:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #8b93a1;
  --accent: #4f8cff;
  --accent-2: #2d6ae0;
  --danger: #e5484d;
  --radius: 10px;
}

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

header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 5;
}
header h1 { font-size: 18px; margin: 0; }
.stats { color: var(--muted); font-size: 13px; }
.controls { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

input, select, textarea, button {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button { cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent-2); color: #fff; font-weight: 600; }
button.primary:hover { background: var(--accent-2); }
button.ghost { background: transparent; }
button.danger { color: var(--danger); border-color: var(--danger); background: transparent; }

main { display: grid; grid-template-columns: 340px 1fr; min-height: calc(100vh - 66px); }

.list { list-style: none; margin: 0; padding: 8px; border-right: 1px solid var(--border); overflow-y: auto; }
.list li {
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.list li:hover { background: var(--panel); }
.list li.active { background: var(--panel-2); outline: 1px solid var(--accent); }
.list .name { font-weight: 600; }
.list .meta { font-size: 12px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.tagchip { font-size: 11px; padding: 1px 7px; border-radius: 999px; background: #23324d; color: #9dbcff; }

.detail { padding: 24px; overflow-y: auto; }
.detail .empty { color: var(--muted); }
.detail h2 { margin: 0 0 4px; }
.detail .sub { color: var(--muted); margin: 0 0 16px; }
.detail section.block { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.detail section.block h3 { margin: 0 0 12px; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }

.row { display: flex; gap: 10px; margin-bottom: 10px; }
.row label { flex: 0 0 110px; color: var(--muted); padding-top: 8px; }
.row .field { flex: 1; }
.field input, .field textarea, .field select { width: 100%; }
textarea { resize: vertical; min-height: 60px; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 10px 0; border-top: 1px solid var(--border); }
.timeline li:first-child { border-top: none; }
.timeline .when { font-size: 12px; color: var(--muted); }
.badge { font-size: 11px; padding: 1px 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); }

.actions { display: flex; gap: 8px; margin-top: 8px; }
.inline-form { display: grid; gap: 8px; }
.hint { color: var(--muted); font-size: 12px; }
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); padding: 10px 16px;
  border-radius: 8px; opacity: 0; transition: opacity .2s; pointer-events: none;
}
.toast.show { opacity: 1; }

@media (max-width: 720px) {
  main { grid-template-columns: 1fr; }
  .list { max-height: 40vh; }
}