:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #6b6862;
  --border: #e3e0da;
  --accent: #eb001b;
  --accent-2: #f79e1b;
  --accent-soft: #fdecea;
  --mark: #ffe08a;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --surface: #201f1d;
    --text: #ece9e4;
    --muted: #9c978f;
    --border: #34322f;
    --accent: #ff4d5e;
    --accent-2: #ffb347;
    --accent-soft: #3a2224;
    --mark: #7a5d00;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 "Segoe UI", system-ui, -apple-system, sans-serif;
}
h1, h2, h3 { margin: 0; }
.muted { color: var(--muted); }
mark { background: var(--mark); color: inherit; border-radius: 2px; padding: 0 1px; }

/* Шапка */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 18px; font-weight: 600; white-space: nowrap; }
.logo { position: relative; width: 34px; height: 22px; }
.logo i { position: absolute; top: 0; width: 22px; height: 22px; border-radius: 50%; }
.logo i:first-child { left: 0; background: var(--accent); }
.logo i:last-child { right: 0; background: var(--accent-2); mix-blend-mode: multiply; opacity: .9; }
.search { flex: 1 1 320px; }
.search input {
  width: 100%; padding: 9px 12px; font: inherit;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg); color: var(--text);
}
.search input:focus { outline: 2px solid var(--accent-2); outline-offset: 1px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; font: inherit; font-size: 14px; cursor: pointer;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text);
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--accent); }

/* Раскладка */
.layout {
  display: grid; grid-template-columns: 280px 1fr; gap: 20px;
  padding: 20px; max-width: 1400px; margin: 0 auto;
}
.sidebar section {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; margin-bottom: 14px;
}
.sidebar h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 10px; }
.sidebar label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.sidebar select {
  display: block; width: 100%; margin-top: 4px; padding: 7px 8px; font: inherit; font-size: 14px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text);
}
.sidebar .stats { font-size: 13px; color: var(--muted); }
.upcoming { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.upcoming li { display: flex; gap: 8px; padding: 6px 0; border-top: 1px solid var(--border); cursor: pointer; }
.upcoming li:first-child { border-top: 0; }
.upcoming li b { color: var(--accent); white-space: nowrap; font-weight: 600; }
.upcoming li span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Зона загрузки */
.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 36px 20px; text-align: center; background: var(--surface);
  margin-bottom: 16px; transition: padding .2s, border-color .2s;
}
.dropzone p { margin: 4px 0; }
.dropzone.compact { padding: 12px 20px; }
.dropzone.compact .muted { display: none; }
.dropzone.over { border-color: var(--accent); background: var(--accent-soft); }
.progress { position: relative; margin-top: 12px; height: 24px; border-radius: 6px; background: var(--bg); overflow: hidden; }
.progress .bar { position: absolute; inset: 0 auto 0 0; background: var(--accent-2); opacity: .5; transition: width .2s; }
.progress .label { position: relative; font-size: 13px; line-height: 24px; }

/* Карточки */
.results { display: grid; gap: 12px; }
.empty { color: var(--muted); text-align: center; padding: 30px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; cursor: pointer; transition: border-color .15s;
}
.card:hover { border-color: var(--accent-2); }
.kicker { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--accent); }
.card h3 { font-size: 16px; font-weight: 600; margin: 4px 0 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.chip { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--bg); border: 1px solid var(--border); }
.chip.accent { background: var(--accent-soft); border-color: transparent; color: var(--accent); font-weight: 600; }
.snippet { font-size: 13.5px; margin: 6px 0 0; color: var(--text); }
.snippet:hover { text-decoration: underline dotted; }
.pg { font-size: 11px; color: var(--muted); font-weight: 600; }
.file { font-size: 12px; margin-top: 8px; overflow-wrap: anywhere; }

/* Просмотр */
.viewer {
  width: min(1100px, 96vw); height: 92vh; padding: 0;
  border: 1px solid var(--border); border-radius: 14px;
  background: var(--surface); color: var(--text);
  flex-direction: column;
}
.viewer[open] { display: flex; }
.viewer::backdrop { background: rgba(0, 0, 0, .45); }
.viewer-head {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.viewer-head h2 { font-size: 18px; margin: 4px 0 10px; }
.viewer-actions { display: flex; align-items: flex-start; gap: 8px; }
.meta-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px 18px; font-size: 13px; }
.meta-grid span { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.tabs { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.tabs button { font: inherit; font-size: 14px; padding: 8px 14px; border: 0; background: var(--surface); color: var(--text); cursor: pointer; }
.tabs button.active { background: var(--text); color: var(--surface); }
.viewer-body { flex: 1; min-height: 0; width: 100%; border: 0; }
.text-view { overflow: auto; padding: 16px 20px; background: var(--bg); }
.page { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; margin-bottom: 12px; }
.page pre { white-space: pre-wrap; word-wrap: break-word; font: 13.5px/1.55 "Segoe UI", system-ui, sans-serif; margin: 6px 0 0; }

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; padding: 12px 16px; }
  .topbar { padding: 10px 16px; }
  .viewer { width: 100vw; height: 100vh; max-width: 100vw; max-height: 100vh; border-radius: 0; }
}