:root{--bg:#f6f4f5;--panel:#fff;--ink:#1f1a1d;--muted:#6f6670;--line:#e4dfe2;--brand:#6b2d4f;--brand-soft:#f3e8ee;--ok:#1f7a4d;--ok-soft:#e3f3ea;
 --warn:#9a5b00;--warn-soft:#fdf1dc;--bad:#b3261e;--bad-soft:#fbe5e3;--info:#1d5fa8;--info-soft:#e4eefa;--shadow:0 1px 2px rgba(0,0,0,.06),0 2px 8px rgba(0,0,0,.04);
 --radius:10px;--edge:#b9adb4;--side:236px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;font-size:15px;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#151214;--panel:#1f1b1e;--ink:#efe9ed;--muted:#a59aa2;--line:#352e33;--brand:#d58fb3;--brand-soft:#3a2431;
 --ok:#6fcf9c;--ok-soft:#183427;--warn:#f0b65a;--warn-soft:#3a2c14;--bad:#f28b82;--bad-soft:#3d1c1a;--info:#8ab4f8;--info-soft:#1b2a3d;--edge:#6d5f68;color-scheme:dark}}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit;color:inherit}
h1{font-size:24px;margin:0 0 4px}h2{font-size:19px;margin:24px 0 10px}h3{font-size:16px;margin:18px 0 8px}
.muted{color:var(--muted)}.small{font-size:13px}.nowrap{white-space:nowrap}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:7px 13px;cursor:pointer;line-height:1.2}
.btn:hover{border-color:var(--brand)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{filter:brightness(1.08)}
.btn.small{padding:4px 9px;font-size:13px}.btn.ghost{border-color:transparent;background:transparent}.btn.danger{color:var(--bad)}
.btn:disabled{opacity:.5;cursor:default}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],input[type=search],select,textarea{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:var(--panel);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
label.f{display:block;margin:0 0 12px}label.f span{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.grid{display:grid;gap:14px}.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.g3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row.between{justify-content:space-between}.grow{flex:1}
.pill{display:inline-block;border-radius:99px;padding:2px 9px;font-size:12px;background:var(--brand-soft);color:var(--brand);white-space:nowrap}
.pill.ok{background:var(--ok-soft);color:var(--ok)}.pill.warn{background:var(--warn-soft);color:var(--warn)}.pill.bad{background:var(--bad-soft);color:var(--bad)}.pill.info{background:var(--info-soft);color:var(--info)}.pill.grey{background:var(--line);color:var(--muted)}
.bar{height:6px;border-radius:9px;background:var(--line);overflow:hidden}.bar i{display:block;height:100%;background:var(--brand)}
table.t{width:100%;border-collapse:collapse;font-size:14px}table.t th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line);padding:8px 8px}
table.t td{border-bottom:1px solid var(--line);padding:8px 8px;vertical-align:top}table.t tr:hover td{background:var(--bg)}
.empty{padding:28px;text-align:center;color:var(--muted)}
/* каркас */
.shell{display:grid;grid-template-columns:var(--side) 1fr;min-height:100vh}
.side{background:var(--panel);border-right:1px solid var(--line);padding:14px 10px;position:sticky;top:0;height:100vh;overflow:auto;display:flex;flex-direction:column}
.brand{display:flex;gap:10px;align-items:center;padding:4px 8px 16px;font-weight:700}.brand i{width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-style:normal;font-family:Georgia,serif}
.brand small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.nav a{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:8px;color:var(--ink);margin-bottom:2px}
.nav a:hover{background:var(--bg);text-decoration:none}.nav a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav .sec{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:14px 10px 4px}
.nav .cnt{margin-left:auto;background:var(--bad);color:#fff;border-radius:99px;font-size:11px;padding:1px 7px}
.side .me{margin-top:auto;padding:10px;border-top:1px solid var(--line);font-size:13px}
.main{min-width:0}.top{display:flex;gap:12px;align-items:center;padding:12px 24px;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:20}
.top .search{max-width:420px}.menu-btn{display:none}
.content{padding:22px 24px 60px;max-width:1400px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:8px}.crumbs a{color:var(--muted)}
@media (max-width:860px){.shell{grid-template-columns:1fr}.side{position:fixed;left:-260px;width:250px;z-index:50;transition:left .2s;box-shadow:var(--shadow)}
 .side.open{left:0}.menu-btn{display:inline-flex}.content{padding:16px 14px 60px}.top{padding:10px 14px}}
/* вход */
.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login .card{width:min(400px,100%);padding:26px}
/* статьи */
.kb{display:grid;grid-template-columns:280px 1fr;gap:20px}.kb .tree{position:sticky;top:70px;max-height:calc(100vh - 90px);overflow:auto}
@media (max-width:980px){.kb{grid-template-columns:1fr}.kb .tree{position:static;max-height:none}}
.tree ul{list-style:none;margin:0;padding-left:14px}.tree>ul{padding-left:0}.tree li a{display:block;padding:4px 8px;border-radius:6px;color:var(--ink);font-size:14px}
.tree li a.on{background:var(--brand-soft);color:var(--brand)}.tree li a:hover{background:var(--bg);text-decoration:none}
.article{max-width:860px;line-height:1.6}.article h2{font-size:21px}.article h3{font-size:17px}.article img{max-width:100%;border-radius:8px;border:1px solid var(--line)}
.article video{max-width:100%;border-radius:8px;background:#000}.article blockquote{margin:12px 0;padding:8px 16px;border-left:3px solid var(--brand);background:var(--brand-soft);border-radius:0 8px 8px 0}
.article .callout{padding:10px 14px;border-radius:8px;background:var(--warn-soft);margin:10px 0}.article table{border-collapse:collapse;width:100%;margin:10px 0;font-size:14px}
.article table td{border:1px solid var(--line);padding:6px 8px;vertical-align:top}.article .pdf{width:100%;height:640px;border:1px solid var(--line);border-radius:8px}
.article .yt{width:100%;aspect-ratio:16/9;border:0;border-radius:8px}.article .file{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:8px;margin:6px 0}
.article ul,.article ol{padding-left:24px;margin:6px 0}.article .check{list-style:none;padding-left:4px}.article .check li::before{content:'☐ ';color:var(--muted)}.article .check li.done::before{content:'☑ ';color:var(--ok)}
.article p{margin:6px 0}
/* редактор */
.ed-block{display:grid;grid-template-columns:120px 1fr auto;gap:8px;align-items:start;margin-bottom:8px}.ed-block textarea{min-height:42px;resize:vertical}
/* тест */
.q{margin:14px 0;padding:14px 16px}.q .v{display:flex;gap:10px;align-items:flex-start;padding:7px 4px;cursor:pointer}.q.right{border-color:var(--ok)}.q.wrong{border-color:var(--bad)}
/* боковая панель */
.drawer{position:fixed;top:0;right:0;width:min(440px,100%);height:100vh;background:var(--panel);border-left:1px solid var(--line);box-shadow:-6px 0 24px rgba(0,0,0,.12);z-index:60;overflow:auto;padding:18px 20px;transform:translateX(105%);transition:transform .18s}
.drawer.open{transform:none}.drawer .x{position:absolute;right:12px;top:10px}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.35);display:grid;place-items:center;z-index:80;padding:16px}.modal{width:min(520px,100%);max-height:90vh;overflow:auto}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:99}#toast div{background:var(--ink);color:var(--panel);padding:10px 16px;border-radius:8px;margin-top:6px;box-shadow:var(--shadow)}
.chart{width:100%;height:auto}
/* оргсхема */
.org-wrap{position:relative;height:calc(100vh - 170px);min-height:420px;overflow:hidden;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);cursor:grab;touch-action:none}
.org-wrap.drag{cursor:grabbing}.org-canvas{position:absolute;left:0;top:0;transform-origin:0 0;padding:30px}
.org-tools{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}.org-tools .seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.org-tools .seg button{border:0;background:var(--panel);padding:6px 12px;cursor:pointer}.org-tools .seg button.on{background:var(--brand);color:#fff}
.zoom{position:absolute;right:12px;bottom:12px;display:flex;flex-direction:column;gap:4px;z-index:5}.zoom button{width:34px;height:34px;padding:0;justify-content:center}
.otree,.otree ul{display:flex;padding:0;margin:0;list-style:none}.otree ul{padding-top:22px;position:relative}
.otree li{display:flex;flex-direction:column;align-items:center;position:relative;padding:22px 6px 0}
.otree li::before,.otree li::after{content:'';position:absolute;top:0;right:50%;width:50%;height:22px;border-top:1.5px solid var(--edge)}
.otree li::after{right:auto;left:50%;border-left:1.5px solid var(--edge)}
.otree li:only-child::before,.otree li:only-child::after{display:none}.otree li:only-child{padding-top:22px}.otree li:only-child>.node::before{content:'';position:absolute;top:-22px;left:50%;height:22px;border-left:1.5px solid var(--edge)}
.otree li:first-child::before,.otree li:last-child::after{border:0}.otree li:last-child::before{border-right:1.5px solid var(--edge);border-radius:0 8px 0 0}.otree li:first-child::after{border-radius:8px 0 0 0}
.otree ul::before{content:'';position:absolute;top:0;left:50%;height:22px;border-left:1.5px solid var(--edge)}
.otree>li{padding-top:0}.otree>li::before,.otree>li::after{display:none}
.node{position:relative;width:200px;background:var(--panel);border:1.5px solid var(--line);border-radius:10px;padding:9px 10px 8px;text-align:center;cursor:pointer;box-shadow:var(--shadow)}
.node:hover{border-color:var(--brand)}.node.sel{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.node.hit{border-color:var(--ok);box-shadow:0 0 0 3px var(--ok-soft)}
.node.mine{background:var(--brand-soft)}.node .num{font-size:20px;font-weight:700;line-height:1.1}.node .nm{font-weight:600;font-size:13px;line-height:1.25;margin-top:2px}
.node .ps{font-size:12px;color:var(--muted);margin-top:2px}.node .pp{margin-top:6px;display:flex;flex-direction:column;gap:2px;font-size:12px}
.node .pp span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.node .vac{color:var(--warn);font-size:12px;margin-top:5px}.node .ckp{font-size:11.5px;color:var(--muted);margin-top:6px;text-align:left;max-height:72px;overflow:hidden}
.node .tg{position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);background:var(--panel);border:1.5px solid var(--line);border-radius:99px;font-size:11px;padding:1px 8px;color:var(--muted);white-space:nowrap;z-index:2}
.node .tg:hover{border-color:var(--brand);color:var(--brand)}.node .stripe{position:absolute;left:0;top:0;right:0;height:4px;border-radius:9px 9px 0 0}
.org-list{display:none}
@media (max-width:860px){.org-wrap{display:none}.org-list{display:block}.org-list ul{list-style:none;padding-left:16px;margin:0}.org-list>ul{padding-left:0}
 .org-list li>div{display:flex;gap:6px;align-items:flex-start;padding:7px 4px;border-bottom:1px solid var(--line)}.org-list .tw{width:22px;flex:none;color:var(--muted);cursor:pointer}}

@media print{.side,.top,.org-tools,.zoom,.drawer,h1{display:none!important}.shell{display:block}.org-wrap{height:auto;overflow:visible;border:0}.org-canvas{position:static}}