:root {
  --bg: #0b1020;
  --panel: #141b2e;
  --panel-2: #1e2740;
  --text: #e6ebf5;
  --muted: #9aa6bf;
  --accent: #5eead4;
  --accent-2: #38bdf8;
  --user: #1d4ed8;
  --error: #f87171;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  display: flex; justify-content: center;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.explorer { width: min(900px, 100%); padding: 1.75rem; display: flex; flex-direction: column; gap: 1.25rem; }
.explorer__header h1 { margin: 0; color: var(--accent); font-size: 1.8rem; }
.explorer__subtitle { margin: .4rem 0 0; color: var(--muted); max-width: 70ch; }
.panel { background: var(--panel); border: 1px solid var(--panel-2); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.panel h2 { margin: 0 0 .75rem; font-size: 1.1rem; color: var(--accent-2); }
.chat__history { list-style: none; margin: 0 0 .75rem; padding: 0; display: flex; flex-direction: column; gap: .55rem; }
.chat-entry { padding: .6rem .85rem; border-radius: var(--radius); background: var(--panel-2); max-width: 90%; white-space: pre-wrap; }
.chat-entry--user { align-self: flex-end; background: var(--user); }
.chat-entry--assistant { align-self: flex-start; }
.chat-entry__role { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-bottom: .15rem; }
.chat__form { display: flex; gap: .5rem; align-items: flex-end; }
.chat__input { flex: 1; resize: vertical; padding: .6rem .7rem; border-radius: var(--radius); border: 1px solid var(--panel-2); background: var(--bg); color: var(--text); font: inherit; }
.chat__input:focus { outline: 2px solid var(--accent); }
.btn { padding: .6rem 1.3rem; border: none; border-radius: var(--radius); background: var(--accent); color: #06241f; font-weight: 700; cursor: pointer; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn--secondary { background: var(--accent-2); color: #06283a; }
.chat__pending { display: flex; align-items: center; gap: .5rem; color: var(--muted); margin-bottom: .5rem; }
.spinner { width: 1rem; height: 1rem; border: 2px solid var(--panel-2); border-top-color: var(--accent); border-radius: 50%; display: inline-block; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.chat__error { margin: 0 0 .5rem; padding: .55rem .75rem; border-radius: var(--radius); background: rgba(248,113,113,.12); border: 1px solid var(--error); color: #fecaca; }
.logs__controls { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: .6rem; flex-wrap: wrap; }
.checkbox { color: var(--muted); display: flex; align-items: center; gap: .4rem; }
.logs__output { max-height: 360px; overflow: auto; background: var(--bg); border: 1px solid var(--panel-2); border-radius: var(--radius); padding: .8rem; font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; word-break: break-word; }
.explorer__footer { color: var(--muted); }
.explorer__footer a { color: var(--accent-2); }