:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #fff);
  --text: var(--tg-theme-text-color, #111);
  --hint: var(--tg-theme-hint-color, #888);
  --card: var(--tg-theme-secondary-bg-color, #f2f2f4);
  --accent: var(--tg-theme-button-color, #2b7);
  --accent-text: var(--tg-theme-button-text-color, #fff);
  --link: var(--tg-theme-link-color, #2a72d4);
  --ok: #1a8a3a; --warn: #c98a00; --fail: #d23a3a;
}
* { box-sizing: border-box; }
body {
  margin: 0; font: 15px/1.5 -apple-system, system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  padding-bottom: 16px;
}
header { padding: 12px 14px 6px; }
h1 { font-size: 17px; margin: 0; }
.dirs { display: flex; gap: 6px; margin: 10px 0 2px; flex-wrap: wrap; }
.dir {
  border: 1px solid var(--card); background: var(--card); color: var(--text);
  border-radius: 999px; padding: 6px 12px; font-size: 13px; cursor: pointer;
}
.dir.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.tabs { display: flex; gap: 4px; padding: 6px 14px 0; }
.tab {
  flex: 1; text-align: center; padding: 9px; border-radius: 10px 10px 0 0;
  background: transparent; color: var(--hint); cursor: pointer; font-size: 14px;
}
.tab.on { background: var(--card); color: var(--text); font-weight: 600; }
main { padding: 12px 14px; }
.card { background: var(--card); border-radius: 14px; padding: 14px 16px; margin: 0 0 12px; }
.muted { color: var(--hint); font-size: 13px; }
button.act {
  background: var(--accent); color: var(--accent-text); border: 0;
  border-radius: 10px; padding: 10px 16px; font-size: 14px; cursor: pointer;
}
button.act:disabled { opacity: .5; }
.chips { display: flex; gap: 8px; margin: 10px 0; }
.chip { border-radius: 10px; padding: 8px 12px; font-weight: 600; flex: 1; text-align: center; color: #fff; }
.chip.ok { background: var(--ok); } .chip.warn { background: var(--warn); } .chip.fail { background: var(--fail); }
.list { margin: 6px 0 0; padding: 0; list-style: none; }
.list li { padding: 6px 0; border-top: 1px solid rgba(128,128,128,.18); font-size: 13px; }
.list li:first-child { border-top: 0; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; }
.dot.fail { background: var(--fail); } .dot.warn { background: var(--warn); }

/* chat */
#chatlog { display: flex; flex-direction: column; gap: 10px; margin-bottom: 84px; }
.msg { max-width: 92%; padding: 9px 12px; border-radius: 14px; white-space: normal; word-wrap: break-word; }
.msg.me { align-self: flex-end; background: var(--accent); color: var(--accent-text); }
.msg.bot { align-self: flex-start; background: var(--card); }
.msg pre { background: rgba(0,0,0,.28); color: #e6e6e6; padding: 10px; border-radius: 8px; overflow-x: auto; margin: 6px 0; }
.msg code { font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; }
.msg pre code { background: none; }
.toolchip { font-size: 12px; color: var(--hint); margin: 2px 0; }
.composer {
  position: fixed; left: 0; right: 0; bottom: 0; display: flex; gap: 8px;
  padding: 10px 12px; background: var(--bg); border-top: 1px solid rgba(128,128,128,.2);
}
.composer textarea {
  flex: 1; resize: none; border: 1px solid rgba(128,128,128,.3); border-radius: 12px;
  padding: 9px 12px; font: inherit; background: var(--card); color: var(--text); max-height: 96px;
}
.hidden { display: none !important; }
.spin::after { content: '⋯'; animation: blink 1s steps(3) infinite; }
@keyframes blink { to { opacity: .3; } }
.stop-btn {
  background: var(--fail); color: #fff; border: 0;
  border-radius: 10px; padding: 10px 14px; font-size: 16px; cursor: pointer; flex-shrink: 0;
}
.cursor { display: inline-block; animation: blink .7s steps(1) infinite; }
.ok-text { color: var(--ok); font-weight: 600; }
.card pre { background: rgba(0,0,0,.28); color: #e6e6e6; padding: 9px; border-radius: 8px; overflow-x: auto; font: 12px/1.4 ui-monospace, Menlo, monospace; margin: 4px 0 8px; }