:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #111a2e;
  --panel-2: #0f1729;
  --text: #e6edf7;
  --muted: #93a4bd;
  --accent: #8bd5ff;
  --critic: #ffb86b;
  --proposer: #9cffc7;
  --border: rgba(255,255,255,0.12);
}
* { box-sizing: border-box; }
html, body { max-width: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(139,213,255,0.16), transparent 35%), var(--bg);
  color: var(--text);
}
header {
  padding: 32px clamp(20px, 4vw, 56px) 20px;
  border-bottom: 1px solid var(--border);
}
h1 { margin: 0; font-size: clamp(2rem, 4vw, 4rem); letter-spacing: -0.04em; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem; margin: 0 0 8px; }
.subtitle { color: var(--muted); margin: 10px 0 0; max-width: 800px; }
main { display: grid; grid-template-columns: minmax(280px, 360px) minmax(0, 1fr); gap: 18px; padding: 18px; width: 100%; max-width: 100%; }
aside, .detail { background: rgba(17,26,46,0.78); border: 1px solid var(--border); border-radius: 18px; padding: 18px; min-height: calc(100vh - 170px); min-width: 0; }
aside { overflow: auto; }
.detail { overflow-wrap: anywhere; }
h2, h3 { margin-top: 0; overflow-wrap: anywhere; }
.list { display: grid; gap: 10px; }
.item { width: 100%; text-align: left; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); border-radius: 12px; padding: 12px; cursor: pointer; }
.item:hover, .item.active { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(139,213,255,0.25); }
.item .date { color: var(--muted); font-size: 0.78rem; margin-bottom: 6px; }
.item .prompt { font-weight: 650; line-height: 1.25; overflow-wrap: anywhere; }
.meta { color: var(--muted); display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 18px; min-width: 0; overflow-wrap: anywhere; }
.prompt-box, .final, .turn { background: var(--panel-2); border: 1px solid var(--border); border-radius: 14px; padding: 14px; margin-bottom: 14px; min-width: 0; max-width: 100%; overflow-wrap: anywhere; }
.final { border-color: rgba(139,213,255,0.4); }
.turn.proposer, .turn.proposer_final { border-left: 4px solid var(--proposer); }
.turn.critic { border-left: 4px solid var(--critic); }
.role { text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); font-size: 0.76rem; margin-bottom: 8px; }
.content { white-space: pre-wrap; line-height: 1.5; }
.markdown-body { white-space: normal; overflow-wrap: anywhere; word-break: break-word; }
.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6 { margin: 0.9em 0 0.4em; letter-spacing: -0.015em; }
.markdown-body p, .markdown-body ul, .markdown-body ol, .markdown-body blockquote, .markdown-body pre { margin: 0.65em 0; }
.markdown-body ul, .markdown-body ol { padding-left: 1.35rem; }
.markdown-body li + li { margin-top: 0.25em; }
.markdown-body a { color: var(--accent); }
.markdown-body code { background: rgba(255,255,255,0.08); border: 1px solid var(--border); border-radius: 6px; padding: 0.08rem 0.28rem; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; font-size: 0.92em; }
.markdown-body pre { overflow: auto; background: rgba(0,0,0,0.28); border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.markdown-body pre code { display: block; background: transparent; border: 0; padding: 0; white-space: pre; }
.markdown-body blockquote { border-left: 3px solid var(--accent); color: var(--muted); padding-left: 12px; }
.markdown-body table { border-collapse: collapse; display: block; overflow-x: auto; width: 100%; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: 0.45rem 0.6rem; text-align: left; vertical-align: top; }
.markdown-body th { background: rgba(255,255,255,0.07); color: var(--text); }
.muted { color: var(--muted); }
.config { font-size: 0.85rem; color: var(--muted); }
@media (max-width: 850px) {
  header { padding: 22px 14px 16px; }
  h1 { font-size: clamp(1.65rem, 9vw, 2.35rem); }
  main { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 10px; }
  aside, .detail { min-height: auto; padding: 12px; border-radius: 14px; }
  aside { max-height: 42vh; }
  .detail > h2 { font-size: 1rem; line-height: 1.25; }
  .prompt-box, .final, .turn { padding: 11px; border-radius: 12px; }
  .turn.proposer, .turn.proposer_final, .turn.critic { border-left-width: 3px; }
  .meta { display: grid; gap: 6px; font-size: 0.86rem; }
  .markdown-body pre { padding: 10px; }
}
@media (max-width: 420px) {
  header { padding-inline: 10px; }
  main { padding: 8px; }
  aside, .detail { padding: 10px; }
  .prompt-box, .final, .turn { padding: 10px; }
  .markdown-body ul, .markdown-body ol { padding-left: 1.1rem; }
}