:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #666;
  --border: #e0e0e0;
  --accent: #0066cc;
  --accent-bg: #e8f0fe;
  --green: #1f9d55;
  --red: #c53030;
  --amber: #b7791f;
  --code-bg: #f4f4f4;
}

* { box-sizing: border-box; }

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

header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
}
header h1 { font-size: 1.1rem; margin: 0; }
header h1 a { color: var(--fg); text-decoration: none; }
header nav { display: flex; gap: 1.25rem; }
header nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
header nav a:hover { color: var(--accent); }
header nav .sep { color: var(--border); }

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}
h2 { margin-top: 0; font-size: 1.4rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; }

footer {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem 1rem;
}
footer a { color: var(--muted); }

/* --- Stats cards --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
}
.card .label { color: var(--muted); font-size: 0.85rem; }
.card .value { font-size: 1.6rem; font-weight: 600; margin-top: 0.25rem; }
.card .sub { color: var(--muted); font-size: 0.8rem; }

/* --- Filter bar --- */
.filterbar {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.filterbar label { font-size: 0.85rem; color: var(--muted); }
.filterbar select, .filterbar input {
  font-size: 0.9rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
}
.filterbar button {
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 0.35rem 0.9rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}
.filterbar a.clear {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  margin-left: auto;
}

/* --- Tables --- */
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  vertical-align: top;
}
th { background: #f6f6f6; font-weight: 600; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
tr:hover { background: #fafbfd; }

td a, td a:visited { color: var(--accent); text-decoration: none; }
td a:hover { text-decoration: underline; }

.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.85rem; }

/* --- Badges --- */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.1rem 0.45rem;
  border-radius: 10px;
  background: var(--border);
  color: var(--fg);
}
.badge.inbound  { background: var(--accent-bg); color: var(--accent); }
.badge.outbound { background: #fff5e0; color: #875000; }
.badge.completed { background: #e6f7ee; color: var(--green); }
.badge.failed    { background: #fdecec; color: var(--red); }
.badge.ringing   { background: #f6f0fa; color: #6b3a98; }
.badge.user_hangup { background: var(--accent-bg); color: var(--accent); }
.badge.agent_hangup { background: #fff5e0; color: var(--amber); }
.badge.timeout, .badge.fonio_error { background: #fdecec; color: var(--red); }

/* --- Details / expandable --- */
details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.85rem;
  margin: 0.5rem 0;
}
details > summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  outline: none;
}
details > summary > .count {
  color: var(--muted);
  font-weight: 400;
  margin-left: 0.4rem;
  font-size: 0.85rem;
}
details[open] > summary { margin-bottom: 0.5rem; }

pre.payload {
  background: var(--code-bg);
  padding: 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 500px;
}

/* --- Transcript --- */
.transcript {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
}
.transcript .segment {
  display: grid;
  grid-template-columns: 60px 80px 1fr;
  gap: 0.5rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}
.transcript .segment:last-child { border-bottom: 0; }
.transcript .ts { color: var(--muted); font-size: 0.8rem; font-family: ui-monospace, monospace; }
.transcript .role { font-weight: 600; font-size: 0.85rem; }
.transcript .role.agent { color: var(--accent); }
.transcript .role.user { color: var(--green); }
.transcript .content { font-size: 0.9rem; }

/* --- KV-list --- */
.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.9rem;
  margin: 0.5rem 0;
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* --- Pagination --- */
.pager {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
}
.pager a, .pager span {
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  text-decoration: none;
  color: var(--fg);
  font-size: 0.85rem;
}
.pager a:hover { background: var(--accent-bg); }
.pager span.current { background: var(--accent); color: #fff; border-color: var(--accent); }
.pager span.disabled { color: var(--muted); background: #f9f9f9; }

/* --- Tool-call aggregates table --- */
.agg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.agg-grid .card { padding: 0.75rem 0.9rem; }
.agg-grid .card a { color: var(--accent); text-decoration: none; }
.agg-grid .card .slug { font-weight: 600; }
.agg-grid .card .count { font-size: 1.4rem; font-weight: 600; margin: 0.25rem 0; }
.agg-grid .card .last { color: var(--muted); font-size: 0.75rem; }

.empty {
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}

.endpoint-list {
  list-style: none;
  padding: 0;
}
.endpoint-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.endpoint-list li:last-child { border-bottom: 0; }
.endpoint-list .name { min-width: 160px; font-weight: 600; }
.endpoint-list .url {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--muted);
}