:root{--bg:#14171c;--panel:#1d2128;--line:#2b313b;--txt:#e8ebf0;--mut:#9aa3b2;--acc:#4ea1ff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.5 system-ui,Segoe UI,Roboto,Arial}
.wrap{max-width:900px;margin:0 auto;padding:24px 16px 60px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;margin:12px 0}
h1{font-size:22px;margin:6px 0 12px}h2{font-size:16px;margin:0 0 10px;color:var(--mut)}
input,textarea{width:100%;background:#12151a;border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:10px;margin:6px 0}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
button{background:var(--acc);border:0;color:#06121f;font-weight:600;border-radius:8px;padding:10px 14px;cursor:pointer;margin:6px 6px 6px 0}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.search{font-size:18px;padding:14px;text-align:center}
.card{border:1px solid var(--line);border-radius:10px;padding:12px;margin:10px 0;background:#181c22}
.card a{color:var(--acc);text-decoration:none;font-weight:600}
.meta{color:var(--mut);font-size:13px;margin:4px 0}
.lead{color:#cfd6e0}
.card.exact{border-left:4px solid #3ecf6f;background:#17251c}
.card.semantic{border-left:4px solid #4ea1ff;background:#17202b}
.badge{display:inline-block;font-size:11px;font-weight:700;border-radius:10px;padding:2px 8px;margin-right:6px;vertical-align:middle}
.badge.exact{background:#1d4d2e;color:#7be495}
.badge.sem{background:#1d3a5f;color:#8fc2ff}
pre{background:#101319;border:1px solid var(--line);border-radius:8px;padding:10px;max-height:300px;overflow:auto;color:#c8d0dc}
.nav{display:flex;gap:10px;margin:10px 0}.nav a{color:var(--mut);text-decoration:none;border:1px solid var(--line);padding:6px 12px;border-radius:20px}.nav a.on{color:var(--txt);border-color:var(--acc)}

.lead-link{color:#cfd6e0;text-decoration:none}
.lead-link:hover{color:var(--acc);text-decoration:underline}
.card{padding:14px 16px}

/* --- карточка результата --- */
.card{
  padding:14px 16px 12px;
  border:1px solid #262c35;
  border-left:3px solid #39414d;
  border-radius:10px;
  margin:0 0 10px;
  background:#14181e;
}
.card-title{
  display:block;
  color:#e8edf4;
  font-size:16px;
  font-weight:600;
  line-height:1.3;
  text-decoration:none;
}
.card-title:hover{color:var(--acc);text-decoration:underline}
.card-lead{
  margin-top:6px;
  color:#aeb7c4;
  font-size:14px;
  line-height:1.45;
}
.card-foot{
  display:flex;
  gap:10px;
  align-items:center;
  margin-top:9px;
  font-size:12px;
  color:#7f8794;
}
.card-foot .mark{
  border-radius:4px;
  padding:2px 7px;
  font-size:11px;
  text-transform:lowercase;
  border:1px solid transparent;
}
/* релевантность цветом: чем точнее совпадение, тем заметнее */
.card.m-exact{border-left-color:#3fb950}
.card.m-exact .mark{background:#12351b;color:#7ee787;border-color:#1f5c2e}
.card.m-word{border-left-color:#d29922}
.card.m-word .mark{background:#33280a;color:#e3b341;border-color:#6b5518}
.card.m-semantic{border-left-color:#4a5568}
.card.m-semantic .mark{background:#20262f;color:#9aa4b2;border-color:#39414d}

/* --- шапка: логотип слева от заголовка --- */
.head{
  display:flex;
  align-items:center;
  gap:10px;
  margin:6px 0 12px;
  font-size:22px;
}
.head h1{font-size:1em;margin:0}
.logo{
  width:1.05em;
  height:1.05em;
  flex:none;
  object-fit:contain;
  border-radius:5px;
}

/* --- строка поиска: поле и кнопка рядом --- */
.search-row{
  display:flex;
  gap:8px;
  align-items:stretch;
}
.search-row .search{
  flex:1;
  margin:6px 0;
  min-width:0;
}
.search-row .go{
  margin:6px 0;
  padding:0 20px;
  font-size:15px;
  white-space:nowrap;
}
.search-row .go:disabled{
  opacity:.6;
  cursor:default;
}

/* --- справка «Как искать» --- */
.help{
  margin:14px 0 0;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--panel);
  padding:0 16px;
}
.help > summary{
  cursor:pointer;
  padding:10px 0;
  font-size:14px;
  color:var(--mut);
  user-select:none;
}
.help > summary:hover{ color:var(--txt); }
.help p, .help ul{
  margin:0 0 10px;
  font-size:14px;
  line-height:1.55;
  color:#cfd6e0;
}
.help ul{ margin:4px 0 12px; padding-left:22px; }
.help li{ margin-bottom:4px; }