/* ============================================================
   Luafy - workspace (app) styles  v2
   Modern AI chat: collapsible rails, streaming, rich code blocks.
   ============================================================ */

html, body { height: 100%; }
body { overflow: hidden; -webkit-text-size-adjust: 100%; }

.app {
  display: grid;
  grid-template-columns: var(--left-w, 270px) minmax(0, 1fr) var(--right-w, 324px);
  grid-template-rows: 56px minmax(0, 1fr);
  grid-template-areas:
    "top top top"
    "left center right";
  height: 100dvh;
  transition: grid-template-columns .34s var(--ease);
}
.app.left-collapsed  { --left-w: 0px; }
.app.right-collapsed { --right-w: 0px; }

/* ---------------- topbar ---------------- */
.topbar {
  grid-area: top;
  display: flex; align-items: center; gap: 10px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  z-index: 30;
}
.topbar .brand .name { font-size: 18px; }
.rail-toggle {
  width: 36px; height: 36px; border-radius: 9px; flex: none;
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  display: grid; place-items: center; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.rail-toggle:hover { background: var(--bg-2); color: var(--text); border-color: var(--line-2); }
.rail-toggle svg { transition: transform .3s var(--ease); }

.ctx-status {
  display: inline-flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg-1);
  font-size: 12.5px; color: var(--muted); font-weight: 500;
  max-width: 320px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.ctx-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); flex: none; transition: background .3s, box-shadow .3s; }
.ctx-dot.live { background: var(--ok); box-shadow: 0 0 0 4px rgba(52,211,153,.16); animation: ctxPulse 2s ease-in-out infinite; }
@keyframes ctxPulse { 0%,100% { box-shadow: 0 0 0 3px rgba(52,211,153,.14); } 50% { box-shadow: 0 0 0 6px rgba(52,211,153,.05); } }
#ctxLabel { overflow: hidden; text-overflow: ellipsis; }

.top-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--bg-1); color: var(--muted); display: grid; place-items: center; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, transform .15s;
}
.icon-btn:hover { background: var(--bg-2); color: var(--text); border-color: var(--line-2); }
.icon-btn:active { transform: scale(.93); }

/* settings panel */
.settings-wrap { position: relative; }
.settings-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(430px, 92vw);
  background: var(--elev);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  box-shadow: var(--sh-lg);
  z-index: 80;
  opacity: 0;
  transform: translateY(-8px) scale(.98);
  pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.settings-wrap.open .settings-panel { opacity: 1; transform: none; pointer-events: auto; }
.set-head { padding: 12px 13px 9px; border-bottom: 1px solid var(--line); }
.set-title { font-size: 13px; font-weight: 700; color: var(--text); }
.set-sub { margin-top: 2px; font-size: 11px; color: var(--faint); }
.set-tabs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; padding: 10px 12px 6px; }
.set-tab {
  height: 31px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .12s, background .12s, color .12s;
}
.set-tab:hover { border-color: var(--line-2); color: var(--text); }
.set-tab.active { border-color: var(--green); background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--text); }
.set-body { max-height: min(62vh, 430px); overflow: hidden; padding: 0 12px 12px; }
.set-pane { display: none; height: 100%; overflow-y: auto; padding-right: 2px; }
.set-pane.active { display: block; }
.set-row { display: flex; flex-direction: column; gap: 7px; margin-top: 6px; }
.set-row-inline { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 7px; }
.set-input {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--text);
  font-family: var(--sans);
  font-size: 12.5px;
  padding: 8px 10px;
  outline: none;
}
.set-input:focus { border-color: var(--green); }
.set-input::placeholder { color: var(--faint); }
.set-area { resize: vertical; min-height: 70px; }
.set-add-btn {
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--text);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  padding: 0 12px;
  cursor: pointer;
  transition: border-color .12s, background .12s;
}
.set-add-btn:hover { border-color: var(--green); background: color-mix(in srgb, var(--green) 12%, transparent); }
.set-note { margin-top: 8px; font-size: 11px; color: var(--faint); line-height: 1.4; }
.set-list { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.set-empty {
  border: 1px dashed var(--line);
  border-radius: 9px;
  color: var(--faint);
  font-size: 11.5px;
  text-align: center;
  padding: 12px 10px;
}
.set-item {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg-1);
  padding: 8px 9px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.set-item-main { min-width: 0; flex: 1; }
.set-item-title { font-size: 12px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.set-item-sub { font-size: 11px; color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.set-item-actions { display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0; }
.set-pill {
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--bg-2);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 9px;
  cursor: pointer;
}
.set-pill:hover { color: var(--text); border-color: var(--green); }
.set-pill.on { color: var(--green); border-color: var(--green); background: color-mix(in srgb, var(--green) 16%, transparent); }
.set-rm {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--faint);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}
.set-rm:hover { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }

/* account menu */
.acct { position: relative; }
.top-ava { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-2); overflow: hidden; cursor: pointer; padding: 0; background: var(--bg-2); transition: border-color .15s, transform .15s; }
.top-ava:hover { border-color: var(--green); }
.top-ava:active { transform: scale(.93); }
.top-ava img { width: 100%; height: 100%; object-fit: cover; display: block; }
.acct-menu {
  position: absolute; top: calc(100% + 10px); right: 0; width: 232px;
  background: var(--elev); border: 1px solid var(--line-2); border-radius: 14px;
  box-shadow: var(--sh-lg); padding: 7px; z-index: 60;
  opacity: 0; transform: translateY(-8px) scale(.97); pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.acct-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.acct-head { display: flex; align-items: center; gap: 10px; padding: 9px 9px 11px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.acct-head .a-av { width: 34px; height: 34px; border-radius: 50%; overflow: hidden; flex: none; background: var(--bg-2); }
.acct-head .a-av img { width: 100%; height: 100%; object-fit: cover; }
.acct-head .a-nm { font-size: 13.5px; font-weight: 700; line-height: 1.2; }
.acct-head .a-sub { font-size: 11.5px; color: var(--faint); }
.acct-item { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; padding: 9px 10px; border-radius: 9px; border: none; background: transparent; color: var(--text); font-family: var(--sans); font-size: 13.5px; font-weight: 500; cursor: pointer; transition: background .12s; }
.acct-item:hover { background: var(--bg-2); }
.acct-item.danger { color: var(--danger); }
.acct-item.danger:hover { background: color-mix(in srgb, var(--danger) 14%, transparent); }

/* model picker */
.model-pick { position: relative; flex: none; }
.mp-btn {
  display: inline-flex; align-items: center; gap: 8px; height: 36px; flex: none;
  padding: 0 9px 0 12px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--bg-1); color: var(--text); font-family: var(--sans);
  font-size: 13px; font-weight: 600; letter-spacing: -0.01em; cursor: pointer;
  max-width: 220px; transition: background .15s, border-color .15s, transform .15s;
}
.mp-btn:hover { background: var(--bg-2); border-color: var(--line-2); }
.mp-btn:active { transform: scale(.97); }
.mp-dot { width: 7px; height: 7px; border-radius: 50%; flex: none; background: var(--green); box-shadow: 0 0 8px var(--glow); }
.mp-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mp-chev { color: var(--faint); flex: none; transition: transform .2s var(--ease); }
.model-pick.open .mp-chev { transform: rotate(180deg); }

.model-menu {
  position: absolute; top: calc(100% + 10px); right: 0; width: 312px;
  max-height: min(70vh, 540px); overflow-y: auto;
  background: var(--elev); border: 1px solid var(--line-2); border-radius: 14px;
  box-shadow: var(--sh-lg); padding: 7px; z-index: 60;
  opacity: 0; transform: translateY(-6px); pointer-events: none;
  transition: transform .18s var(--ease);
}
.model-pick.open .model-menu { opacity: 1; transform: none; pointer-events: auto; }
.mm-group { font-size: 10.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--faint); padding: 11px 10px 5px; }
.mm-group:first-child { padding-top: 5px; }
.mm-item {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  padding: 9px 10px; border-radius: 10px; border: none; background: transparent;
  color: var(--text); font-family: var(--sans); cursor: pointer; transition: background .14s;
}
.mm-item:hover { background: var(--bg-2); }
.mm-item.sel { background: color-mix(in srgb, var(--green) 13%, transparent); }
.mm-item.dis { opacity: .5; cursor: not-allowed; }
.mm-item.dis:hover { background: transparent; }
.mm-main { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.mm-name { font-size: 13px; font-weight: 600; }
.mm-price { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.mm-check { width: 16px; height: 16px; flex: none; color: var(--green); opacity: 0; }
.mm-item.sel .mm-check { opacity: 1; }

/* ---------------- left rail: history ---------------- */
.rail {
  overflow: hidden; min-width: 0;
  background: var(--bg);
  display: flex; flex-direction: column;
}
.rail-left { grid-area: left; border-right: 1px solid var(--line); }
.rail-inner { width: 270px; display: flex; flex-direction: column; height: 100%; min-height: 0; }

.rail-pad { padding: 12px 12px 8px; }
.new-chat-btn {
  width: 100%; height: 40px; border-radius: 11px; border: 1px solid var(--line-2);
  background: var(--bg-1); color: var(--text); font-family: var(--sans); font-size: 13.5px; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background .15s, border-color .15s, transform .1s;
}
.new-chat-btn:hover { background: var(--bg-2); border-color: var(--green); }
.new-chat-btn:active { transform: translateY(1px); }

.hist-search { padding: 4px 12px 8px; }
.hist-search .field {
  display: flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 11px; border-radius: 10px;
  background: var(--bg-1); border: 1px solid var(--line);
  transition: border-color .15s;
}
.hist-search .field:focus-within { border-color: var(--green); }
.hist-search svg { color: var(--faint); flex: none; }
.hist-search input { flex: 1; background: transparent; border: none; outline: none; color: var(--text); font-family: var(--sans); font-size: 13px; min-width: 0; }
.hist-search input::placeholder { color: var(--faint); }

.rail-label { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); padding: 8px 16px 6px; }
.hist-list { flex: 1; overflow-y: auto; padding: 0 8px 12px; display: flex; flex-direction: column; gap: 2px; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; touch-action: pan-y; }
.hist-empty { padding: 14px 12px; font-size: 12.5px; color: var(--faint); text-align: center; }
.hist-item {
  position: relative; display: flex; align-items: center; gap: 8px;
  padding: 9px 10px; border-radius: 9px; cursor: pointer;
  font-size: 13px; color: var(--muted); border: 1px solid transparent;
  transition: background .12s, color .12s;
  animation: railIn .3s var(--ease) both;
}
@keyframes railIn { from { opacity: 0; transform: translateY(4px); } }
.hist-item:hover { background: var(--bg-1); color: var(--text); }
.hist-item.active { background: var(--bg-2); color: var(--text); border-color: var(--line); }
.hist-item .h-ico { color: var(--faint); flex: none; }
.hist-item.active .h-ico { color: var(--green); }
.hist-item .h-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-item .h-title input { width: 100%; background: var(--bg); border: 1px solid var(--green); border-radius: 6px; color: var(--text); font-family: var(--sans); font-size: 13px; padding: 2px 6px; outline: none; }
.hist-actions { display: flex; gap: 2px; opacity: 0; transition: opacity .15s; flex: none; }
.hist-item:hover .hist-actions, .hist-item:focus-within .hist-actions { opacity: 1; }
.hist-act { width: 24px; height: 24px; border-radius: 7px; border: none; background: transparent; color: var(--faint); display: grid; place-items: center; cursor: pointer; transition: background .12s, color .12s; }
.hist-act:hover { background: var(--bg-3); color: var(--text); }
.hist-act.del:hover { color: var(--danger); background: color-mix(in srgb, var(--danger) 16%, transparent); }

/* ---------------- right rail: game context ---------------- */
.rail-right { grid-area: right; border-left: 1px solid var(--line); }
.rail-right .rail-inner { width: 324px; }
.ctx-head { display: flex; align-items: center; gap: 9px; padding: 13px 14px 11px; border-bottom: 1px solid var(--line); }
.ctx-head .ct-t { font-size: 13px; font-weight: 700; }
.ctx-head .ct-sub { font-size: 11px; color: var(--faint); margin-top: 1px; }
.ctx-head .refresh-ico { margin-left: auto; width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg-1); color: var(--muted); display: grid; place-items: center; cursor: pointer; transition: background .15s, color .15s; }
.ctx-head .refresh-ico:hover { background: var(--bg-2); color: var(--text); }
.ctx-head .refresh-ico.spin svg { animation: sp .7s linear infinite; }
@keyframes sp { to { transform: rotate(360deg); } }

.explorer-search { padding: 10px 12px 8px; }
.explorer-search .field { display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 10px; border-radius: 9px; background: var(--bg-1); border: 1px solid var(--line); transition: border-color .15s; }
.explorer-search .field:focus-within { border-color: var(--green); }
.explorer-search svg { color: var(--faint); flex: none; }
.explorer-search input { flex: 1; background: transparent; border: none; outline: none; color: var(--text); font-family: var(--sans); font-size: 12.5px; min-width: 0; }
.explorer-search input::placeholder { color: var(--faint); }

.svc-actions { padding: 0 12px 8px; }
.svc-add { width: 100%; font-size: 12px; font-weight: 600; color: var(--muted); background: var(--bg-1); border: 1px solid var(--line); border-radius: 9px; padding: 8px; cursor: pointer; transition: background .12s, color .12s, border-color .12s; }
.svc-add:hover { background: var(--bg-2); color: var(--text); border-color: var(--line-2); }

.url-add-row { display: flex; gap: 6px; }
.url-input { flex: 1; font-size: 12px; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg-0); color: var(--text); font-family: var(--mono); outline: none; }
.url-input:focus { border-color: var(--green); }
.url-input::placeholder { color: var(--faint); }
.url-fetch-btn { flex-shrink: 0; width: auto; padding: 7px 14px; }

.tree { flex: 1; overflow-y: auto; padding: 4px 6px 10px; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; touch-action: pan-y; }
.tree-node { user-select: none; }
.tree-row { display: flex; align-items: center; gap: 6px; padding: 4px 8px; border-radius: 7px; cursor: pointer; font-size: 12.5px; color: var(--muted); transition: background .1s, color .1s; }
.tree-row:hover { background: var(--bg-1); color: var(--text); }
.tree-row.selected { background: color-mix(in srgb, var(--green) 16%, transparent); color: var(--text); }
.tree-row .arr { width: 12px; flex: none; font-size: 9px; color: var(--faint); transition: transform .18s var(--ease); display: inline-grid; place-items: center; }
.tree-row.open .arr { transform: rotate(90deg); }
.tree-row .ico { flex: none; display: grid; place-items: center; color: var(--faint); }
.tree-row.selected .ico { color: var(--green); }
.tree-row .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-row .cls-tag { font-size: 10px; color: var(--faint); opacity: .6; white-space: nowrap; margin-left: 2px; flex-shrink: 0; }
.tree-row.is-script .lbl { color: #4fc1ff; }
.tree-row.is-script .cls-tag { color: #4fc1ff; opacity: .5; }
.add-ctx-btn { background: none; border: 1px solid var(--line); border-radius: 4px; font-size: 13px; font-weight: 700; cursor: pointer; padding: 0 5px; margin-left: auto; opacity: 0; transition: opacity .15s; flex-shrink: 0; color: var(--green); line-height: 1.4; }
.tree-row:hover .add-ctx-btn { opacity: .7; }
.add-ctx-btn:hover { opacity: 1 !important; background: color-mix(in srgb, var(--green) 14%, transparent); border-color: var(--green); }
.view-src-btn { background: none; border: 1px solid var(--line); border-radius: 4px; font-size: 11px; cursor: pointer; padding: 0 4px; opacity: 0; transition: opacity .15s; flex-shrink: 0; color: var(--muted); margin-left: 3px; }
.tree-row:hover .view-src-btn { opacity: .7; }
.view-src-btn:hover { opacity: 1 !important; background: var(--bg-2); }
.search-result { padding-left: 8px !important; }
.search-path { font-size: 10px; color: var(--faint); padding: 0 8px 4px 28px; font-family: var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.src-modal-overlay { position: fixed; inset: 0; z-index: 900; background: rgba(0,0,0,.6); display: grid; place-items: center; }
.src-modal { background: var(--bg-0); border: 1px solid var(--line-2); border-radius: 14px; width: min(720px, 90vw); max-height: 80vh; display: flex; flex-direction: column; box-shadow: var(--sh-lg); }
.src-modal-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); gap: 8px; }
.src-modal-title { font-size: 13px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.src-modal-title .cls-tag { font-weight: 400; font-size: 11px; color: var(--faint); }
.src-modal-actions { display: flex; gap: 6px; flex-shrink: 0; }
.src-btn { font-size: 12px; padding: 4px 10px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg-2); color: var(--muted); cursor: pointer; transition: background .1s; }
.src-btn:hover { background: var(--bg-3); color: var(--text); }
.src-close { font-size: 16px; padding: 2px 8px; }
.src-modal-code { flex: 1; overflow: auto; padding: 16px; margin: 0; font-family: var(--mono); font-size: 12px; color: var(--text); white-space: pre; line-height: 1.6; background: var(--bg-1); border-radius: 0 0 14px 14px; }
.tree-children { display: none; }
.tree-children.open { display: block; }
.ctx-empty { padding: 18px 14px; font-size: 12.5px; color: var(--faint); text-align: center; line-height: 1.5; }
.ctx-empty .ce-ico { margin: 0 auto 10px; width: 38px; height: 38px; border-radius: 11px; background: var(--bg-1); border: 1px solid var(--line); display: grid; place-items: center; color: var(--faint); }

.sel-bar { border-top: 1px solid var(--line); padding: 10px 12px; display: flex; flex-wrap: wrap; gap: 6px; max-height: 120px; overflow-y: auto; }
.sel-bar:empty { display: none; }
.sel-chip { font-size: 11px; color: var(--text); background: color-mix(in srgb, var(--green) 14%, var(--bg-1)); border: 1px solid color-mix(in srgb, var(--green) 30%, transparent); border-radius: 7px; padding: 4px 7px; cursor: pointer; display: flex; align-items: center; gap: 5px; transition: border-color .12s, background .12s; animation: railIn .25s var(--ease) both; }
.sel-chip:hover { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, var(--bg-1)); }
.sel-chip .x { color: var(--faint); font-size: 13px; line-height: 1; }

/* ---------------- center: chat ---------------- */
.chat-area { grid-area: center; display: flex; flex-direction: column; min-width: 0; min-height: 0; position: relative; touch-action: pan-y; }
.msgs { flex: 1; overflow-y: auto; scroll-behavior: smooth; padding: 26px 0 14px; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; min-height: 0; touch-action: pan-y; }
.msgs-inner { max-width: 800px; margin: 0 auto; width: 100%; padding: 0 22px; display: flex; flex-direction: column; gap: 26px; }

/* messages */
.msg { display: flex; gap: 13px; align-items: flex-start; animation: msgIn .4s var(--ease) both; }
@keyframes msgIn { from { opacity: 0; transform: translateY(10px); } }
.msg.user { flex-direction: row-reverse; }
.msg-ava { width: 30px; height: 30px; border-radius: 9px; flex: none; display: grid; place-items: center; font-size: 13px; font-weight: 700; overflow: hidden; }
.msg.asst .msg-ava { background: linear-gradient(150deg, var(--green), #4853db); color: #fff; box-shadow: 0 4px 12px -4px var(--glow); }
.msg.user .msg-ava { background: var(--bg-2); border: 1px solid var(--line-2); color: var(--muted); }
.msg-ava img { width: 100%; height: 100%; object-fit: cover; }

.msg-col { min-width: 0; max-width: 88%; display: flex; flex-direction: column; gap: 4px; }
.msg.user .msg-col { align-items: flex-end; }
.msg-bubble { font-size: 15px; line-height: 1.7; color: var(--text); }
.msg.user .msg-bubble { background: var(--bg-1); border: 1px solid var(--line); padding: 11px 15px; border-radius: 16px 16px 4px 16px; }
.msg.asst .msg-bubble { padding: 2px 0; }
.msg-bubble p { margin: 10px 0 0; }
.msg-bubble p:first-child { margin-top: 0; }
.msg-bubble a { color: var(--green); text-decoration: underline; text-underline-offset: 2px; }
.msg-bubble code.inline { font-family: var(--mono); font-size: .88em; background: var(--bg-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 5px; }

/* message action row */
.msg-actions { display: flex; gap: 2px; opacity: 0; transform: translateY(-3px); transition: opacity .16s, transform .16s; }
.msg:hover .msg-actions, .msg:focus-within .msg-actions { opacity: 1; transform: none; }
.msg.user .msg-actions { flex-direction: row-reverse; }
.m-act { display: inline-flex; align-items: center; gap: 5px; height: 28px; padding: 0 8px; border-radius: 8px; border: none; background: transparent; color: var(--faint); font-family: var(--sans); font-size: 12px; font-weight: 600; cursor: pointer; transition: background .12s, color .12s; }
.m-act:hover { background: var(--bg-2); color: var(--text); }
.m-act svg { flex: none; }

/* code blocks */
.codeblock { margin: 12px 0 2px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line-2); background: var(--code-bg); box-shadow: var(--sh-sm); }
.cb-bar { display: flex; align-items: center; gap: 9px; padding: 8px 10px 8px 13px; background: var(--code-bar); border-bottom: 1px solid rgba(255,255,255,.06); }
.cb-lang { font-family: var(--mono); font-size: 11px; color: #aab3cc; display: inline-flex; align-items: center; gap: 7px; }
.cb-lang .cb-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.cb-actions { margin-left: auto; display: flex; gap: 2px; }
.cb-btn { display: inline-flex; align-items: center; gap: 5px; height: 26px; padding: 0 8px; border-radius: 7px; border: none; background: transparent; color: #9aa6c2; font-family: var(--sans); font-size: 11.5px; font-weight: 600; cursor: pointer; transition: background .12s, color .12s; }
.cb-btn:hover { background: rgba(255,255,255,.07); color: #fff; }
.cb-btn.exec { color: #ffb454; }
.cb-btn.exec:hover { background: rgba(255,180,84,.14); }
.cb-btn.exec.sent { color: var(--ok); cursor: default; }
.cb-btn.exec.sent:hover { background: transparent; }
.cb-btn.exec.fail { color: var(--danger); }
.cb-btn.active { color: #fff; background: rgba(255,255,255,.08); }
.cb-body { display: grid; grid-template-columns: auto 1fr; max-height: 460px; overflow: auto; transition: max-height .3s var(--ease); }
.codeblock.collapsed .cb-body { max-height: 0; }
.cb-gutter { user-select: none; text-align: right; padding: 13px 0 13px 0; font-family: var(--mono); font-size: 12.5px; line-height: 1.65; color: #4b5572; background: color-mix(in srgb, var(--code-bg) 88%, #000); border-right: 1px solid rgba(255,255,255,.05); }
.cb-gutter span { display: block; padding: 0 12px; }
.codeblock pre { margin: 0; overflow-x: auto; }
.codeblock.wrap pre { white-space: pre-wrap; }
.codeblock.wrap .cb-body { overflow-x: hidden; }
.codeblock code { display: block; padding: 13px 16px; font-family: var(--mono); font-size: 12.5px; line-height: 1.65; color: var(--code-tx); white-space: inherit; }
.codeblock pre code { white-space: pre; }
.codeblock.wrap pre code { white-space: pre-wrap; word-break: break-word; }

/* streaming caret */
.stream-caret { display: inline-block; width: 8px; height: 1.05em; transform: translateY(2px); background: var(--green); border-radius: 1px; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* typing indicator */
.typing .msg-bubble { display: inline-flex; align-items: center; gap: 5px; padding: 12px 4px; }
.typing .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); animation: tdot 1.2s ease-in-out infinite; }
.typing .dot:nth-child(2) { animation-delay: .18s; }
.typing .dot:nth-child(3) { animation-delay: .36s; }
@keyframes tdot { 0%,80%,100% { transform: scale(.6); opacity: .4; } 40% { transform: scale(1); opacity: 1; } }

/* empty state */
.chat-empty { flex: 1; display: grid; place-items: center; text-align: center; padding: 40px 24px; }
.chat-empty .ce-mark { width: 60px; height: 60px; border-radius: 18px; margin: 0 auto 22px; background: linear-gradient(150deg, var(--green), #4853db); position: relative; overflow: hidden; box-shadow: 0 16px 40px -14px var(--glow); animation: floaty 5s ease-in-out infinite; }
.chat-empty .ce-mark::before { content: ""; position: absolute; width: 30px; height: 30px; border-radius: 50%; top: 14px; left: 12px; background: #eef1ff; }
.chat-empty .ce-mark::after { content: ""; position: absolute; width: 30px; height: 30px; border-radius: 50%; top: 8px; left: 20px; background: #4956da; }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-8px) rotate(3deg); } }
.chat-empty h2 { font-size: 28px; margin-bottom: 10px; }
.chat-empty p { color: var(--muted); font-size: 15.5px; max-width: 440px; margin: 0 auto; }
.suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 26px; max-width: 540px; width: 100%; }
.sug-btn { text-align: left; padding: 13px 15px; border-radius: 13px; background: var(--bg-1); border: 1px solid var(--line); color: var(--text); cursor: pointer; transition: background .15s, border-color .15s, transform .15s; font-family: var(--sans); }
.sug-btn:hover { background: var(--bg-2); border-color: var(--green); transform: translateY(-2px); }
.sug-btn .s-t { font-size: 13.5px; font-weight: 600; display: block; }
.sug-btn .s-d { font-size: 12px; color: var(--faint); margin-top: 2px; display: block; }
@media (max-width: 560px) { .suggestions { grid-template-columns: 1fr; } }

/* scroll to bottom */
.scroll-btn { position: absolute; left: 50%; bottom: 96px; transform: translateX(-50%) translateY(12px); width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-2); background: var(--elev); color: var(--text); display: grid; place-items: center; cursor: pointer; box-shadow: var(--sh-md); opacity: 0; pointer-events: none; transition: opacity .2s, transform .25s var(--ease); z-index: 5; }
.scroll-btn.show { opacity: 1; pointer-events: auto; transform: translateX(-50%); }
.scroll-btn:hover { background: var(--bg-2); }

/* composer */
.composer { padding: 12px 22px 18px; }
.composer-inner { max-width: 800px; margin: 0 auto; position: relative; }
.input-box {
  background: var(--bg-1); border: 1px solid var(--line-2); border-radius: 18px;
  padding: 8px 8px 8px 16px; display: flex; align-items: flex-end; gap: 8px;
  transition: border-color .18s, box-shadow .18s;
  box-shadow: var(--sh-sm);
}
.input-box:focus-within { border-color: var(--green); box-shadow: 0 0 0 4px var(--glow); }
.input-box textarea {
  flex: 1; background: transparent; border: none; outline: none; resize: none;
  color: var(--text); font-family: var(--sans); font-size: 15px; line-height: 1.55;
  min-height: 26px; max-height: 200px; padding: 6px 0;
}
.input-box textarea::placeholder { color: var(--faint); }
.send-btn { width: 38px; height: 38px; border-radius: 12px; border: none; cursor: pointer; background: var(--green); color: #fff; display: grid; place-items: center; transition: background .15s, transform .15s, opacity .15s; flex: none; }
.send-btn:hover { background: var(--green-2); }
.send-btn:active { transform: scale(.92); }
.send-btn:disabled { opacity: .4; cursor: not-allowed; }
.send-btn.stop { background: var(--bg-3); color: var(--text); }
.send-btn.stop:hover { background: var(--danger); color: #fff; }
.composer-meta { display: flex; align-items: center; gap: 8px; margin-top: 9px; padding: 0 6px; font-size: 11.5px; color: var(--faint); }
.composer-meta .ctx-count { color: var(--green); font-weight: 700; display: inline-flex; align-items: center; gap: 5px; }
.composer-meta .dotsep { width: 3px; height: 3px; border-radius: 50%; background: var(--faint); }
.composer-meta .kbd { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; }
.composer-meta kbd { font-family: var(--mono); font-size: 10.5px; background: var(--bg-2); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; padding: 1px 5px; color: var(--muted); }

/* mobile off-canvas */
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.5); opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 25; touch-action: none; }

/* tutorial */
.tut-prompt,
.tut-guide {
  position: fixed;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s var(--ease);
}
.tut-prompt {
  z-index: 1200;
  display: grid;
  place-items: center;
  background: rgba(8, 10, 16, .62);
  padding: 20px;
}
.tut-prompt.show,
.tut-guide.show {
  opacity: 1;
  pointer-events: auto;
}
.tut-prompt-card {
  width: min(420px, calc(100vw - 24px));
  background: var(--elev);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  box-shadow: var(--sh-lg);
  padding: 16px;
}
.tut-prompt-card h3 {
  margin: 0;
  font-size: 17px;
  color: var(--text);
}
.tut-prompt-actions,
.tut-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}
.tut-btn {
  min-width: 84px;
  height: 36px;
  border-radius: 9px;
  border: 1px solid var(--line-2);
  background: var(--bg-1);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .12s, border-color .12s, transform .1s;
}
.tut-btn:hover { background: var(--bg-2); border-color: var(--line); }
.tut-btn:active { transform: translateY(1px); }
.tut-btn-yes {
  background: color-mix(in srgb, var(--green) 24%, var(--bg-1));
  border-color: color-mix(in srgb, var(--green) 40%, var(--line));
}
.tut-btn-yes:hover {
  background: color-mix(in srgb, var(--green) 34%, var(--bg-1));
  border-color: var(--green);
}
.tut-guide {
  z-index: 1190;
}
.tut-mask {
  position: absolute;
  inset: 0;
  background: rgba(8, 10, 16, .58);
}
.tut-focus {
  position: absolute;
  border: 2px solid var(--green);
  border-radius: 12px;
  box-shadow: 0 0 0 2px rgba(0,0,0,.35), 0 0 0 8px var(--glow);
  transition: left .22s var(--ease), top .22s var(--ease), width .22s var(--ease), height .22s var(--ease), opacity .16s;
}
.tut-focus.hide { opacity: 0; }
.tut-card {
  position: absolute;
  width: min(360px, calc(100vw - 24px));
  background: var(--elev);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  box-shadow: var(--sh-lg);
  padding: 14px;
  transition: left .22s var(--ease), top .22s var(--ease);
}
.tut-text {
  margin: 0;
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.5;
}
@media (max-width: 980px) {
  .app {
    grid-template-columns: minmax(0,1fr) !important;
    grid-template-areas: "top" "center";
    min-height: 100dvh;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .topbar { padding-left: max(10px, env(safe-area-inset-left, 0)); padding-right: max(10px, env(safe-area-inset-right, 0)); }
  .rail {
    position: fixed; top: 56px; bottom: 0;
    width: min(84vw, 320px); z-index: 40; box-shadow: var(--sh-lg);
    transition: transform .32s var(--ease);
    padding-bottom: env(safe-area-inset-bottom, 0);
    will-change: transform;
  }
  .rail.no-anim { transition: none; }
  .rail-left { left: 0; transform: translateX(-103%); border-right: 1px solid var(--line-2); padding-left: env(safe-area-inset-left, 0); }
  .rail-right { right: 0; transform: translateX(103%); border-left: 1px solid var(--line-2); padding-right: env(safe-area-inset-right, 0); }
  .app:not(.left-collapsed) .rail-left { transform: none; }
  .app:not(.right-collapsed) .rail-right { transform: none; }
  .rail-inner { width: 100% !important; }
  .app:not(.left-collapsed) .scrim, .app:not(.right-collapsed) .scrim { opacity: 1; pointer-events: auto; }
  body.rails-open { overflow: hidden; touch-action: none; }
  .ctx-status { max-width: 150px; }
  .rail-toggle, .icon-btn, .top-ava { width: 40px; height: 40px; touch-action: manipulation; }
  .mp-btn { min-height: 40px; touch-action: manipulation; }
  .settings-panel { position: fixed; top: 62px; right: 10px; width: min(430px, calc(100vw - 20px)); max-height: calc(100dvh - 78px); }
  .set-body { max-height: calc(100dvh - 210px); }
  .composer { padding: 10px 12px max(14px, env(safe-area-inset-bottom, 0)); }
  .msgs-inner { padding: 0 14px; }
  .msg-col { max-width: 92%; }
  .composer-meta .kbd { display: none; }
  .input-box textarea, .hist-search input, .explorer-search input, .url-input { font-size: 16px; }
  .hist-item .hist-actions { opacity: 1; }
  .tree-row .add-ctx-btn, .tree-row .view-src-btn { opacity: .9; }
  .msg .msg-actions { opacity: 1; transform: none; }
  .tut-prompt { padding: 12px; }
  .tut-prompt-card { width: min(420px, calc(100vw - 12px)); border-radius: 12px; }
  .tut-card { width: min(360px, calc(100vw - 12px)); border-radius: 12px; }
  .tut-btn { min-width: 78px; height: 38px; }
  .chat-area::before, .chat-area::after {
    content: ''; position: absolute; top: 0; bottom: 0; width: 18px; z-index: 2; pointer-events: none;
    opacity: 0; transition: opacity .2s;
  }
  .chat-area::before { left: 0; background: linear-gradient(90deg, color-mix(in srgb, var(--green) 18%, transparent), transparent); }
  .chat-area::after { right: 0; background: linear-gradient(270deg, color-mix(in srgb, var(--green) 18%, transparent), transparent); }
  .app.left-collapsed.right-collapsed .chat-area::before,
  .app.left-collapsed.right-collapsed .chat-area::after { opacity: .55; }
}
@media (max-width: 560px) {
  .ctx-status { display: none; }
  .mp-name { max-width: 86px; }
  .model-menu { width: min(312px, 86vw); }
  .set-tabs { grid-template-columns: 1fr 1fr; }
  .set-row-inline { grid-template-columns: 1fr; }
  .chat-empty h2 { font-size: 22px; }
  .chat-empty p { font-size: 14px; }
  .input-box { flex-wrap: wrap; padding: 8px 10px; }
  .input-box textarea { min-width: 0; width: 100%; order: 2; flex: 1 1 100%; }
  .mode-wrap, .img-attach-btn { order: 0; }
  .img-preview-bar { order: 1; max-width: 100%; }
  .send-btn { order: 3; margin-left: auto; }
}

/* slash command menu */
.slash-menu { position: absolute; bottom: calc(100% + 6px); left: 0; right: 0; background: var(--bg-0); border: 1px solid var(--line-2); border-radius: 10px; box-shadow: var(--sh-lg); max-height: 220px; overflow-y: auto; z-index: 50; }
.slash-item { display: flex; align-items: center; gap: 10px; padding: 9px 14px; cursor: pointer; transition: background .1s; }
.slash-item:first-child { border-radius: 10px 10px 0 0; }
.slash-item:last-child { border-radius: 0 0 10px 10px; }
.slash-item.active, .slash-item:hover { background: var(--bg-2); }
.slash-cmd { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--green); white-space: nowrap; }
.slash-desc { font-size: 12px; color: var(--muted); }

/* thinking bar */
.thinking-bar { margin-bottom: 8px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg-1); overflow: hidden; }
.thinking-summary { padding: 8px 12px; font-size: 12px; font-weight: 600; color: var(--muted); cursor: pointer; display: flex; align-items: center; gap: 6px; user-select: none; list-style: none; }
.thinking-summary::-webkit-details-marker { display: none; }
.thinking-summary::before { content: '▸'; font-size: 10px; transition: transform .15s; }
.thinking-bar[open] .thinking-summary::before { transform: rotate(90deg); }
.thinking-summary svg { color: var(--faint); }
.thinking-content { padding: 0 14px 12px; font-family: var(--mono); font-size: 11.5px; line-height: 1.6; color: var(--muted); white-space: pre-wrap; word-break: break-word; margin: 0; max-height: 300px; overflow-y: auto; }

/* compact badge */
.compact-badge { background: color-mix(in srgb, var(--green) 18%, transparent); padding: 1px 7px; border-radius: 4px; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }

/* image attach */
.img-attach-btn { width: 34px; height: 34px; flex-shrink: 0; border: none; background: transparent; border-radius: 10px; cursor: pointer; display: grid; place-items: center; color: var(--muted); transition: color .15s, background .15s; }
.img-attach-btn:hover { background: var(--bg-2); color: var(--text); }
.img-preview-bar { display: none; flex-shrink: 0; padding: 4px 0; gap: 6px; align-items: center; max-width: 200px; overflow-x: auto; }
.img-preview-bar.show { display: flex; }
.img-thumb { position: relative; width: 38px; height: 38px; flex-shrink: 0; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); }
.img-thumb img { width: 100%; height: 100%; object-fit: cover; }
.img-rm { position: absolute; top: -2px; right: -2px; width: 16px; height: 16px; border-radius: 50%; background: var(--danger); color: #fff; border: none; font-size: 11px; line-height: 1; cursor: pointer; display: grid; place-items: center; opacity: 0; transition: opacity .1s; }
.img-thumb:hover .img-rm { opacity: 1; }

/* skill drop zone */
.skill-drop { margin-top: 8px; border: 2px dashed var(--line); border-radius: 10px; padding: 14px 12px; text-align: center; transition: border-color .15s, background .15s; cursor: pointer; }
.skill-drop.over { border-color: var(--green); background: color-mix(in srgb, var(--green) 8%, transparent); }
.skill-drop-inner { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--faint); font-size: 11.5px; pointer-events: none; }
.skill-drop-inner svg { color: var(--muted); }
.skill-browse { background: none; border: none; color: var(--green); font-weight: 700; cursor: pointer; font-size: 11.5px; text-decoration: underline; pointer-events: auto; }
.set-select { appearance: none; height: 34px; padding: 0 10px; cursor: pointer; }

/* mode dropdown */
.mode-wrap { position: relative; flex-shrink: 0; }
.mode-toggle { display: inline-flex; align-items: center; gap: 3px; height: 34px; padding: 0 6px 0 8px; border: none; background: transparent; border-radius: 10px; cursor: pointer; color: var(--muted); transition: color .15s, background .15s; }
.mode-toggle:hover { background: var(--bg-2); color: var(--text); }
.mode-toggle.active { color: var(--green); background: color-mix(in srgb, var(--green) 14%, transparent); }
.mode-chev { color: var(--faint); flex: none; transition: transform .15s; }
.mode-wrap.open .mode-chev { transform: rotate(180deg); }
.mode-menu { position: absolute; bottom: calc(100% + 8px); left: 0; min-width: 180px; background: var(--elev); border: 1px solid var(--line-2); border-radius: 11px; box-shadow: var(--sh-lg); padding: 5px; z-index: 60; opacity: 0; transform: translateY(6px); pointer-events: none; transition: opacity .15s var(--ease), transform .15s var(--ease); }
.mode-wrap.open .mode-menu { opacity: 1; transform: none; pointer-events: auto; }
.mode-item { display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 10px; border-radius: 8px; border: none; background: transparent; color: var(--text); font-family: var(--sans); font-size: 12.5px; font-weight: 500; cursor: pointer; transition: background .1s; }
.mode-item:hover { background: var(--bg-2); }
.mode-item svg { color: var(--faint); flex: none; }
.mode-label { flex: 1; text-align: left; }
.mode-check { color: var(--green); font-size: 14px; font-weight: 700; opacity: 0; transition: opacity .12s; }
.mode-check.on { opacity: 1; }

/* agent discussion */
.agent-round { border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; margin: 6px 0; background: var(--bg-1); }
.agent-round-head { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--green); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.agent-round-head .ar-model { font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--faint); font-size: 10px; }

/* plan questions */
.plan-questions { padding: 0 !important; }
.pq-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--green); padding: 14px 16px 8px; border-bottom: 1px solid var(--line); }
.pq-item { padding: 12px 16px; border-bottom: 1px solid var(--line); }
.pq-item:last-of-type { border-bottom: none; }
.pq-question { font-size: 13px; color: var(--text); margin-bottom: 8px; font-weight: 500; }
.pq-options { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pq-btn { font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: 7px; border: 1px solid var(--line); background: var(--bg-2); color: var(--muted); cursor: pointer; transition: all .12s; }
.pq-btn:hover { border-color: var(--green); color: var(--green); }
.pq-yes { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, transparent); }
.pq-no { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.pq-custom-wrap { display: flex; gap: 4px; flex: 1; min-width: 140px; }
.pq-custom { flex: 1; font-size: 12px; padding: 5px 10px; border-radius: 7px; border: 1px solid var(--line); background: var(--bg-0); color: var(--text); outline: none; font-family: inherit; }
.pq-custom:focus { border-color: var(--green); }
.pq-send-custom { padding: 5px 8px; }
.pq-answer { font-size: 12px; color: var(--green); font-weight: 600; padding: 4px 0 0; }
.pq-submit { width: 100%; padding: 11px; font-size: 13px; font-weight: 700; border: none; background: var(--green); color: #fff; cursor: pointer; border-radius: 0 0 12px 12px; transition: opacity .15s; }
.pq-submit:disabled { opacity: .35; cursor: not-allowed; }
.pq-submit:not(:disabled):hover { opacity: .85; }

/* plan actions */
.plan-actions { display: flex; gap: 8px; padding: 10px 56px; flex-wrap: wrap; align-items: center; }
.pa-btn { font-size: 12px; font-weight: 600; padding: 7px 16px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg-2); color: var(--muted); cursor: pointer; transition: all .12s; }
.pa-approve { color: var(--green); border-color: var(--green); background: color-mix(in srgb, var(--green) 10%, transparent); }
.pa-approve:hover { background: var(--green); color: #fff; }
.pa-deny { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.pa-deny:hover { background: var(--danger); color: #fff; }
.pa-edit-wrap { display: flex; gap: 4px; flex: 1; min-width: 180px; }
.pa-edit-input { flex: 1; font-size: 12px; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg-0); color: var(--text); outline: none; }
.pa-edit-input:focus { border-color: var(--green); }

/* context circle */
.ctx-circle { display: inline-flex; align-items: center; gap: 4px; flex-shrink: 0; }
.ctx-ring { flex-shrink: 0; }
.ctx-ring-label { font-size: 10px; color: var(--faint); font-family: var(--mono); }

/* low-end device perf mode */
.low-end .topbar {
  backdrop-filter: none;
  background: var(--bg);
}
.low-end .app,
.low-end .rail,
.low-end .chat-area,
.low-end .settings-panel,
.low-end .model-menu,
.low-end .src-modal {
  transition: none !important;
  animation: none !important;
}
.low-end .ctx-dot,
.low-end .ctx-dot.live,
.low-end .typing .dot,
.low-end .stream-caret {
  animation: none !important;
  box-shadow: none !important;
}
.low-end .settings-panel,
.low-end .model-menu,
.low-end .acct-menu,
.low-end .src-modal {
  box-shadow: none;
}
.low-end .msg,
.low-end .hist-item,
.low-end .sel-chip,
.low-end .chat-empty .ce-mark {
  animation: none !important;
}
.low-end .msgs { scroll-behavior: auto; }

@media (prefers-reduced-motion: reduce) {
  .app,
  .rail,
  .msg,
  .settings-panel,
  .model-menu,
  .src-modal,
  .ctx-dot,
  .typing .dot,
  .stream-caret {
    animation: none !important;
    transition: none !important;
  }
}