/* 🧠 Zero Pest Brain (brain.js) */
.brain-tabs { margin-bottom: 16px; display: inline-flex; flex-wrap: wrap; }
.brain-badge { background: var(--lime); color: var(--black); border-radius: 99px; padding: 0 7px;
  font-size: 11px; font-weight: 800; margin-left: 4px; }
.brain-tabs button.on .brain-badge { background: var(--lime); }

.brain-wrap { display: grid; grid-template-columns: 240px 1fr; gap: 16px; align-items: start; }
.brain-side { display: flex; flex-direction: column; gap: 8px; position: sticky; top: 16px; }
.brain-new { width: 100%; }
.brain-all { font-size: 12.5px; color: var(--ink-2); display: flex; gap: 6px; align-items: center;
  justify-content: flex-start; font-weight: 500; margin: 0; }
.brain-all input { width: auto; margin: 0; }
.brain-list { display: flex; flex-direction: column; gap: 2px; max-height: calc(100vh - 260px); overflow-y: auto; }
.brain-item { display: flex; flex-direction: column; padding: 8px 10px; border-radius: var(--r-sm);
  text-decoration: none; color: var(--ink); }
.brain-item:hover { background: var(--hover); }
.brain-item.on { background: var(--black); color: #fff; }
.brain-item .t { font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brain-item .m { font-size: 11.5px; color: var(--ink-3); }
.brain-none { color: var(--ink-3); font-size: 13px; padding: 10px; }

.brain-main { padding: 0; display: flex; flex-direction: column; height: calc(100vh - 190px); min-height: 420px; overflow: hidden; }
.brain-msgs { flex: 1; overflow-y: auto; padding: 20px 22px; display: flex; flex-direction: column; gap: 14px; }
.brain-ro { font-size: 12.5px; color: var(--ink-2); background: var(--hover); padding: 6px 10px; border-radius: var(--r-sm); align-self: flex-start; }

.bmsg { display: flex; gap: 10px; max-width: 100%; }
.bmsg.me { justify-content: flex-end; }
.bmsg.me .bub { background: var(--black); color: #fff; border-radius: 16px 16px 4px 16px; padding: 10px 14px;
  max-width: 78%; overflow-wrap: anywhere; }
.bmsg.me .bub img { display: block; max-width: 220px; max-height: 220px; border-radius: 10px; margin-bottom: 6px; }
.bmsg.ai .av { width: 30px; height: 30px; flex-shrink: 0; border-radius: 50%; background: var(--lime);
  display: flex; align-items: center; justify-content: center; font-size: 16px; }
.bmsg.ai .bub { background: var(--hover); border: 1px solid var(--line); border-radius: 4px 16px 16px 16px;
  padding: 10px 14px; max-width: min(760px, 88%); min-width: 0; overflow-wrap: anywhere; }
.bmsg.ai .bub p { margin: 0 0 8px; }
.bmsg.ai .bub p:last-child { margin-bottom: 0; }
.bmsg.ai .bub ul, .bmsg.ai .bub ol { margin: 4px 0 8px 20px; }
.bmsg.ai .bub li { margin: 2px 0; }
.bmsg.ai .bub h2, .bmsg.ai .bub h3, .bmsg.ai .bub h4, .bmsg.ai .bub h5 { font-family: 'Inter', sans-serif; font-size: 14.5px;
  font-weight: 800; margin: 10px 0 4px; }
.bmsg.ai .bub table.mdt { border-collapse: collapse; margin: 6px 0; font-size: 13px; display: block; overflow-x: auto; }
.bmsg.ai .bub table.mdt td, .bmsg.ai .bub table.mdt th { border: 1px solid var(--line); padding: 4px 8px; text-align: left; }
.bmsg.ai .bub code { background: #eef1ea; padding: 1px 4px; border-radius: 4px; font-size: 12.5px; }
.brain-status { font-size: 12.5px; color: var(--ink-2); margin-top: 6px; }
.brain-err { color: var(--red); font-size: 13px; margin-top: 6px; }
.brain-src { font-size: 12px; color: var(--ink-2); margin-top: 8px; border-top: 1px solid var(--line); padding-top: 6px; }
.brain-src a { color: var(--blue); }
.brain-acts { display: flex; gap: 4px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.brain-acts button { font-size: 12px; }

.brain-dots { display: inline-flex; gap: 4px; padding: 4px 0; }
.brain-dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); animation: brainDot 1.2s infinite; }
.brain-dots span:nth-child(2) { animation-delay: .15s; }
.brain-dots span:nth-child(3) { animation-delay: .3s; }
@keyframes brainDot { 0%, 60%, 100% { opacity: .25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
@media (prefers-reduced-motion: reduce) { .brain-dots span { animation: none; opacity: .6; } }

.brain-hello { margin: auto; text-align: center; max-width: 560px; padding: 10px; }
.brain-big { font-size: 44px; line-height: 1; margin-bottom: 8px; }
.brain-hello h2 { font-family: 'Anton', sans-serif; font-weight: 400; font-size: 24px; margin-bottom: 6px; }
.brain-hello p { color: var(--ink-2); font-size: 13.5px; margin-bottom: 14px; }
.brain-starters { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.brain-starters button { font-size: 12.5px; border-radius: 99px; padding: 7px 12px; text-align: left; }

.brain-compose { border-top: 1px solid var(--line); padding: 10px 12px 8px; background: var(--card); }
.brain-row { display: flex; gap: 8px; align-items: flex-end; }
.brain-row textarea { flex: 1; resize: none; min-height: 40px; max-height: 180px; font: inherit; padding: 9px 12px;
  border-radius: 12px; border: 1px solid var(--line); line-height: 1.4; }
.brain-row textarea:focus { outline: 2px solid var(--lime-deep); outline-offset: 0; border-color: transparent; }
.brain-cam { font-size: 20px; cursor: pointer; padding: 6px 8px; border-radius: 10px; line-height: 1; min-height: 40px;
  display: flex; align-items: center; }
.brain-cam:hover { background: var(--hover); }
.brain-row button { min-height: 40px; }
.brain-thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.brain-thumbs:not(:empty) { margin-bottom: 8px; }
.bt { position: relative; }
.bt img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; display: block; }
.bt button { position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; padding: 0; border-radius: 50%;
  background: var(--black); color: #fff; border: none; font-size: 13px; line-height: 1; }
.brain-fine { font-size: 11px; color: var(--ink-3); margin-top: 6px; text-align: center; }

.brain-lede { color: var(--ink-2); margin-bottom: 14px; max-width: 760px; }
.brain-empty { text-align: center; padding: 36px 20px; }
.brain-empty p { color: var(--ink-2); margin-top: 6px; }
.brain-q { margin-bottom: 12px; }
.brain-q.dismissed { opacity: .6; }
.brain-q-head { font-size: 12.5px; color: var(--ink-2); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.brain-q-chat { margin-left: auto; font-size: 12.5px; }
.brain-q-q { font-weight: 700; font-size: 15px; margin: 6px 0; }
.brain-q-ctx { font-size: 13px; color: var(--ink-2); background: var(--hover); border-radius: var(--r-sm); padding: 8px 10px;
  margin-bottom: 8px; max-height: 160px; overflow-y: auto; }
.brain-q-a { font-size: 13.5px; border-left: 3px solid var(--lime-deep); padding-left: 10px; }
.brain-q textarea, .card #bk-body, .card #bk-title { width: 100%; font: inherit; padding: 8px 10px; border-radius: var(--r-sm);
  border: 1px solid var(--line); margin-bottom: 8px; }
.brain-q-foot { display: flex; gap: 8px; justify-content: flex-end; align-items: center; flex-wrap: wrap; }
.brain-q-foot select, .brain-k select { width: auto; }
.brain-q-foot select { margin-right: auto; }
.brain-hint { font-size: 12.5px; color: var(--ink-2); margin-bottom: 8px; }
.brain-k { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0;
  border-top: 1px solid var(--line); flex-wrap: wrap; }
.brain-k .t { font-weight: 600; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; min-width: 0; }
.brain-k .m { font-weight: 400; font-size: 12px; color: var(--ink-3); }
.brain-view { max-width: 760px; width: 100%; }
.brain-view-body { max-height: 60vh; overflow-y: auto; font-size: 13.5px; margin-bottom: 12px; }
.brain-view-body ul, .brain-view-body ol { margin-left: 20px; }

@media (max-width: 860px) {
  .brain-wrap { grid-template-columns: 1fr; }
  .brain-side { position: static; }
  .brain-list { flex-direction: row; overflow-x: auto; max-height: none; gap: 6px; padding-bottom: 4px; }
  .brain-item { flex: 0 0 auto; max-width: 180px; border: 1px solid var(--line); background: var(--card); }
  .brain-main { height: calc(100vh - 250px); min-height: 380px; }
  .brain-msgs { padding: 14px 12px; }
  .bmsg.ai .bub { max-width: calc(100% - 40px); }
  .bmsg.me .bub { max-width: 88%; }
  .brain-row textarea { font-size: 16px; } /* no iOS zoom on focus */
}