:root {
  --bg: #f4f1ea;
  --paper: #fffdf8;
  --ink: #1c1915;
  --muted: #5e584e;
  --line: #ddd6c8;
  --accent: #6b3a2a;
  --agent: #f7f3ea;
  --hidden: #f3eee6;
  --flag: #f6e4d4;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 "Iowan Old Style", "Palatino Linotype", Palatino, serif;
}
header {
  padding: 28px 32px 8px;
  max-width: 1280px;
}
h1 { font-size: 28px; font-weight: 600; margin: 0 0 8px; letter-spacing: -0.02em; }
.kicker { margin: 0 0 6px; color: var(--accent); font: 12px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.04em; text-transform: uppercase; }
.lede { max-width: 78ch; color: var(--muted); margin: 0; }
#app { padding: 16px 32px 48px; max-width: 1280px; }
.layout { display: grid; grid-template-columns: 220px 1fr; gap: 22px; align-items: start; }
nav { position: sticky; top: 12px; display: flex; flex-direction: column; gap: 4px; }
nav button {
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
}
nav button strong { display: block; font-size: 14px; }
nav button span { color: var(--muted); font-size: 12px; }
nav button.active { background: var(--paper); border-color: var(--line); }
.task h2 { margin: 0 0 4px; font-size: 22px; font-weight: 600; }
.meta { color: var(--muted); margin: 0 0 14px; font-size: 13px; }
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 980px) {
  .layout, .columns { grid-template-columns: 1fr; }
  nav { position: static; flex-direction: row; flex-wrap: wrap; }
}
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px 16px; }
.panel h3 { margin: 0 0 8px; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.agent h3 { color: #2d4a32; }
.hidden h3 { color: var(--accent); }
.prompt, .excerpt, .files { white-space: pre-wrap; font: 12.5px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--agent); border-radius: 6px; padding: 12px; margin: 0 0 12px; overflow: auto; }
.hidden .prompt, .hidden .excerpt { background: var(--hidden); }
.files { background: transparent; padding: 0; }
.flag { background: var(--flag); border-radius: 6px; padding: 8px 10px; margin: 0 0 8px; font-size: 14px; }
.excerpt-label { font: 12px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); margin: 10px 0 4px; }
ul.clean { margin: 0 0 12px; padding-left: 18px; }
ul.clean li { margin: 2px 0; }