:root {
  --bg: #090d14;
  --card: #111827;
  --card-soft: #172033;
  --ink: #f8fafc;
  --muted: #a8b3c7;
  --line: #2a3446;
  --accent: #5aa7ff;
  --accent-strong: #2f80ed;
  --soft: #172b4d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, Arial, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 22px 18px;
}

.back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card-soft);
  color: var(--accent);
  font-weight: 850;
  padding: 9px 12px;
  text-decoration: none;
}

.back:hover {
  border-color: var(--accent);
  text-decoration: none;
}

header {
  border-bottom: 1px solid var(--line);
  margin: 0 0 18px;
  padding: 24px 0 18px;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.45rem);
  line-height: 1.05;
}

.sub {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.file-tools {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
}

.file-search-label {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 850;
}

.file-search {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  padding: 12px 14px;
}

.file-search:focus-visible {
  outline: 3px solid rgba(90, 167, 255, 0.22);
  outline-offset: 2px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.file-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  min-height: 100%;
  padding: 16px;
  text-decoration: none;
}

.file-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.file-title {
  font-size: 1.02rem;
  font-weight: 850;
  margin-bottom: 5px;
  overflow-wrap: anywhere;
}

.file-meta {
  display: flex;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
  gap: 0;
}

.file-meta span {
  display: inline;
}

.file-meta span + span::before {
  content: " / ";
  color: #64748b;
}

.loc {
  color: var(--muted);
}

.empty {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--muted);
  padding: 16px;
}

.empty-results {
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  display: none;
  margin: 16px 0 0;
  padding: 16px;
  text-align: center;
}

footer {
  color: var(--muted);
  font-size: 0.86rem;
  padding: 24px;
  text-align: center;
}

@media (hover: none) and (pointer: coarse) and (max-width: 700px) {
  .wrap {
    padding: 16px;
  }

  .back {
    width: 100%;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .file-card {
    padding: 15px;
  }

  h1 {
    font-size: 1.8rem;
  }
}