/* MixerAI Knowledge Base — self-contained styles (does not touch /style.css).
   Dark theme consistent with the app + legal pages. Vanilla, no build step. */
:root{
  --bg:#0b0f13; --bg-soft:#10151b; --card:rgba(255,255,255,.035);
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.14);
  --tx:#e7edf3; --tx-dim:#aeb9c4; --tx-mut:#6f7b87;
  --accent:#5ec8e0; --accent-2:#7af0c6; --coin:#ffce54;
  --r:14px; --maxw:880px;
}
/* light theme — mirrors the app's day mode (toggle shared via localStorage "mixer_theme") */
html[data-theme="light"]{
  --bg:#eef4f8; --bg-soft:#ffffff; --card:rgba(8,30,42,.04);
  --line:rgba(8,30,42,.12); --line-2:rgba(8,30,42,.2);
  --tx:#13242e; --tx-dim:#3a4d59; --tx-mut:#6b7b86;
  --accent:#1996b4; --accent-2:#129e78; --coin:#e0991a;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--tx);
  font-family:Manrope,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-image:radial-gradient(1200px 600px at 80% -10%,rgba(94,200,224,.10),transparent 60%),
                   radial-gradient(900px 500px at -10% 10%,rgba(122,240,198,.06),transparent 55%);
}
html[data-theme="light"] body{
  background-image:radial-gradient(1200px 600px at 80% -10%,rgba(25,150,180,.12),transparent 60%),
                   radial-gradient(900px 500px at -10% 10%,rgba(18,158,120,.08),transparent 55%);
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* top bar */
.kb-top{position:sticky;top:0;z-index:20;backdrop-filter:blur(10px);
  background:rgba(11,15,19,.72);border-bottom:1px solid var(--line)}
.kb-top .wrap{display:flex;align-items:center;gap:14px;height:58px}
.kb-brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--tx);font-size:1.05rem}
.kb-brand img{width:26px;height:26px;border-radius:7px}
.kb-brand b{color:var(--accent)}
.kb-top-sp{flex:1}
.kb-cta{display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:999px;
  font-weight:700;font-size:.9rem;color:#06222a;background:linear-gradient(180deg,var(--accent),#3fb6d2);
  border:none;box-shadow:0 6px 18px -8px rgba(94,200,224,.7)}
.kb-cta:hover{text-decoration:none;filter:brightness(1.06)}
.kb-cta-arrow{width:16px;height:16px;object-fit:contain;flex:none}
.kb-cta-block{margin-top:8px;padding:11px 20px;font-size:.98rem}
/* ── language button + theme toggle: replicated from the app (style.css) ── */
.kb-switch{display:flex;align-items:center;gap:8px;position:relative}
.foot-btn{height:38px;min-width:46px;padding:0 9px;border-radius:11px;border:1px solid var(--line);
  background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;color:var(--tx)}
.foot-btn:hover{border-color:var(--line-2)}
.foot-btn .flag{width:22px;height:22px;object-fit:contain;border-radius:3px}
.foot-btn .chev{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:5px solid var(--tx-mut)}
/* language dropdown */
.kb-langmenu{position:absolute;top:46px;right:0;z-index:40;min-width:190px;padding:6px;
  background:var(--bg-soft);border:1px solid var(--line-2);border-radius:14px;
  box-shadow:0 18px 40px -12px rgba(0,0,0,.5);display:none;flex-direction:column;gap:2px}
.kb-langmenu.open{display:flex}
.model-row{display:flex;align-items:center;gap:11px;width:100%;padding:9px 11px;border-radius:12px;
  border:1px solid transparent;background:none;cursor:pointer;color:var(--tx);font:inherit;text-decoration:none}
.model-row:hover{background:var(--card);text-decoration:none}
.model-row.sel{background:color-mix(in srgb,var(--accent) 15%,transparent);
  border-color:color-mix(in srgb,var(--accent) 42%,transparent)}
.model-row .flag{width:28px;height:21px;object-fit:contain;border-radius:3px;flex:0 0 auto}
.model-row .mr-name{flex:1;min-width:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ── day/night toggle — copied verbatim from app style.css ── */
.tt{position:relative;width:64px;height:34px;border-radius:99px;cursor:pointer;border:none;padding:0;
  overflow:hidden;flex-shrink:0;transition:background .5s cubic-bezier(.4,0,.2,1)}
.tt.tt-dark {background:linear-gradient(140deg,#06111a 0%,#0b2535 45%,#0f3448 100%)}
.tt.tt-light{background:linear-gradient(140deg,#28b7d2 0%,#6dd5e8 45%,#b8eef6 100%)}
.tt:hover{filter:brightness(1.09)}
.tt-knob{position:absolute;top:4px;width:26px;height:26px;border-radius:50%;
  transition:left .46s cubic-bezier(.35,0,.2,1.1),background .46s,box-shadow .46s;pointer-events:none;z-index:3}
.tt.tt-dark .tt-knob{left:34px;background:radial-gradient(circle at 34% 32%,#ffffff,#d4eeff);
  box-shadow:0 0 12px 3px rgba(40,183,210,.65),0 0 4px rgba(159,224,230,.9),inset -3px -2px 5px rgba(70,140,190,.3)}
.tt.tt-light .tt-knob{left:4px;background:radial-gradient(circle at 36% 34%,#fff9c4,#ffd93d 55%,#ffb300);
  box-shadow:0 0 14px 4px rgba(255,200,0,.75),0 0 6px rgba(255,140,0,.55)}
.tt-stars{position:absolute;left:0;top:0;width:34px;height:100%;pointer-events:none;z-index:2;transition:opacity .35s}
.tt-stars::before,.tt-stars::after{content:'✦';position:absolute;color:#9fe0e6;font-size:8px;line-height:1;
  text-shadow:0 0 6px rgba(40,183,210,.9)}
.tt-stars::before{top:5px;left:8px;font-size:7px}
.tt-stars::after{top:17px;left:19px;font-size:9px}
.tt.tt-light .tt-stars{opacity:0}
.tt.tt-dark .tt-stars{opacity:1}
.tt-c1,.tt-c2{position:absolute;pointer-events:none;z-index:2;border-radius:99px;transition:opacity .4s}
.tt-c1{right:5px;bottom:6px;width:22px;height:9px}
.tt-c1::before,.tt-c1::after{content:'';position:absolute;border-radius:50%}
.tt-c1::before{width:12px;height:12px;top:-8px;left:3px}
.tt-c1::after{width:9px;height:9px;top:-5px;left:12px}
.tt-c2{right:15px;bottom:11px;width:15px;height:6px}
.tt-c2::before,.tt-c2::after{content:'';position:absolute;border-radius:50%}
.tt-c2::before{width:9px;height:9px;top:-6px;left:2px}
.tt-c2::after{width:6px;height:6px;top:-4px;left:9px}
.tt.tt-dark .tt-c1,.tt.tt-dark .tt-c2{opacity:.55}
.tt.tt-dark .tt-c1,.tt.tt-dark .tt-c1::before,.tt.tt-dark .tt-c1::after,
.tt.tt-dark .tt-c2,.tt.tt-dark .tt-c2::before,.tt.tt-dark .tt-c2::after{background:rgba(100,180,220,.22)}
.tt.tt-light .tt-c1,.tt.tt-light .tt-c2{opacity:1}
.tt.tt-light .tt-c1,.tt.tt-light .tt-c1::before,.tt.tt-light .tt-c1::after{background:rgba(255,255,255,.88)}
.tt.tt-light .tt-c2,.tt.tt-light .tt-c2::before,.tt.tt-light .tt-c2::after{background:rgba(255,255,255,.65)}

/* breadcrumb */
.kb-crumb{font-size:.82rem;color:var(--tx-mut);padding:18px 0 0}
.kb-crumb a{color:var(--tx-dim)}
.kb-crumb span{color:var(--tx-mut)}

/* hero */
.kb-hero{padding:14px 0 8px}
.kb-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;color:var(--accent-2);
  background:rgba(122,240,198,.08);border:1px solid rgba(122,240,198,.2);padding:5px 11px;border-radius:999px}
.kb-eyebrow img{width:16px;height:16px}
h1{font-family:"Bricolage Grotesque",Manrope,sans-serif;font-weight:800;
  font-size:clamp(1.9rem,5vw,2.7rem);line-height:1.1;margin:14px 0 10px;letter-spacing:-.01em}
h1 .ac{color:var(--accent)}
.kb-lead{font-size:1.1rem;color:var(--tx-dim);margin:0 0 18px;max-width:62ch}

/* chips */
.kb-chips{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 8px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:11px;
  background:var(--card);border:1px solid var(--line);font-size:.86rem;color:var(--tx-dim)}
.chip b{color:var(--tx)}
.chip .coin{color:var(--coin);font-weight:800}
.chip img{width:15px;height:15px}

/* sections */
section{padding:26px 0;border-top:1px solid var(--line);margin-top:8px}
section:first-of-type{border-top:none}
h2{font-family:"Bricolage Grotesque",Manrope,sans-serif;font-weight:700;font-size:1.42rem;margin:0 0 12px;letter-spacing:-.01em}
h3{font-size:1.05rem;margin:18px 0 6px}
p{margin:0 0 12px;color:var(--tx-dim)}
.kb-body p{max-width:66ch}
ul.kb-list{margin:0;padding:0;list-style:none;display:grid;gap:9px}
ul.kb-list li{position:relative;padding-left:26px;color:var(--tx-dim)}
ul.kb-list li::before{content:"";position:absolute;left:4px;top:9px;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2))}

/* specs table */
.kb-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.kb-table th,.kb-table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:top}
.kb-table th{width:38%;color:var(--tx-mut);font-weight:600;background:rgba(255,255,255,.02)}
.kb-table td{color:var(--tx)}
.kb-table tr:last-child th,.kb-table tr:last-child td{border-bottom:none}
.kb-yes{color:var(--accent-2);font-weight:700}
.kb-no{color:var(--tx-mut)}

/* price cards */
.kb-price-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:11px}
.kb-price{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 15px}
.kb-price .nm{font-weight:700;color:var(--tx);font-size:.95rem}
.kb-price .pr{font-size:1.25rem;font-weight:800;color:var(--coin);margin-top:4px;display:flex;align-items:center;gap:6px}
.kb-price .pr img{width:18px;height:18px}
.kb-price .nt{font-size:.8rem;color:var(--tx-mut);margin-top:4px}

/* steps */
.kb-steps{display:grid;gap:12px;counter-reset:s}
.kb-step{display:flex;gap:13px;align-items:flex-start}
.kb-step::before{counter-increment:s;content:counter(s);flex:none;width:30px;height:30px;border-radius:9px;
  display:grid;place-items:center;font-weight:800;color:#06222a;background:linear-gradient(180deg,var(--accent),#3fb6d2)}
.kb-step div{color:var(--tx-dim)}
.kb-step b{color:var(--tx)}

/* faq */
.kb-faq details{border:1px solid var(--line);border-radius:12px;padding:2px 16px;margin-bottom:10px;background:var(--card)}
.kb-faq summary{cursor:pointer;font-weight:700;color:var(--tx);padding:13px 0;list-style:none}
.kb-faq summary::-webkit-details-marker{display:none}
.kb-faq summary::after{content:"+";float:right;color:var(--accent);font-weight:800}
.kb-faq details[open] summary::after{content:"–"}
.kb-faq details p{margin:0 0 14px}

/* related */
.kb-rel{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:11px}
.kb-rel a{display:flex;align-items:center;gap:11px;padding:12px 14px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);color:var(--tx);transition:border-color .15s,transform .15s}
.kb-rel a:hover{text-decoration:none;border-color:var(--line-2);transform:translateY(-2px)}
.kb-rel img{width:30px;height:30px;border-radius:8px}
.kb-rel .t{font-weight:700;font-size:.92rem}
.kb-rel .s{font-size:.76rem;color:var(--tx-mut)}

/* callout */
.kb-callout{background:linear-gradient(135deg,rgba(94,200,224,.10),rgba(122,240,198,.06));
  border:1px solid rgba(94,200,224,.22);border-radius:var(--r);padding:18px 20px;margin-top:6px}
.kb-callout b{color:var(--tx)}

/* hero media (first-party sample) */
.kb-media{margin-top:18px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--bg-soft);max-width:560px}
.kb-media img,.kb-media video{display:block;width:100%;height:auto;max-height:420px;object-fit:cover}
.kb-media-cap{font-size:.78rem;color:var(--tx-mut);margin-top:7px;max-width:560px}
.kb-media-cap a{color:var(--tx-dim)}

/* card grids (category + hub) */
.kb-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:13px}
.kb-card{display:flex;align-items:flex-start;gap:13px;padding:15px 16px;border-radius:14px;
  background:var(--card);border:1px solid var(--line);color:var(--tx);transition:border-color .15s,transform .15s}
.kb-card:hover{text-decoration:none;border-color:var(--line-2);transform:translateY(-2px)}
.kb-card img{width:38px;height:38px;border-radius:9px;flex:none}
.kb-card .kb-card-b .t{font-weight:700;font-size:1rem;margin-bottom:3px}
.kb-card .kb-card-b .s{font-size:.85rem;color:var(--tx-mut);line-height:1.45}
.kb-cats{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.kb-catcard{padding:20px;align-items:center}
.kb-catcard .t{font-size:1.25rem;font-family:"Bricolage Grotesque",Manrope,sans-serif}
/* тематические эмодзи у гайдов (вместо общего file.png) */
.kb-emoji{width:38px;height:38px;flex:none;display:flex;align-items:center;justify-content:center;font-size:24px;line-height:1;
  border-radius:9px;background:color-mix(in srgb,var(--accent) 12%,transparent)}
/* построчный список гайдов — длинные названия не переносятся криво */
.kb-list{grid-template-columns:1fr;gap:9px}
.kb-list .kb-card{align-items:center;padding:13px 16px}
.kb-list .kb-card .t{font-weight:600;font-size:.98rem;margin-bottom:0}

/* footer */
.kb-foot{border-top:1px solid var(--line);margin-top:30px;padding:26px 0 50px;color:var(--tx-mut);font-size:.85rem}
.kb-foot a{color:var(--tx-dim)}
.kb-foot .row{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:10px}

@media(max-width:560px){
  .kb-table th{width:46%}
  .kb-cta span.lbl{display:none}
}