:root{
  --base:#1e303a;        /* основная темная */
  --vk:#4a76a8;          /* классический vk-синий */
  --vk2:#5a8bc9;

  --bg:#0f1b24;
  --bg2:#0c151c;

  --card:#132330;
  --card2:#152b3b;

  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.60);
  --border:rgba(255,255,255,.10);

  --shadow: 0 10px 30px rgba(0,0,0,.28);
  --shadow-sm: 0 8px 18px rgba(0,0,0,.18);

  --radius:14px;
  --radius-sm:12px;

  --header-h:54px;
  --container: 1160px;
  --gap:12px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}

html.is-light{
  --bg:#e6eaf0;
  --bg2:#dfe5ee;

  --card:#ffffff;
  --card2:#f6f8fb;

  --text:rgba(17,24,39,.92);
  --muted:rgba(17,24,39,.62);
  --border:rgba(17,24,39,.14);

  --shadow: 0 10px 24px rgba(17,24,39,.10);
  --shadow-sm: 0 8px 16px rgba(17,24,39,.08);
}

*{ box-sizing:border-box }
html,body{ height:100% }
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--base), black 6%), var(--bg2) 60%, var(--bg));
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none }
img{ max-width:100%; height:auto; display:block }
button, input, select, textarea{ font:inherit }
:focus-visible{ outline:3px solid color-mix(in oklab, var(--vk2), white 20%); outline-offset:2px; border-radius:10px }
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important }
}

.skip-link{
  position:absolute; left:-999px; top:10px;
  background:var(--card); color:var(--text);
  padding:10px 12px; border:1px solid var(--border); border-radius:12px;
  z-index:4000;
}
.skip-link:focus{ left:10px }

.topbar{
  position:fixed;
  top:0; left:0; right:0;
  height:var(--header-h);
  z-index:1200;
  background: linear-gradient(180deg, color-mix(in oklab, var(--vk), black 20%), var(--vk));
  border-bottom: 1px solid color-mix(in oklab, var(--vk), black 35%);
  box-shadow: var(--shadow-sm);
}
.topbar .inner{
  max-width: var(--container);
  margin:0 auto;
  height:100%;
  padding: 0 12px;
  display:flex;
  align-items:center;
  gap:12px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  min-width: 210px;
}
.logo{
  width:34px; height:34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ffffff, #dbe9ff);
  display:grid; place-items:center;
  color: var(--vk);
  font-weight:900;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.12);
}
.brand .name{ font-weight:900; letter-spacing:.2px; color:#fff; font-size:16px; line-height:1 }
.brand .tag{ font-size:11px; color: rgba(255,255,255,.78) }

.search{
  flex:1;
  display:flex;
  align-items:center;
  gap:10px;
  max-width: 520px;
}
.search input{
  width:100%;
  height: 34px;
  padding: 0 12px;
  border-radius: 10px;
  border:1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.16);
  color:#fff;
  outline:none;
}
.search input::placeholder{ color: rgba(255,255,255,.78) }
.search input:focus{
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.55);
}

.top-actions{ display:flex; align-items:center; gap:10px }
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height: 34px;
  padding: 0 12px;
  border-radius: 10px;
  border:1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.12);
  color:#fff;
  cursor:pointer;
  transition: transform .16s var(--ease), background .16s var(--ease), border-color .16s var(--ease);
}
.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.42);
}
.btn:active{ transform: translateY(0) scale(.99) }
.btn.primary{
  border-color: rgba(0,0,0,.12);
  background: linear-gradient(180deg, #ffffff, #e8f1ff);
  color: #1b3f67;
}
.btn.icon{
  width: 34px; padding:0; justify-content:center;
}
.btn.dark{
  background: rgba(0,0,0,.20);
  border-color: rgba(0,0,0,.18);
}

.select-wrap{ position:relative }
.select{
  height:34px;
  border-radius: 10px;
  border:1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.12);
  color:#fff;
  padding: 0 34px 0 10px;
  appearance:none;
}
.select-wrap .chev{
  position:absolute;
  right:10px; top:50%;
  transform: translateY(-50%);
  width:14px; height:14px;
  opacity:.9;
  pointer-events:none;
}

.page{
  padding-top: calc(var(--header-h) + 14px);
}
.shell{
  max-width: var(--container);
  margin:0 auto;
  padding: 0 12px 40px;
  display:grid;
  grid-template-columns: 220px 1fr 280px;
  gap: var(--gap);
}

.card{
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card2), var(--card));
  box-shadow: var(--shadow-sm);
}
.card.pad{ padding: 12px }

.leftnav .title{
  font-size:12px;
  color: var(--muted);
  margin: 6px 10px 10px;
  letter-spacing:.10em;
  text-transform:uppercase;
}
.nav{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding: 8px 6px 10px;
}
.nav a{
  display:flex; align-items:center; gap:10px;
  padding: 9px 10px;
  border-radius: 12px;
  color: color-mix(in oklab, var(--text), var(--muted) 10%);
  transition: background .16s var(--ease), transform .16s var(--ease);
}
.nav a:hover{
  background: color-mix(in oklab, var(--card), var(--vk) 10%);
  transform: translateY(-1px);
}
.nav a[aria-current="page"]{
  background: color-mix(in oklab, var(--vk), var(--card) 75%);
  border: 1px solid color-mix(in oklab, var(--vk), black 25%);
}

.feed-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  padding: 6px 2px 10px;
}
.h1{ margin:0; font-size: 22px; letter-spacing:-.02em }
.p{ margin:8px 0 0; color:var(--muted); line-height:1.6; max-width: 74ch }

.post{
  padding: 12px;
}
.post + .post{ border-top:1px solid var(--border) }
.post .top{
  display:flex; align-items:center; gap:10px;
}
.avatar{
  width:42px; height:42px; border-radius: 12px;
  background: linear-gradient(135deg, color-mix(in oklab, var(--vk2), white 16%), color-mix(in oklab, var(--vk), black 18%));
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.20);
}
.post .meta{ line-height:1.15 }
.post .name{ font-weight:900 }
.post .time{ font-size:12px; color:var(--muted); margin-top:4px }
.post .text{ margin: 10px 0 0; color: color-mix(in oklab, var(--text), var(--muted) 10%); line-height:1.65 }
.post .actions{
  margin-top: 10px;
  display:flex; gap:8px; flex-wrap:wrap;
}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding: 7px 10px;
  border-radius: 999px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 6%);
  color: var(--muted);
  font-size: 12px;
  transition: transform .16s var(--ease), background .16s var(--ease);
}
.pill:hover{ transform: translateY(-1px); background: color-mix(in oklab, var(--card), var(--vk) 10%) }

.widget h3{ margin:0; font-size: 14px }
.widget .muted{ margin:8px 0 0; color:var(--muted); font-size:12px; line-height:1.6 }
.widget .row{ display:flex; align-items:center; justify-content:space-between; gap:10px; margin-top:10px }
.kpi{
  padding: 10px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 6%);
}
.kpi .v{ font-weight:900; font-size: 16px }
.kpi .k{ font-size: 11px; color:var(--muted); margin-top:3px }

.table{ overflow:hidden }
.table table{ width:100%; border-collapse: collapse }
.table th,.table td{ padding: 10px 10px; border-bottom:1px solid var(--border); text-align:left; vertical-align:top }
.table th{
  font-size:11px;
  letter-spacing:.10em;
  text-transform:uppercase;
  color: var(--muted);
  background: color-mix(in oklab, var(--card), black 6%);
}
.table tr:last-child td{ border-bottom:0 }

.form-card h2{ margin:0 0 10px; font-size: 16px }
.field{ display:flex; flex-direction:column; gap:8px; margin-top: 10px }
.label{ font-size: 12px; color: var(--muted) }
.input{
  height: 38px;
  padding: 0 12px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 4%);
  color: var(--text);
  outline:none;
  transition: border-color .16s var(--ease), background .16s var(--ease);
}
textarea.input{ height:auto; padding: 10px 12px; resize: vertical }
.input:focus{ border-color: color-mix(in oklab, var(--vk2), white 25%); background: color-mix(in oklab, var(--card), var(--vk) 8%) }
.help{ margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.6 }
.form-row{ display:flex; gap:8px; flex-wrap:wrap; margin-top: 12px }

.footer{
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 12px 30px;
  color: var(--muted);
  font-size: 12px;
}
.footer a{ color: color-mix(in oklab, var(--muted), var(--vk2) 30%) }
.footer a:hover{ color: var(--text) }

.drawer-backdrop{
  position:fixed; inset:0;
  background: rgba(0,0,0,.45);
  z-index: 1600;
  display:none;
}
.drawer-backdrop.show{ display:block; animation: fade .16s var(--ease) }
@keyframes fade{ from{opacity:0} to{opacity:1} }

.drawer{
  position:fixed;
  top:0; left:0;
  height:100vh;
  width: min(86vw, 300px);
  transform: translateX(-102%);
  transition: transform .24s var(--ease);
  z-index: 1700;
  padding: 12px;
  background: linear-gradient(180deg, color-mix(in oklab, var(--vk), black 12%), color-mix(in oklab, var(--base), black 6%));
  border-right: 1px solid rgba(0,0,0,.18);
}
.drawer.open{ transform: translateX(0) }
.drawer .nav a{ color:#fff }
.drawer .nav a:hover{ background: rgba(255,255,255,.12) }
.drawer .nav a[aria-current="page"]{ background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.25) }

.reveal{
  opacity:0;
  transform: translateY(10px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
.reveal.is-visible{ opacity:1; transform: translateY(0) }

.toast{
  position:fixed;
  bottom: 16px; right: 16px;
  z-index: 2500;
  width: min(420px, calc(100vw - 32px));
  border-radius: 14px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, var(--card2), var(--card));
  box-shadow: var(--shadow);
  padding: 10px 12px;
  display:none;
}
.toast.show{ display:block; animation: pop .22s var(--ease) }
@keyframes pop{ from{opacity:0; transform: translateY(8px) scale(.98)} to{opacity:1; transform: translateY(0) scale(1)} }

@media (max-width: 1100px){
  .shell{ grid-template-columns: 220px 1fr; }
  .rightcol{ display:none }
  .search{ max-width: 420px }
}
@media (max-width: 860px){
  .shell{ grid-template-columns: 1fr; }
  .leftcol{ display:none }
  .search{ display:none }
}