@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400-0.woff2') format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400-1.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400-2.woff2') format('woff2');unicode-range:U+1F00-1FFF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400-3.woff2') format('woff2');unicode-range:U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400-4.woff2') format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400-5.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400-6.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500-7.woff2') format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500-8.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500-9.woff2') format('woff2');unicode-range:U+1F00-1FFF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500-10.woff2') format('woff2');unicode-range:U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500-11.woff2') format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500-12.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500-13.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600-14.woff2') format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600-15.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600-16.woff2') format('woff2');unicode-range:U+1F00-1FFF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600-17.woff2') format('woff2');unicode-range:U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600-18.woff2') format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600-19.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600-20.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700-21.woff2') format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700-22.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700-23.woff2') format('woff2');unicode-range:U+1F00-1FFF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700-24.woff2') format('woff2');unicode-range:U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700-25.woff2') format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700-26.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700-27.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}/* ==================== NOTION UI — дизайн-система платформы ==================== */
/* Токены сняты с notion-ui.vercel.app. Светлая + тёмная тема через data-theme. */
:root{
  --bg:#ffffff; --sidebar:#fbfbfa; --text:#37352f; --head:#2b2926; --muted:#787774;
  --line:rgba(50,48,44,.12); --hover:rgba(0,0,0,.045); --active:rgba(0,0,0,.06);
  --accent:#2383e2; --accent-ink:#2383e2; --accent-soft:rgba(35,131,226,.10);
  --card:#ffffff; --card-hover:#fbfbfa; --code-bg:#f4f3f1; --bullet:#b9b7b1;
  --box-grey:#f1f1ef; --box-yellow:#faf3dd; --box-blue:#e9f3f7; --box-green:#eef3ed; --box-red:#faecec; --box-purple:#f6f3f8;
  --ru:#2f9e57; --west:#2383e2;
  --shadow:0 12px 32px rgba(15,15,15,.08);
  --radius:16px; --maxw:720px;
}
html[data-theme="dark"]{
  --bg:#191919; --sidebar:#202020; --text:#d4d4d4; --head:#ffffff; --muted:#9b9b9b;
  --line:rgba(255,255,255,.094); --hover:rgba(255,255,255,.055); --active:rgba(255,255,255,.08);
  --accent:#4a9eff; --accent-ink:#5aa9ff; --accent-soft:rgba(74,158,255,.15);
  --card:#1e1e1e; --card-hover:#242424; --code-bg:#0d0d0d; --bullet:#6a6a68;
  --box-grey:#252525; --box-yellow:#372e20; --box-blue:#1f282d; --box-green:#242b26; --box-red:#332523; --box-purple:#2a2430;
  --ru:#4ecb71; --west:#5aa9ff;
  --shadow:0 12px 32px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:var(--accent);text-decoration:none}
img{max-width:100%}

/* ===================== APP SHELL ===================== */
.app{display:flex;min-height:100vh}
.sidebar{width:260px;flex:none;position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:16px 12px}
.brand{display:flex;align-items:center;gap:9px;padding:6px 8px 14px;color:var(--head)}
.brand-ic{width:26px;height:26px;flex:none;display:flex;align-items:center;justify-content:center;color:var(--head)}
.brand-ic .ic{width:22px;height:22px}
.brand-txt{font-size:15px;font-weight:600;line-height:1.2;letter-spacing:-.01em;color:var(--head)}
.brand-txt small{display:none}
.side-cap,.side-cap-top{font-size:12px;font-weight:600;letter-spacing:.01em;color:var(--head);margin:6px 0 6px;padding-left:8px}
.side-cap-top{margin-top:4px}
.side-nav{display:flex;flex-direction:column;gap:1px;flex:1}
.side-item{display:flex;align-items:center;gap:11px;padding:7px 8px;border-radius:10px;color:var(--muted);transition:background .12s}
.side-item:hover{background:var(--hover);text-decoration:none}
.side-item.cur{background:var(--active);color:var(--head)}
.si-num{font-size:11px;font-weight:600;color:var(--muted);background:var(--active);border-radius:6px;min-width:22px;height:22px;display:flex;align-items:center;justify-content:center;flex:none;font-variant-numeric:tabular-nums}
.side-item.cur .si-num{background:var(--accent);color:#fff}
.si-txt{display:flex;flex-direction:column;line-height:1.22;min-width:0}
.si-txt b{font-weight:500;font-size:14px;color:inherit}
.side-item.cur .si-txt b{font-weight:600;color:var(--head)}
.si-txt span{font-size:12px;color:var(--muted)}
.side-item.has-child{gap:4px;padding-right:5px}
.si-link{display:flex;align-items:center;gap:11px;flex:1;min-width:0;color:inherit;padding:0}
.si-link:hover{text-decoration:none}
.si-chev{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:2px 7px;line-height:1;transition:transform .18s;flex:none}
.side-group.open .si-chev{transform:rotate(90deg);color:var(--head)}
.side-sub{display:flex;flex-direction:column;gap:1px;margin:2px 0 6px 16px;padding-left:10px;border-left:1px solid var(--line)}
.side-group>.side-sub{display:none}
.side-group.open>.side-sub{display:flex}
.side-sub-item{display:flex;align-items:center;gap:8px;padding:6px 9px;border-radius:8px;color:var(--muted);font-size:13px;font-weight:400;transition:.12s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-sub-item:hover{background:var(--hover);color:var(--text);text-decoration:none}
.side-sub-item.cur{background:var(--active);color:var(--head);font-weight:500}
.ss-ico{font-size:14px;flex:none;display:flex;align-items:center;justify-content:center}
.side-foot{padding:14px 8px 6px;border-top:1px solid var(--line);margin-top:12px}
.prog{padding:2px 6px}
.prog-cap{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-bottom:8px}
.prog-bar{height:5px;background:var(--active);border-radius:4px;overflow:hidden}
.prog-bar i{display:block;height:100%;width:0;background:var(--accent);border-radius:4px;transition:width .45s cubic-bezier(.4,0,.2,1)}
.side-links{display:flex;flex-direction:column;gap:1px;margin-top:2px}
.side-links a{color:var(--muted);font-size:13px;padding:4px 8px;border-radius:8px;transition:.12s;width:fit-content}
.side-links a:hover{color:var(--text);background:var(--hover);text-decoration:none}

/* ===================== TOPBAR ===================== */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar2{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;height:53px;padding:0 24px;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar2 .burger{display:none;background:none;border:none;color:var(--text);font-size:21px;line-height:1;cursor:pointer;padding:4px 8px;border-radius:8px;margin-left:-6px}
.topbar2 .burger:hover{background:var(--hover)}
.crumbs{flex:1;min-width:0;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:400;color:var(--muted);overflow:hidden}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--text);text-decoration:none}
.crumbs i{color:var(--muted);font-style:normal}
.crumbs span{color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.theme-tog{background:none;border:none;color:var(--muted);cursor:pointer;font-size:17px;width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:.13s;flex:none}
.theme-tog:hover{background:var(--hover);color:var(--text)}
.theme-tog svg{width:18px;height:18px}
.login-theme{position:fixed;top:16px;right:16px;z-index:10}
.btn-login{flex:none;background:var(--accent);color:#fff;font-size:14px;font-weight:500;padding:7px 16px;border-radius:8px;transition:.14s;white-space:nowrap}
.btn-login:hover{filter:brightness(1.06);text-decoration:none;color:#fff}
.scrim{display:none}

/* ===================== CONTENT ===================== */
.wrap{max-width:var(--maxw);margin:0 auto;padding:40px 40px 96px}
.hero{margin:0 0 24px}
.hero .kicker{color:var(--accent);font-weight:600;letter-spacing:.03em;text-transform:uppercase;font-size:12.5px}
.hero h1{font-size:32px;font-weight:600;line-height:1.2;margin:8px 0 8px;letter-spacing:-.015em;color:var(--head)}
.hero p.lead{font-size:17px;color:var(--muted);margin:0;line-height:1.5}
h2{font-size:24px;font-weight:600;margin:40px 0 8px;letter-spacing:-.01em;line-height:1.3;color:var(--head)}
h3{font-size:18.5px;font-weight:600;margin:24px 0 8px;line-height:1.35;color:var(--head)}
h4{font-size:15px;margin:20px 0 4px;color:var(--muted);font-weight:600}
p{margin:16px 0;color:var(--text)}
strong{font-weight:600}
hr{border:none;border-top:1px solid var(--line);margin:32px 0}
/* списки: спокойный нейтральный маркер, у emoji-списков без точки */
ul{list-style:none;margin:12px 0;padding:0}
ul li{position:relative;padding-left:24px;margin:8px 0;color:var(--text)}
ul li::before{content:"";position:absolute;left:6px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--bullet)}
ol{margin:12px 0;padding-left:24px}
ol li{margin:8px 0;padding-left:4px;color:var(--text)}
ol li::marker{color:var(--muted);font-weight:600}
.wrap a{color:var(--accent)}
.wrap p a:hover,.wrap li a:hover,.callout .body a:hover{text-decoration:underline}
blockquote{margin:16px 0;padding:4px 16px;border-left:3px solid var(--accent);color:var(--muted)}
code{background:var(--code-bg);color:var(--text);border:1px solid var(--line);padding:2px 7px;border-radius:6px;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:.88em;word-break:break-all}

/* callouts */
.callout{display:flex;gap:12px;padding:16px;border-radius:10px;margin:16px 0;background:var(--box-grey)}
.callout .ico{font-size:19px;line-height:1.45;flex:none}
.callout .body{flex:1}
.callout .body :first-child{margin-top:0}
.callout .body :last-child{margin-bottom:0}
.callout .body p{margin:8px 0}
.callout.grey{background:var(--box-grey)}
.callout.yellow{background:var(--box-yellow)}
.callout.blue{background:var(--box-blue)}
.callout.green{background:var(--box-green)}
.callout.red{background:var(--box-red)}
.callout.purple{background:var(--box-purple)}
.callout .body strong{font-weight:600;color:var(--head)}
.callout .entr{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding-top:8px;margin-top:8px}
.callout code{background:var(--code-bg)}

/* images */
figure{margin:24px 0;background:var(--box-grey);border-radius:14px;overflow:hidden;min-height:80px}
figure img{width:100%;border-radius:14px;border:1px solid var(--line);display:block;min-height:80px;object-fit:cover}
figure figcaption{font-size:13.5px;color:var(--muted);margin:8px 4px}

.footnote{color:var(--muted);font-size:13.5px;margin-top:48px;border-top:1px solid var(--line);padding-top:16px;line-height:1.6}

/* pager */
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:40px}
.pager a{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-weight:500;font-size:14px;color:var(--text);transition:.14s}
.pager a.next{text-align:right}
.pager a:hover{border-color:var(--accent);text-decoration:none;background:var(--card-hover)}

/* Шаг 4: под-навигация, EN-письма, Figma */
.subnav{display:grid;grid-template-columns:1fr;gap:12px;margin:24px 0}
@media(min-width:720px){.subnav{grid-template-columns:1fr 1fr 1fr}}
.subnav-card{display:flex;flex-direction:column;gap:5px;padding:16px 18px;background:var(--card);border:1px solid var(--line);border-radius:16px;text-decoration:none;transition:border-color .14s,transform .14s}
.subnav-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.subnav-card .sc-ico{font-size:24px;line-height:1}
.subnav-card b{color:var(--head);font-size:15px;font-weight:600}
.subnav-card>span:last-child{color:var(--muted);font-size:13px;line-height:1.35}
.figma-wrap{margin:8px 0 2px}
.btn-figma{display:inline-block;padding:10px 20px;background:var(--accent);color:#fff;border-radius:8px;text-decoration:none;font-weight:500;font-size:14px}
.btn-figma:hover{filter:brightness(1.06)}

/* ===================== CATALOG (index / связки) ===================== */
.group{margin:40px 0 8px}
.group-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.group-label{display:inline-flex;align-items:center;gap:9px;font-size:20px;font-weight:600;letter-spacing:-.01em;color:var(--head)}
.pot{font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:20px;white-space:nowrap}
.pot.ru{background:var(--box-green);color:var(--ru)}
.pot.west{background:var(--box-blue);color:var(--west)}
.group>p.gdesc{color:var(--muted);margin:8px 2px 4px}
.cards{display:grid;grid-template-columns:1fr;gap:12px;margin-top:16px}
@media(min-width:680px){.cards{grid-template-columns:1fr 1fr}}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;color:inherit;transition:.15s;cursor:pointer;text-decoration:none}
.card:hover,.card:active{background:var(--card-hover);border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px);text-decoration:none}
.card:hover *,.card:active *{text-decoration:none}
.card .ct{display:flex;align-items:center;gap:13px}
.card .ico{width:42px;height:42px;border-radius:12px;background:var(--active);display:flex;align-items:center;justify-content:center;flex:none;font-size:22px}
.card .ct h3{margin:0;font-size:16px;font-weight:600;color:var(--head)}
.card p.cd{margin:12px 0 12px;color:var(--muted);font-size:14px}
.card .meta{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12px;padding:3px 10px;border-radius:20px;background:var(--accent-soft);color:var(--accent-ink);font-weight:500}
.chip.n{background:var(--active);color:var(--muted)}
.chip.p{background:var(--box-green);color:var(--ru)}
.divider-soft{height:1px;background:var(--line);margin:32px 0}
.autoblock{display:block;border:1px solid var(--line);background:var(--card);border-radius:16px;padding:20px 24px;color:inherit;transition:.15s;cursor:pointer;text-decoration:none}
.autoblock:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-1px);text-decoration:none}
.autoblock .ab-tag{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:500;padding:4px 11px;border-radius:20px}
.autoblock h3{margin:12px 0 8px;font-size:20px;font-weight:600;color:var(--head)}
.autoblock p{margin:0;color:var(--muted)}

/* AI-блок */
.ai{border:1px solid var(--line);background:var(--box-purple);border-radius:14px;padding:16px;margin:24px 0}
.ai .tag{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:500;padding:3px 9px;border-radius:20px}
.ai h4{color:var(--head);margin:10px 0 6px;font-weight:600}
.ai p{margin:6px 0}
.ai a{color:var(--accent)}
.ai a:hover{text-decoration:underline}

/* tabs (CSS-only) */
.tabs{margin:24px 0}
.tabs>input{position:absolute;opacity:0;pointer-events:none}
.tablabels{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tablabels label{padding:9px 16px;font-weight:500;font-size:15px;color:var(--muted);cursor:pointer;border-radius:8px 8px 0 0;border-bottom:2px solid transparent;margin-bottom:-1px;transition:.12s}
.tablabels label:hover{color:var(--text)}
#wa-m1:checked~.tablabels label[for="wa-m1"],#wa-m2:checked~.tablabels label[for="wa-m2"]{color:var(--accent);border-bottom-color:var(--accent)}
.tabpanel{display:none}
#wa-m1:checked~.wa-panels .wa-p1,#wa-m2:checked~.wa-panels .wa-p2{display:block;animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ===================== BUTTONS ===================== */
.btn{display:inline-block;font-weight:500;font-size:15px;padding:11px 22px;border-radius:8px;border:none;cursor:pointer;transition:.14s;text-align:center}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{filter:brightness(1.06);text-decoration:none;color:#fff}
.btn-block{display:block;width:100%}

/* ===================== LOGIN ===================== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}
.login-card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:34px 30px;box-shadow:var(--shadow)}
.login-logo{display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:var(--head)}
.login-logo svg{width:40px;height:40px;display:block}
.login-h{font-size:22px;text-align:center;margin:0 0 4px;font-weight:600;color:var(--head)}
.login-sub{text-align:center;color:var(--muted);margin:0 0 24px;font-size:15px}
.fld{display:block;margin-bottom:14px}
.fld span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.fld input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px 14px;color:var(--text);font-size:15px;outline:none;transition:.14s;font-family:inherit}
.fld input:focus{border-color:var(--accent)}
.fld input.bad{border-color:#e5484d}
.login-err{display:none;color:#e5484d;font-size:14px;margin:2px 0 12px}
.login-note{margin-top:18px;font-size:13.5px;color:var(--muted);line-height:1.5;text-align:center}
.login-card .btn-block{margin-top:6px}

/* ===================== USERCHIP ===================== */
.userchip{position:relative;flex:none;cursor:pointer;user-select:none}
.userchip .ava{width:34px;height:34px;border-radius:50%;background:var(--active);display:flex;align-items:center;justify-content:center;font-size:18px;transition:.14s;border:1px solid transparent}
.userchip:hover .ava{border-color:var(--accent)}
.userchip .udrop{position:absolute;top:calc(100% + 10px);right:0;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px;min-width:130px;box-shadow:var(--shadow);display:none;z-index:40}
.userchip.open .udrop{display:block}
.userchip .udrop a{display:block;padding:9px 12px;border-radius:8px;color:var(--text);font-weight:500;font-size:14px}
.userchip .udrop a:hover{background:var(--hover);text-decoration:none}

/* ===================== MOBILE ===================== */
@media(max-width:900px){
  .sidebar{position:fixed;top:0;left:0;z-index:60;transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 0 44px rgba(0,0,0,.3);height:100dvh;padding-bottom:44px}
  .sidebar.open{transform:translateX(0)}
  .scrim.show{display:block;position:fixed;inset:0;z-index:55;background:rgba(0,0,0,.4);backdrop-filter:blur(2px)}
  .topbar2 .burger{display:block}
  .wrap{padding:32px 24px 80px}
}
.ic{width:19px;height:19px;display:block;flex:none}

/* ===== Notion-компоненты: поиск ⌘K, оглавление «На этой странице», 2 колонки ===== */
.sb-search{display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:0 8px 0 10px;margin:2px 0 12px;background:var(--bg)}
.sb-search input{flex:1;min-width:0;border:none;background:none;outline:none;color:var(--text);font:inherit;font-size:13.5px;padding:8px 0}
.sb-search input::placeholder{color:var(--muted)}
.kbd{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 5px;flex:none}

.pagebody{display:flex;gap:40px;max-width:1180px;margin:0 auto;padding:0 40px}
.wrap{flex:1;min-width:0;max-width:720px;margin:0;padding:40px 0 96px}
.toc{width:210px;flex:none;position:sticky;top:73px;align-self:flex-start;height:max-content;padding-top:40px}
.toc-cap{font-size:12.5px;color:var(--muted);margin-bottom:10px;display:flex;align-items:center;gap:6px}
.toc-cap::before{content:"≡";font-size:14px}
#toc{display:flex;flex-direction:column}
.toc-item{font-size:13px;color:var(--muted);padding:5px 0 5px 12px;border-left:2px solid var(--line);line-height:1.35;transition:color .12s,border-color .12s}
.toc-item:hover{color:var(--text);text-decoration:none}
.toc-item.cur{color:var(--text);border-left-color:var(--text)}
@media(max-width:1080px){ .toc{display:none} .pagebody{padding:0 32px} }
@media(max-width:900px){ .pagebody{padding:0} .wrap{padding:32px 24px 80px} }