:root{
  --bg:#070A12;
  --panel: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.65);
  --brand:#7C3AED;
  --brand2:#22D3EE;
  --good:#34D399;
  --warn:#FBBF24;
  --bad:#FB7185;
  --shadow: 0 20px 80px rgba(0,0,0,.55);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(124,58,237,.22), transparent 60%),
    radial-gradient(1200px 700px at 80% 30%, rgba(34,211,238,.16), transparent 55%),
    radial-gradient(900px 600px at 50% 90%, rgba(124,58,237,.12), transparent 60%),
    var(--bg);
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
.container{max-width:1100px; margin:0 auto; padding:28px}

.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px;
  border:1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border-radius:18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  position:sticky; top:16px; z-index:20;
}

.brand{
  display:flex; gap:10px; align-items:center; font-weight:800; letter-spacing:.2px;
}

/* LOGO IMAGE (IMG) */
.logo{
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: inline-block;
  background: none;
  border-radius: 10px;

  /* мягкий glow */
  filter:
    drop-shadow(0 0 10px rgba(124,58,237,.45))
    drop-shadow(0 0 22px rgba(34,211,238,.30));
}




.actions{display:flex; gap:10px; align-items:center}
.btn{
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.06);
  color:var(--text);
  padding:10px 14px;
  border-radius:14px;
  cursor:pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  user-select:none;
}
.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.18);
  box-shadow: 0 14px 60px rgba(0,0,0,.45);
}
.btn.primary{
  border: none;
  background: linear-gradient(135deg, rgba(124,58,237,1), rgba(34,211,238,1));
  box-shadow: 0 14px 60px rgba(124,58,237,.22);
}
.btn.ghost{background: transparent}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
  margin-top:18px;
}

.card{
  grid-column: span 6;
  border:1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius:22px;
  padding:18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  position:relative;
  overflow:hidden;
}
.card::before{
  content:'';
  position:absolute; inset:-2px;
  background:
    radial-gradient(600px 240px at 10% 10%, rgba(124,58,237,.25), transparent 60%),
    radial-gradient(600px 240px at 90% 0%, rgba(34,211,238,.18), transparent 55%);
  opacity:.55;
  pointer-events:none;
}
.card > *{position:relative}

.h1{
  font-size:44px; line-height:1.05; margin:18px 0 8px;
  letter-spacing:-.8px;
}
.sub{
  color:var(--muted);
  max-width:700px;
}

.pill{
  display:inline-flex; gap:8px; align-items:center;
  padding:8px 12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  border-radius:999px;
  color:rgba(255,255,255,.78);
  font-size:13px;
}

.kb{
  grid-column: span 7;
}
.side{
  grid-column: span 5;
}

.input, textarea, select{
  width:100%;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: var(--text);
  padding:12px 14px;
  border-radius:14px;
  outline:none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
textarea{min-height:120px; resize:vertical}
.input:focus, textarea:focus, select:focus{
  border-color: rgba(34,211,238,.35);
  box-shadow: 0 0 0 4px rgba(34,211,238,.10);
}

.list{display:flex; flex-direction:column; gap:10px; margin-top:12px}
.item{
  padding:14px 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  border-radius:16px;
  transition: transform .15s ease, background .15s ease;
}
.item:hover{transform: translateY(-1px); background: rgba(255,255,255,.06)}

.row{display:flex; gap:10px; align-items:center; justify-content:space-between}
.muted{color:var(--muted); font-size:13px}

.badge{
  padding:6px 10px; border-radius:999px; font-size:12px; border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
}
.badge.good{border-color: rgba(52,211,153,.35); box-shadow: 0 0 0 4px rgba(52,211,153,.10)}
.badge.warn{border-color: rgba(251,191,36,.35); box-shadow: 0 0 0 4px rgba(251,191,36,.10)}
.badge.bad{border-color: rgba(251,113,133,.35); box-shadow: 0 0 0 4px rgba(251,113,133,.10)}

.fade-in{
  animation: fadeIn .5s ease both;
}
@keyframes fadeIn{
  from{opacity:0; transform: translateY(8px)}
  to{opacity:1; transform: translateY(0)}
}

@media (max-width: 920px){
  .card{grid-column: span 12}
  .kb,.side{grid-column: span 12}
  .h1{font-size:36px}
}

.brand-text{
  font-weight: 900;
  letter-spacing: 1.5px;
  font-size: 18px;
  background: linear-gradient(
    135deg,
    #00eaff,
    #7c3aed,
    #00ff9c
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 0 20px rgba(0,234,255,.35),
    0 0 40px rgba(124,58,237,.25);
}

.socials{
  display:flex;
  gap:10px;
  align-items:center;
}

.social{
  width:38px;
  height:38px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  transition: all .2s ease;
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}

.social svg{
  width:20px;
  height:20px;
  fill: rgba(255,255,255,.85);
}

.social:hover{
  transform: translateY(-2px);
}

.social.discord:hover{
  background: linear-gradient(135deg, #5865F2, #404EED);
  box-shadow: 0 0 30px rgba(88,101,242,.6);
}

.social.telegram:hover{
  background: linear-gradient(135deg, #2AABEE, #229ED9);
  box-shadow: 0 0 30px rgba(42,171,238,.6);
}

/* Карточка базы знаний */
.kb-card{
  cursor:pointer;
  position:relative;
}

/* Заголовок БОЛЬШЕ */
.kb-card .kb-title{
  font-size:18px;
  font-weight:900;
  letter-spacing:.3px;
}

/* подсказка */
.kb-hint{
  font-size:12px;
  color: rgba(255,255,255,.55);
}

/* превью — шире */
.kb-thumb{
  margin-top:12px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.kb-thumb img{
  width: 520px;        /* ширина превью */
  max-width: 100%;
  height: 150px;       /* высота */
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 18px 80px rgba(0,0,0,.50);
  object-fit: cover;
  transition: transform .20s ease, box-shadow .20s ease, border-color .20s ease, filter .20s ease;
  filter: saturate(1.05) contrast(1.05);
}

.kb-card:hover .kb-thumb img{
  transform: translateY(-2px);
  border-color: rgba(34,211,238,.30);
  box-shadow: 0 28px 110px rgba(0,0,0,.62);
}

/* ===== АНИМАЦИЯ РЕШЕНИЯ ===== */
/* контейнер, который анимируем по max-height + opacity */
.kb-solution{
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.80);
  white-space: pre-wrap;

  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transform: translateY(-6px);
  transition:
    max-height .45s cubic-bezier(.2,.8,.2,1),
    opacity .35s ease,
    transform .35s ease;
}

/* когда открыто */
.kb-card.open .kb-solution{
  max-height: 1200px;  /* “достаточно большое” значение */
  opacity: 1;
  transform: translateY(0);
}

/* небольшая “подсветка” в момент открытия */
.kb-card.open{
  box-shadow: 0 24px 90px rgba(124,58,237,.12);
}