightness(1.06)}

/* Header */
.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.top-in{display:flex;align-items:center;gap:14px;height:64px}
.brand{text-decoration:none;color:var(--text);display:inline-flex}
.logo{display:inline-flex;align-items:center;gap:9px}
.logo svg{flex:none}
.logo-t{font-weight:800;font-size:20px;letter-spacing:-.02em;color:var(--text)}
.logo-t em{font-style:normal;color:var(--accent)}
.nav{display:flex;gap:4px;margin-left:8px}
.nav>a{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:9px;text-decoration:none;color:var(--text);font-weight:600;font-size:15px}
.nav>a:hover{background:var(--bg)}
.nav .ic{width:18px;height:18px;color:var(--muted)}
.nav-cats{display:none}
.top-search{margin-left:auto;display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:0 4px 0 12px;width:280px}
.top-search input{border:0;background:none;font:inherit;font-size:15px;color:var(--text);padding:9px 0;width:100%;outline:none}
.top-search button{border:0;background:none;color:var(--muted);cursor:pointer;padding:6px;display:grid}
.icon-btn{border:0;background:none;color:var(--text);cursor:pointer;width:40px;height:40px;border-radius:10px;display:grid;place-items:center}
.icon-btn:hover{background:var(--bg)}
.menu-btn{display:none}

/* Hero */
.hero{background:linear-gradient(135deg,#0f2a4a 0%,#173d68 60%,#1d4a7a 100%);color:#fff;padding:44px 0 40px}
.hero h1{color:#fff;max-width:760px}
.hero .lead{color:#c9d6e6;max-width:680px}
.lead{font-size:18px;color:var(--muted);margin:0 0 18px}
.code-form{display:flex;gap:8px;max-width:640px;background:var(--surface);border-radius:14px;padding:6px;box-shadow:var(--sh);border:1px solid var(--line)}
.code-form input{flex:1;min-width:0;border:0;background:none;font:inherit;font-size:17px;padding:10px 12px;color:var(--text);outline:none}
.hero-q{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:#c9d6e6}
.hero-q a{color:#fff;background:rgba(255,255,255,.12);padding:4px 10px;border-radius:20px;text-decoration:none}
.hero-q a:hover{background:rgba(255,255,255,.22)}

/* Sections */
.sec{margin-top:40px}
.sec-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px}
.sec-h h2{margin:0}
.sec-h a{display:inline-flex;align-items:center;gap:2px;font-weight:600;text-decoration:none;white-space:nowrap}
.sec-h a .ic{width:16px;height:16px}
.h-sm{font-size:19px;margin:28px 0 12px}

/* Cards */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh)}
.card-img{position:relative;aspect-ratio:16/9;background:var(--bg);display:block;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .card-img img{transform:scale(1.03)}
.card-ph{display:grid;place-items:center;height:100%;color:var(--line-2)}
.card-ph .ic{width:48px;height:48px}
.card-play{position:absolute;right:10px;bottom:10px;width:36px;height:36px;border-radius:50%;background:rgba(0,0,0,.65);color:#fff;display:grid;place-items:center}
.card-play .ic{width:16px;height:16px}
.card-b{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card h3{margin:0;font-size:17px}
.card h3 a{color:var(--text);text-decoration:none}
.card h3 a:hover{color:var(--brand-2);text-decoration:underline}
.card p{margin:0;color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{margin-top:auto;font-size:13px;color:var(--muted)}
.card-big{grid-column:span 2;grid-row:span 2}
.card-big h3{font-size:22px}
.tag{display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--brand-2);background:var(--info-soft);padding:3px 8px;border-radius:6px;text-decoration:none}

/* Warning lights */
.lt-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.lt{min-width:0;display:grid;grid-template-columns:56px 1fr;grid-template-rows:auto 1fr;column-gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;text-decoration:none;color:var(--text);box-shadow:var(--sh);transition:border-color .15s}
.lt:hover{border-color:var(--line-2)}
.lt-sym{grid-row:span 2;width:56px;height:56px;border-radius:12px;background:#0b1220;display:grid;place-items:center}
.lt-n{font-weight:700;font-size:15px;line-height:1.3;overflow-wrap:anywhere;hyphens:auto}
.lt-s{font-size:13px;color:var(--muted);line-height:1.4}
.lt-rot .lt-sym{color:#ff4a3d}.lt-gelb .lt-sym{color:#ffb800}.lt-gruen .lt-sym{color:#22d35f}.lt-blau .lt-sym{color:#3b8bff}
.lt-sym img{width:100%;height:100%;object-fit:contain;border-radius:inherit}
.light-head{display:flex;gap:20px;align-items:center;margin:8px 0 18px}
.lt-sym-big{width:120px;height:120px;border-radius:24px;flex:none}
.badge-c{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:20px;color:#fff;margin-bottom:6px}
.c-rot{color:var(--rot)}.c-gelb{color:var(--gelb)}.c-gruen{color:var(--gruen)}.c-blau{color:var(--blau)}
.badge-c.c-rot{background:var(--rot);color:#fff}.badge-c.c-gelb{background:var(--gelb);color:#2a1a00}.badge-c.c-gruen{background:var(--gruen);color:#fff}.badge-c.c-blau{background:var(--blau);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px}
.chip{border:1px solid var(--line-2);background:var(--surface);color:var(--text);border-radius:20px;padding:6px 14px;font:600 14px var(--font);cursor:pointer}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
:root[data-theme="dark"] .chip.on{color:#0c1420}

/* Codes */
.codes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.code-chip{display:flex;gap:12px;align-items:baseline;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 14px;text-decoration:none;color:var(--text)}
.code-chip b{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--brand-2);flex:none}
.code-chip span{font-size:14px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.code-chip:hover{border-color:var(--line-2)}
.code-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 20px}
.code-list a{display:flex;gap:12px;padding:8px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--text);font-size:15px}
.code-list a b{font-family:ui-monospace,Menlo,Consolas,monospace;min-width:56px;color:var(--muted)}
.code-list a.det b{color:var(--brand-2)}
.code-list a:hover span{text-decoration:underline}
.code-filter input{width:100%;max-width:420px;border:1px solid var(--line-2);border-radius:10px;padding:10px 12px;font:inherit;background:var(--surface);color:var(--text);margin-top:24px}
.explain{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin-top:24px}
.explain h2{margin-top:0;font-size:20px}
.decode{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.decode div{background:var(--bg);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.decode b{font:700 24px ui-monospace,Menlo,Consolas,monospace;color:var(--brand-2)}
.decode span{font-size:13px;color:var(--muted);line-height:1.4}
.decode-row{margin:14px 0 18px}
.code-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:6px 0 6px}
.code-big{font:800 32px ui-monospace,Menlo,Consolas,monospace;background:var(--brand);color:#fff;padding:4px 14px;border-radius:10px}
:root[data-theme="dark"] .code-big{color:#0c1420}
.sev{font-size:13px;font-weight:700;padding:5px 11px;border-radius:20px}
.sev1{background:var(--ok-soft);color:var(--ok)}.sev2{background:var(--warn-soft);color:#9a6700}.sev3{background:var(--err-soft);color:var(--err)}
.list{padding-left:22px}.list li{margin:5px 0}
.note{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:32px}
.cats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.cat{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;text-decoration:none;color:var(--text)}
.cat span{font-size:14px;color:var(--muted)}.cat small{color:var(--brand-2);font-weight:600}
.cat:hover{border-color:var(--line-2)}

/* Boxes */
.box-info,.box-warn,.box-tip,.box-danger{border-radius:12px;padding:14px 16px;margin:16px 0;border-left:4px solid}
.box-info{background:var(--info-soft);border-color:var(--blau)}
.box-warn{background:var(--warn-soft);border-color:var(--gelb)}
.box-tip{background:var(--ok-soft);border-color:var(--ok)}
.box-danger{background:var(--err-soft);border-color:var(--rot)}
.box-info .ic,.box-danger .ic{vertical-align:-4px}

/* Breadcrumbs, pager */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--muted);margin-bottom:12px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--text);text-decoration:underline}
.pager{display:flex;gap:6px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.pager a,.pager span{padding:8px 13px;border-radius:9px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--text)}
.pager span{background:var(--brand);color:#fff;border-color:var(--brand)}
.empty{text-align:center;padding:48px 16px;color:var(--muted)}
.empty .ic{width:44px;height:44px;margin:0 auto 8px}

/* Post */
.post-h{max-width:820px;margin-bottom:18px}
.post-h h1{margin-top:8px}
.meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;color:var(--muted);align-items:center}
.meta .ic{width:16px;height:16px;vertical-align:-3px}
.post-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.post-side{position:sticky;top:84px;display:flex;flex-direction:column;gap:14px}
.side-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.side-box h3{font-size:15px;margin:0 0 10px}
.side-l{display:flex;align-items:center;gap:10px;padding:6px 0;text-decoration:none;color:var(--text);font-size:14px}
.side-l .lt-sym{width:34px;height:34px;border-radius:8px}
.side-c{display:flex;gap:10px;padding:6px 0;text-decoration:none;color:var(--text);font-size:14px;border-top:1px solid var(--line)}
.side-c:first-of-type{border-top:0}
.side-c b{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--brand-2)}
.side-c span{color:var(--muted);line-height:1.4}
.side-search form{display:flex;gap:6px}
.side-search input{flex:1;min-width:0;border:1px solid var(--line-2);border-radius:9px;padding:8px 10px;font:inherit;background:var(--bg);color:var(--text)}
.cover{margin:0 0 20px}.cover img{border-radius:var(--r);width:100%}
.yt{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000;margin-bottom:20px;cursor:pointer}
.yt img{width:100%;height:100%;object-fit:cover;opacity:.85}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:72px;height:50px;border-radius:14px;border:0;background:#e62117;color:#fff;display:grid;place-items:center;cursor:pointer}
.yt-play .ic{width:26px;height:26px}
.yt-note{position:absolute;left:0;right:0;bottom:0;padding:6px 12px;font-size:12px;color:#ddd;background:linear-gradient(transparent,rgba(0,0,0,.7))}
.yt-note a{color:#fff}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 18px;margin:0 0 24px}
.toc summary{font-weight:700;cursor:pointer}
.toc ol{margin:10px 0 4px;padding-left:20px}
.toc li{margin:4px 0}.toc .toc-3{margin-left:16px;font-size:15px;list-style:circle}
.toc a{color:var(--text);text-decoration:none}.toc a:hover,.toc a.on{color:var(--brand-2);text-decoration:underline}
.content{font-size:17.5px;line-height:1.75}
.content h2{margin-top:1.8em}
.content h3{font-size:20px;margin-top:1.5em}
.content p{margin:0 0 1.1em}
.content img{border-radius:12px;margin:8px 0}
.content figure{margin:20px 0}.content figcaption{font-size:14px;color:var(--muted);margin-top:6px}
.content blockquote{margin:20px 0;padding:6px 18px;border-left:4px solid var(--line-2);color:var(--muted);font-style:italic}
.content a{color:var(--brand-2);text-underline-offset:2px}
.content .code-link{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:700;font-size:.92em;background:var(--info-soft);padding:1px 6px;border-radius:6px;text-decoration:none}
.content ul,.content ol{padding-left:24px;margin:0 0 1.1em}.content li{margin:5px 0}
.tbl{overflow-x:auto;margin:16px 0}
.content table,.tbl-a{border-collapse:collapse;width:100%;font-size:15px}
.content th,.content td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.content th{background:var(--bg)}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin:10px 0;padding:0 16px}
.faq summary{font-weight:700;padding:14px 0;cursor:pointer}
.faq details p{margin:0 0 14px;color:var(--text)}
.ad{margin:24px 0;text-align:center;min-height:100px}
.ad-l{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}

/* Comments & forms */
.comments{margin-top:40px;border-top:1px solid var(--line);padding-top:8px}
.cm-list,.cm-list ul{list-style:none;padding:0;margin:0}
.cm-list ul{margin-left:24px;border-left:2px solid var(--line);padding-left:14px}
.cm{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:10px 0}
.cm-admin{border-color:var(--brand-2)}
.cm-h{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:14px}
.cm-h time{color:var(--muted);margin-left:auto}
.cm p{margin:6px 0 0;white-space:pre-line}
.form{display:flex;flex-direction:column;gap:14px}
.form label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:14px}
.form input:not([type=checkbox]):not([type=radio]),.form textarea,.form select{border:1px solid var(--line-2);border-radius:10px;padding:10px 12px;font:400 16px var(--font);background:var(--surface);color:var(--text);width:100%}
.form label.chk,.chk{flex-direction:row;align-items:flex-start;gap:8px;font-weight:400}
.form .btn{align-self:flex-start}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hp{position:absolute;left:-5000px}
.flash{padding:12px 16px;border-radius:10px;margin:0 0 16px}
.flash-ok{background:var(--ok-soft);color:var(--ok)}.flash-err{background:var(--err-soft);color:var(--err)}.flash-warn{background:var(--warn-soft);color:#7a5200}

/* Footer */
.foot{background:var(--surface);border-top:1px solid var(--line);margin-top:56px;padding-top:36px}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
.foot h3{font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.foot a:not(.brand){display:block;color:var(--text);text-decoration:none;padding:3px 0;font-size:15px}
.foot a:hover{text-decoration:underline}
.foot-b{border-top:1px solid var(--line);margin-top:28px;padding:16px;font-size:13px;color:var(--muted);text-align:center}
.err-page{text-align:center;padding-top:60px;max-width:640px}
.err-code{font:800 72px ui-monospace,monospace;color:var(--accent)}
.err-page .code-form{margin:20px auto}

/* Responsive */
@media (max-width:1060px){
  .top-search{width:200px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lt-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .post-grid{grid-template-columns:minmax(0,1fr)}
  .post-side{position:static}
}
@media (max-width:860px){
  .menu-btn{display:grid}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 16px 16px;margin:0;box-shadow:var(--sh)}
  .nav.open{display:flex}
  .nav-cats{display:flex;flex-direction:column;border-top:1px solid var(--line);margin-top:6px;padding-top:6px}
  .nav-cats a{padding:8px 12px;color:var(--text);text-decoration:none}
  .top-search{display:none}
  .theme-btn{margin-left:auto}
  .grid,.codes,.cats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-big{grid-column:span 2;grid-row:auto}
  .foot-in{grid-template-columns:1fr 1fr}
  .decode{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:600px){
  body{font-size:15.5px}
  .hero{padding:28px 0}
  .lead{font-size:16px}
  .code-form .btn span{display:none}
  .grid,.grid-2,.grid-4,.codes,.cats,.code-list,.row2,.row3{grid-template-columns:minmax(0,1fr)}
  .card-big{grid-column:auto}
  .lt-grid{grid-template-columns:minmax(0,1fr)}
  .content{font-size:16.5px}
  .light-head{flex-direction:column;align-items:flex-start}
  .foot-in{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.foot-counter{display:flex;justify-content:center;gap:8px;padding:12px 16px 0}