:root {
  --bg: #f3f1eb;
  --ink: #1c2430;
  --muted: #667084;
  --card: #fffdf8;
  --line: #e4ddd0;
  --accent: #0f6e56;
  --accent-soft: #d8efe6;
  --warn: #9a3412;
  --warn-soft: #ffedd5;
  --info: #1d4ed8;
  --info-soft: #dbeafe;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, #efe7d8 0, transparent 40%),
    linear-gradient(180deg, #f7f4ee, var(--bg));
  font: 16px/1.5 var(--sans);
  min-height: 100vh;
}
.top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  padding: 28px clamp(16px, 4vw, 48px) 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,253,248,.82);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { display: flex; gap: 14px; align-items: center; }
.mark {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--accent); color: #fff;
  font-weight: 800; letter-spacing: .04em;
}
.brand strong { display: block; font-family: var(--serif); font-size: 28px; line-height: 1.1; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tabs button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
}
.tabs button.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
main { padding: 24px clamp(16px, 4vw, 48px) 64px; max-width: 1200px; margin: 0 auto; }
.search-panel { margin-bottom: 22px; }
.search { display: grid; gap: 8px; }
.search span { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.search input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 16px;
  padding: 16px 18px;
  font: 18px/1.2 var(--serif);
  color: var(--ink);
  outline: none;
}
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.hint { color: var(--muted); font-size: 14px; margin: 10px 0 0; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.filters button,
.filters .chip {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  padding: 5px 8px;
  cursor: pointer;
  font: 600 12px/1.2 var(--sans);
  color: var(--ink);
}
.filters.levels button { border-radius: 999px; padding: 5px 10px; }
.filters.letters button { min-width: 28px; padding: 4px 7px; }
.filters.dense { gap: 4px; }
.filters.dense .chip { padding: 4px 7px; font-size: 11px; border-radius: 6px; }
.filters button.active,
.filters .chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.ctrl-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}
.sort-box {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
}
.sort-box select {
  font: 600 13px/1.2 var(--sans);
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  padding: 5px 8px;
  min-width: 128px;
}
.fold {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,253,248,.7);
  overflow: hidden;
}
.fold > summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 14px;
  font: 650 13px/1.2 var(--sans);
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.fold > summary::-webkit-details-marker { display: none; }
.fold > summary::before {
  content: "▸";
  color: var(--muted);
  font-size: 12px;
  transition: transform .15s ease;
}
.fold[open] > summary::before { transform: rotate(90deg); }
.fold-hint { color: var(--muted); font-weight: 600; }
.fold .filters { margin: 0; padding: 0 12px 12px; }
.active-bar {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.clear-btn {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 5px 10px;
  cursor: pointer;
  font: 600 12px/1.2 var(--sans);
}
.clear-btn:hover { border-color: var(--accent); color: var(--accent); }
.results { display: grid; gap: 10px; }
.panel {
  background: transparent;
  display: grid;
  gap: 10px;
  margin-bottom: 8px;
}
.panel-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
}
.group-list { display: grid; gap: 10px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color .15s ease;
}
.card.open { border-color: #b9a88d; }
.card-head {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 16px 18px;
  cursor: pointer;
  font: inherit;
  color: inherit;
}
.card-head:hover { background: #faf6ef; }
.card h3 { margin: 0 0 8px; font-family: var(--serif); font-size: 22px; font-weight: 650; }
.card-body {
  border-top: 1px solid var(--line);
  padding: 16px 18px 20px;
  background: #fcfaf5;
}
.card-body .block { margin-top: 16px; }
.card-body h4 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
}
.meta { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 10px; font-size: 13px;
  background: #f0ebe1; color: var(--ink);
}
.pill.ok { background: var(--accent-soft); color: var(--accent); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.info { background: var(--info-soft); color: var(--info); }
.pill.neutral { background: #ece7dc; color: #5b6472; }
.sub { color: var(--muted); margin: 0 0 12px; }
.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
td.wrap { white-space: normal; }
.text-link, .chip-link, .block-link {
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  text-align: left;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.chip-link {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 3px 10px;
  margin: 0 4px 6px 0;
  color: var(--ink);
}
.chip-link:hover { border-color: var(--accent); color: var(--accent); }
.chip-row { display: flex; flex-wrap: wrap; gap: 0; }
.link-stack { display: grid; gap: 6px; }
.block-link { padding: 4px 0; }
.empty { color: var(--muted); padding: 28px 8px; }
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 48px 16px;
  color: var(--muted);
  font-size: 14px;
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
footer { padding: 0 clamp(16px, 4vw, 48px) 40px; color: var(--muted); font-size: 13px; }
@media (max-width: 720px) {
  .top { flex-direction: column; align-items: stretch; }
  .brand strong { font-size: 24px; }
}