:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --border: #deded8;
  --accent: #2a62c9;
  --accent-soft: #e6eefb;
  --error: #b42318;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --surface: #1f1f1d;
    --text: #ececea;
    --muted: #9b9b95;
    --border: #34342f;
    --accent: #7aa7f5;
    --accent-soft: #23304a;
    --error: #f97066;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header, main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

header { padding-top: 32px; }
h1 { margin: 0 0 4px; font-size: 1.6rem; }
header p { margin: 0; color: var(--muted); }
code { font-family: var(--mono); font-size: 0.9em; }

#drop-zone {
  display: block;
  margin: 24px 0 8px;
  padding: 36px 16px;
  border: 2px dashed var(--border);
  border-radius: 10px;
  background: var(--surface);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
#drop-zone:hover, #drop-zone.dragging { border-color: var(--accent); background: var(--accent-soft); }
#drop-zone:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
#file-input { position: absolute; opacity: 0; width: 1px; height: 1px; }

#status { min-height: 1.5em; margin: 0 0 16px; color: var(--muted); }
#status.error { color: var(--error); }

#results { padding-bottom: 40px; }
#results[hidden] { display: none; }

/* Cards in a row stretch to the same height. */
#cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  min-width: 0;
}
.card h2 { margin: 0 0 10px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }

dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 0; }
dt { color: var(--muted); }
dt.nested { padding-left: 14px; }
dd { margin: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

#dxf-card { border-color: var(--accent); }

/* The download button on the right, the details button below it across the full width. */
#actions { display: flex; flex-direction: column; gap: 16px; margin: 16px 0 24px; }
#download-dxf { align-self: flex-end; }

.button {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--surface);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  overflow-wrap: anywhere;
  cursor: pointer;
}
/* In the muted colors of the cards, so it draws less attention than the download button. */
.button.secondary {
  border-color: var(--border);
  background: var(--surface);
  color: var(--muted);
  font-weight: 500;
}
.button.secondary:hover { filter: none; border-color: var(--muted); }
.button.secondary::before { content: "▸ "; }
.button.secondary[aria-expanded="true"]::before { content: "▾ "; }
.button:disabled { opacity: 0.6; cursor: progress; }
.button[hidden] { display: none; }
.button:hover { filter: brightness(1.1); }
.button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

#details[hidden] { display: none; }

#detail-info {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.info-card {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  min-width: 0;
}
.info-card h2 { margin: 0 0 6px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.info-card ul { margin: 0; padding: 0; list-style: none; }
.info-card li { overflow-wrap: anywhere; }
.info-card .key { color: var(--muted); }

#toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
#kind-filters { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.chip[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.chip .count { color: var(--muted); margin-left: 4px; font-variant-numeric: tabular-nums; }

#search {
  flex: 1 1 220px;
  max-width: 320px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

#table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 7px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
th { font-size: 0.8rem; font-weight: 600; color: var(--muted); background: var(--bg); position: sticky; top: 0; }
td:first-child, td:nth-child(3) { font-variant-numeric: tabular-nums; color: var(--muted); white-space: nowrap; }
td:nth-child(2) { white-space: nowrap; font-weight: 500; }
td:last-child { font-family: var(--mono); font-size: 0.85rem; overflow-wrap: anywhere; }
tbody tr.element { cursor: pointer; }
tbody tr.element:hover { background: var(--accent-soft); }
tr.raw td { background: var(--bg); }
tr.raw pre { margin: 0; max-height: 360px; overflow: auto; font-size: 0.8rem; white-space: pre-wrap; overflow-wrap: anywhere; }

#show-more {
  display: block;
  margin: 12px auto 0;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}
#show-more[hidden] { display: none; }