/* ==========================================================================
   CorX Chat — a plain, self-hosted chat client for CorX3.8-27B.

   It talks straight to the model's own OpenAI-compatible endpoint from the
   browser (the server sends CORS headers), so there is no proxy and no key.
   Everything here reuses the site's design tokens from main.css.
   ========================================================================== */

/* A fixed app viewport: the masthead and composer stay put, only the thread
   scrolls. height (not min-height) + overflow:hidden pins it. */
.chat-body { height: 100dvh; overflow: hidden; display: flex; flex-direction: column; }
.chat-body > .masthead { flex: none; }

.chat-shell {
  flex: 1; width: 100%; max-width: 860px; margin-inline: auto;
  display: flex; flex-direction: column; min-height: 0;
  padding: 0 clamp(14px, 4vw, 28px);
}

/* ── status bar under the masthead ─────────────────────────────────────── */
.chat-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 0 12px; border-bottom: 1px solid var(--line);
}
.chat-bar h1 {
  font-family: var(--serif); font-size: 1.5rem; line-height: 1;
  color: var(--ink-strong); margin: 0;
}
.chat-bar .spacer { flex: 1 1 auto; }

.status {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .78rem; color: var(--muted);
  padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper-raised);
}
.status .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--faint);
  box-shadow: 0 0 0 3px rgba(147,137,124,.18); flex: none;
}
.status[data-state="ok"] .dot { background: #3f9d5b; box-shadow: 0 0 0 3px rgba(63,157,91,.20); }
.status[data-state="down"] .dot { background: #b4453a; box-shadow: 0 0 0 3px rgba(180,69,58,.20); }
.status[data-state="checking"] .dot { background: var(--espresso); animation: pulse 1.1s var(--ease) infinite; }
@keyframes pulse { 50% { opacity: .35; } }

.icon-btn {
  width: 36px; height: 36px; flex: none; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px; background: var(--paper-raised);
  color: var(--muted); cursor: pointer;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.icon-btn:hover { color: var(--ink-strong); border-color: var(--line-strong); }
.icon-btn svg { width: 18px; height: 18px; }

/* ── thread ────────────────────────────────────────────────────────────── */
.thread {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 22px 0 8px; display: flex; flex-direction: column; gap: 22px;
  scroll-behavior: smooth;
}

.chat-empty { margin: auto 0; text-align: center; padding: clamp(24px,8vh,64px) 8px; }
.chat-empty .mark-lg {
  font-family: var(--serif); font-size: 3rem; line-height: 1;
  color: var(--espresso); display: block; margin-bottom: 14px;
}
.chat-empty h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); }
.chat-empty p { margin-top: 10px; color: var(--muted); font-size: .95rem; }
.starter-row {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px; margin-top: 26px; text-align: left;
}
.starter {
  padding: 13px 15px; border-radius: 13px; cursor: pointer;
  border: 1px solid var(--line-strong); background: var(--paper-raised);
  font: inherit; font-size: .86rem; color: var(--ink-strong);
  transition: border-color var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.starter:hover { border-color: var(--ink); transform: translateY(-1px); }

.msg { display: flex; flex-direction: column; gap: 6px; }
.msg .who {
  display: flex; align-items: center; gap: 8px;
  font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--faint);
}
.msg .avatar {
  width: 22px; height: 22px; border-radius: 6px; flex: none;
  display: grid; place-items: center; font-family: var(--serif);
  font-size: .9rem; color: var(--paper); background: var(--espresso);
}
.msg-user .avatar { background: var(--ink); }
.bubble {
  border-radius: 14px; padding: 13px 16px; font-size: .95rem; line-height: 1.65;
  border: 1px solid var(--line); background: var(--paper-raised); color: var(--ink);
  overflow-wrap: anywhere;
}
.msg-user .bubble { background: var(--paper-sunk); }
.msg-error .bubble { border-color: #b4453a; color: #b4453a; background: transparent; }

.bubble > *:first-child { margin-top: 0; }
.bubble > *:last-child { margin-bottom: 0; }
.bubble p { margin: 0 0 10px; }
.bubble h1, .bubble h2, .bubble h3, .bubble h4 {
  font-family: var(--sans); font-weight: 600; margin: 14px 0 8px; line-height: 1.3;
}
.bubble h4 { font-size: 1rem; }
.bubble ul, .bubble ol { margin: 0 0 10px; padding-left: 22px; }
.bubble li { margin: 3px 0; }
.bubble code {
  font-family: var(--mono); font-size: .86em;
  background: var(--paper-sunk); padding: .12em .38em; border-radius: 5px;
  overflow-wrap: break-word; word-break: break-word;
}
.bubble pre {
  font-family: var(--mono); font-size: .82rem; line-height: 1.6;
  background: var(--paper-sunk); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 16px; margin: 0 0 10px;
  overflow-x: auto;
}
.bubble pre code { background: none; padding: 0; }
.bubble a { color: var(--espresso); text-decoration: underline; text-underline-offset: 2px; }

.typing { display: inline-flex; gap: 4px; padding: 4px 0; }
.typing span {
  width: 6px; height: 6px; border-radius: 50%; background: var(--faint);
  animation: blink 1.2s var(--ease) infinite;
}
.typing span:nth-child(2) { animation-delay: .18s; }
.typing span:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 60%, 100% { opacity: .25; } 30% { opacity: 1; } }

/* ── composer ──────────────────────────────────────────────────────────── */
.composer-wrap { padding: 10px 0 calc(16px + env(safe-area-inset-bottom)); }
.composer {
  display: flex; align-items: flex-end; gap: 10px;
  border: 1px solid var(--line-strong); border-radius: 18px;
  background: var(--paper-raised); padding: 8px 8px 8px 16px;
  transition: border-color var(--fast) var(--ease);
}
.composer:focus-within { border-color: var(--espresso); }
.composer textarea {
  flex: 1; border: 0; background: none; resize: none; outline: none;
  font: inherit; font-size: 1rem; line-height: 1.5; color: var(--ink);
  max-height: 168px; padding: 8px 0;
}
.composer textarea::placeholder { color: var(--faint); }
.send-btn, .stop-btn {
  width: 40px; height: 40px; flex: none; border: 0; border-radius: 12px;
  display: grid; place-items: center; cursor: pointer;
  transition: opacity var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.send-btn { background: var(--ink); color: var(--paper); }
.send-btn:hover { transform: translateY(-1px); }
.send-btn:disabled { opacity: .4; cursor: default; transform: none; }
.send-btn svg, .stop-btn svg { width: 18px; height: 18px; }
.stop-btn { background: transparent; border: 1px solid var(--line-strong); color: var(--ink); }
.stop-btn:hover { border-color: var(--ink); }
.composer-note { margin-top: 9px; text-align: center; font-size: .76rem; color: var(--faint); }

/* ── settings dialog ───────────────────────────────────────────────────── */
.sheet[hidden] { display: none; }
.sheet {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center; padding: 18px;
  background: rgba(20,16,12,.42); -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.sheet-card {
  width: min(480px, 100%); background: var(--paper-raised);
  border: 1px solid var(--line-strong); border-radius: var(--r-md);
  box-shadow: var(--glass-shadow); padding: clamp(20px, 4vw, 28px);
}
.sheet-card h2 { font-family: var(--sans); font-size: 1.1rem; font-weight: 600; }
.sheet-card p { margin-top: 6px; font-size: .86rem; color: var(--muted); }
.field { margin-top: 18px; }
.field label { display: block; font-size: .8rem; font-weight: 600; color: var(--ink-strong); margin-bottom: 6px; }
.field input {
  width: 100%; font: inherit; font-size: .92rem; color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: 10px;
  background: var(--paper); padding: 10px 12px;
}
.field input:focus { outline: none; border-color: var(--espresso); }
.field small { display: block; margin-top: 6px; font-size: .76rem; color: var(--faint); }
.sheet-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 22px; }

@media (max-width: 560px) {
  .starter-row { grid-template-columns: 1fr; }
  .composer textarea { font-size: 16px; }  /* stop iOS zoom on focus */
  /* Agent chip + effort select + upload + send together are too wide for a
     phone next to the input on one line — wrap them onto their own row
     rather than squeezing the textarea down to a sliver. */
  .composer { flex-wrap: wrap; }
  .composer textarea { flex-basis: 100%; }
  .composer-controls { flex-basis: 100%; justify-content: space-between; }
  .effort-select { font-size: .74rem; padding: 7px 8px; }
}

/* ==========================================================================
   Agent additions — work dock, tool cards, terminal, files, plan, uploads.
   ========================================================================== */

/* Two-pane layout when the dock is open (desktop). */
.app { flex: 1; min-height: 0; display: flex; }
.chat-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.app[data-dock="open"] .chat-dock { display: flex; }
.chat-dock { display: none; flex-direction: column; min-height: 0; width: 400px; flex: none;
  border-left: 1px solid var(--line); background: var(--paper-sunk); }

/* The chat-shell inside chat-main keeps its own max-width/padding. */
.chat-main .chat-shell { height: 100%; }

/* dock header + tabs */
.dock-tabs { display: flex; align-items: center; gap: 2px; padding: 9px 10px;
  border-bottom: 1px solid var(--line); }
.dock-tab { padding: 7px 12px; border: 0; border-radius: 9px; background: none; cursor: pointer;
  font: inherit; font-size: .8rem; color: var(--muted); }
.dock-tab:hover { background: rgba(125,114,100,.11); color: var(--ink-strong); }
.dock-tab[aria-selected="true"] { background: var(--paper-raised); color: var(--ink-strong);
  box-shadow: inset 0 0 0 1px var(--line); }
.dock-tab .count { display: inline-block; min-width: 17px; padding: 0 5px; margin-left: 5px;
  border-radius: 999px; background: var(--espresso); color: var(--paper);
  font-size: .64rem; line-height: 16px; text-align: center; }
.dock-tabs .spacer { flex: 1; }

.dock-panel { flex: 1; min-height: 0; overflow-y: auto; padding: 14px; }
.dock-panel[hidden] { display: none; }
.panel-empty { font-size: .84rem; color: var(--muted); line-height: 1.6; }

/* terminal */
.terminal { background: #14100c; border-radius: 12px; padding: 12px 13px;
  font-family: var(--mono); font-size: .72rem; line-height: 1.7; color: #d9cfc1;
  min-height: 140px; }
.terminal .t-head { display: flex; align-items: center; gap: 7px; margin-bottom: 8px;
  padding-bottom: 8px; border-bottom: 1px solid rgba(242,238,230,.1);
  font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: #8d8172; }
.terminal .dot3 { display: flex; gap: 5px; }
.terminal .dot3 i { width: 8px; height: 8px; border-radius: 50%; background: rgba(242,238,230,.18); }
.terminal .cmd { color: #f2eee6; white-space: pre-wrap; }
.terminal .cmd::before { content: "$ "; color: #d8c9b6; }
.terminal .out { white-space: pre-wrap; color: #cfc6b8; }
.terminal .err { white-space: pre-wrap; color: #e79a8f; }
.terminal .sys { color: #8d8172; font-style: italic; }
.terminal .ok { color: #8fca9b; }
.terminal-form { display: flex; align-items: center; gap: 8px; margin-top: 10px;
  border: 1px solid var(--line-strong); border-radius: 10px; background: var(--paper-raised);
  padding: 6px 10px; }
.terminal-form .prompt { font-family: var(--mono); color: var(--espresso); }
.terminal-form input { flex: 1; border: 0; background: none; outline: none; font: inherit;
  font-family: var(--mono); font-size: .8rem; color: var(--ink); }

/* files */
.file-list { display: flex; flex-direction: column; gap: 6px; }
.file { display: flex; align-items: center; gap: 8px; width: 100%; text-align: left;
  padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--paper-raised); cursor: pointer; font: inherit; }
.file:hover { border-color: var(--line-strong); }
.file[aria-current="true"] { border-color: var(--espresso); }
.file .ext { flex: none; font-family: var(--mono); font-size: .62rem; text-transform: uppercase;
  letter-spacing: .05em; color: var(--paper); background: var(--espresso);
  padding: 2px 6px; border-radius: 5px; }
.file .fname { flex: 1; min-width: 0; font-size: .84rem; color: var(--ink-strong);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file .size { flex: none; font-size: .72rem; color: var(--faint); }

.editor { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.editor-head { display: flex; align-items: center; gap: 8px; }
.editor-head .name { font-family: var(--mono); font-size: .78rem; color: var(--ink-strong); flex: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.editor textarea { width: 100%; min-height: 220px; resize: vertical; font-family: var(--mono);
  font-size: .78rem; line-height: 1.6; color: var(--ink); border: 1px solid var(--line-strong);
  border-radius: 10px; background: var(--paper); padding: 11px 12px; }
.link-btn { border: 0; background: none; cursor: pointer; font: inherit; font-size: .78rem;
  color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.link-btn:hover { color: var(--ink-strong); }
.link-btn.danger { color: #b4453a; }

/* plan */
.plan-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.plan-list li { position: relative; padding-left: 30px; font-size: .86rem; color: var(--muted);
  line-height: 1.5; }
.plan-list li::before { content: ""; position: absolute; left: 4px; top: 3px; width: 15px; height: 15px;
  border-radius: 50%; border: 1.6px solid var(--line-strong); }
.plan-list li[data-state="active"] { color: var(--ink-strong); }
.plan-list li[data-state="active"]::before { border-color: var(--espresso); box-shadow: 0 0 0 3px rgba(61,48,37,.14); }
.plan-list li[data-state="done"] { color: var(--faint); }
.plan-list li[data-state="done"]::before { background: var(--espresso); border-color: var(--espresso); }
.plan-list li[data-state="done"]::after { content: ""; position: absolute; left: 8.5px; top: 6.5px;
  width: 4px; height: 7px; border: solid var(--paper); border-width: 0 1.6px 1.6px 0; transform: rotate(45deg); }

/* tool cards inline in the thread */
.tool-card { border: 1px solid var(--line); border-radius: 12px; background: var(--paper-raised);
  overflow: hidden; margin-top: 8px; }
.tool-head { display: flex; align-items: center; gap: 8px; padding: 9px 12px; font-size: .82rem; }
.tool-head svg { width: 15px; height: 15px; flex: none; color: var(--espresso); }
.tool-name { font-weight: 600; color: var(--ink-strong); }
.tool-arg { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; min-width: 0; font-family: var(--mono); font-size: .76rem; }
.tool-state { flex: none; font-size: .68rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--faint); }
.tool-card[data-state="done"] .tool-state { color: #3f9d5b; }
.tool-card[data-state="error"] .tool-state { color: #b4453a; }
.tool-card[data-state="running"] .tool-state { color: var(--espresso); }
.tool-out { border-top: 1px solid var(--line); margin: 0; padding: 9px 12px; font-family: var(--mono);
  font-size: .72rem; line-height: 1.6; color: var(--muted); white-space: pre-wrap; word-break: break-word;
  max-height: 200px; overflow: auto; background: var(--paper-sunk); }

/* file card — a file the agent created, clickable to preview or download */
.file-card { display: flex; align-items: stretch; margin-top: 8px; border: 1px solid var(--line);
  border-radius: 12px; background: var(--paper-raised); overflow: hidden; }
.file-card-open { flex: 1; min-width: 0; display: flex; align-items: center; gap: 9px;
  padding: 10px 12px; text-align: left; cursor: pointer; }
.file-card-open svg { width: 17px; height: 17px; flex: none; color: var(--espresso); }
.file-card-open .fname { font-family: var(--mono); font-size: .82rem; color: var(--ink-strong);
  font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-card-open .fhint { font-size: .7rem; color: var(--faint); margin-left: auto; flex: none;
  padding-left: 8px; }
.file-card-dl { flex: none; display: grid; place-items: center; width: 40px;
  border-left: 1px solid var(--line); cursor: pointer; color: var(--muted); }
.file-card-dl:hover { color: var(--espresso); background: rgba(125,114,100,.08); }
.file-card-dl svg { width: 16px; height: 16px; }

/* thinking dropdown */
/* Thinking dropdown — deliberately neutral grey, not the brand's warm tones,
   so it reads as "backstage" and stays out of the way until opened. Closed
   by default (a bare <details> has no [open] attribute). */
.think { margin-top: 6px; border-radius: 10px;
  background: rgba(128,128,128,.09); border: 1px solid rgba(128,128,128,.22); }
.think summary { cursor: pointer; list-style: none; padding: 8px 12px; font-size: .78rem;
  color: #83807a; display: flex; align-items: center; gap: 7px; user-select: none; }
.think summary::-webkit-details-marker { display: none; }
.think summary svg { width: 14px; height: 14px; flex: none; }
.think .chev { margin-left: auto; display: grid; place-items: center; }
.think .chev svg { width: 13px; height: 13px; transition: transform var(--fast) var(--ease); }
.think[open] .chev svg { transform: rotate(180deg); }
.think-body { padding: 2px 13px 11px; font-size: .85rem; color: #83807a; line-height: 1.65;
  border-top: 1px solid rgba(128,128,128,.16); margin-top: 2px; padding-top: 9px; }
.think-body p { margin: 0 0 8px; }

/* composer: uploads + agent toggle */
.attach-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.attach-row[hidden] { display: none; }
.attach { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px; border-radius: 8px;
  border: 1px solid var(--line-strong); background: var(--paper-sunk); font-size: .76rem; color: var(--ink); }
.attach button { border: 0; background: none; cursor: pointer; color: var(--faint); font-size: 1rem; line-height: 1; }
.composer .chip { flex: none; display: inline-flex; align-items: center; gap: 6px; padding: 8px 11px;
  border-radius: 999px; border: 1px solid var(--line); background: transparent; cursor: pointer;
  font: inherit; font-size: .78rem; color: var(--muted); }
.composer .chip:hover { color: var(--ink-strong); border-color: var(--line-strong); }
.composer .chip svg { width: 15px; height: 15px; }
.composer .chip[aria-pressed="true"] { background: var(--espresso); color: var(--paper); border-color: var(--espresso); }

/* mobile: dock is an overlay */
@media (max-width: 900px) {
  .chat-dock { position: fixed; inset: 0 0 0 auto; z-index: 55; width: min(420px, 92vw);
    transform: translateX(101%); transition: transform var(--fast) var(--ease); visibility: hidden;
    box-shadow: 0 0 44px -8px rgba(20,16,12,.4); }
  .app[data-dock="open"] .chat-dock { display: flex; transform: none; visibility: visible; }
  .chat-scrim { position: fixed; inset: 0; z-index: 54; background: rgba(20,16,12,.4); border: 0; }
  .chat-scrim[hidden] { display: none; }
}
@media (min-width: 901px) { .chat-scrim { display: none; } .dock-close-m { display: none; } }

/* ==========================================================================
   Sidebar — conversations + profile.
   ========================================================================== */
.app { position: relative; }
.chat-sidebar { display: flex; flex-direction: column; width: 260px; flex: none;
  border-right: 1px solid var(--line); background: var(--paper-sunk); min-height: 0; }
.sidebar-head { display: flex; align-items: center; gap: 8px; padding: 12px; }
.chat-new { flex: 1; display: flex; align-items: center; gap: 8px; padding: 9px 12px;
  border: 1px solid var(--line-strong); border-radius: 10px; background: var(--paper-raised);
  cursor: pointer; font: inherit; font-size: .84rem; color: var(--ink-strong); }
.chat-new:hover { border-color: var(--ink); }
.chat-new svg { width: 15px; height: 15px; }
.nav-only { display: none; }

.conv-list { flex: 1; min-height: 0; overflow-y: auto; padding: 4px 8px; display: flex;
  flex-direction: column; gap: 3px; }
.conv { display: flex; align-items: center; gap: 6px; padding: 8px 9px; border-radius: 9px;
  cursor: pointer; }
.conv:hover { background: rgba(125,114,100,.11); }
.conv[aria-current="true"] { background: var(--paper-raised); box-shadow: inset 0 0 0 1px var(--line); }
.conv-title { flex: 1; min-width: 0; font-size: .83rem; color: var(--ink); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.conv-del { flex: none; width: 24px; height: 24px; display: grid; place-items: center;
  border: 0; border-radius: 6px; background: none; color: var(--faint); cursor: pointer;
  opacity: 0; transition: opacity var(--fast) var(--ease); }
.conv:hover .conv-del { opacity: 1; }
.conv-del:hover { color: #b4453a; background: rgba(180,69,58,.1); }
.conv-del svg { width: 14px; height: 14px; }

.profile-chip { display: flex; align-items: center; gap: 9px; margin: 8px; padding: 9px 10px;
  border-radius: 10px; border: 1px solid var(--line); background: var(--paper-raised);
  cursor: pointer; font: inherit; text-align: left; }
.profile-chip:hover { border-color: var(--line-strong); }
.profile-avatar { flex: none; width: 28px; height: 28px; border-radius: 8px; overflow: hidden;
  display: grid; place-items: center; background: var(--espresso); color: var(--paper);
  font-family: var(--serif); font-size: .95rem; }
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-name { flex: 1; min-width: 0; font-size: .84rem; color: var(--ink-strong);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* profile modal extras */
.avatar-row { display: flex; align-items: center; gap: 12px; }
.avatar-preview { width: 52px; height: 52px; border-radius: 12px; overflow: hidden; flex: none;
  display: grid; place-items: center; background: var(--paper-sunk); border: 1px solid var(--line-strong);
  font-size: .68rem; color: var(--faint); text-align: center; }
.avatar-preview img { width: 100%; height: 100%; object-fit: cover; }
.avatar-actions { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.menu-row { display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin-top: 18px; font-size: .86rem; color: var(--ink-strong); }
.menu-row small { display: block; font-size: .74rem; color: var(--muted); font-weight: 400; margin-top: 2px; }
.toggle { flex: none; width: 40px; height: 24px; border-radius: 999px; border: 1px solid var(--line-strong);
  background: var(--paper-sunk); position: relative; cursor: pointer; padding: 0; }
.toggle i { position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--faint); transition: transform var(--fast) var(--ease), background var(--fast) var(--ease); }
.toggle[aria-checked="true"] { background: var(--espresso); border-color: var(--espresso); }
.toggle[aria-checked="true"] i { transform: translateX(16px); background: var(--paper); }

/* effort select + composer row layout */
.composer-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.composer-controls .spacer { flex: 1 1 auto; }
.effort-select { flex: none; padding: 7px 10px; border-radius: 999px; border: 1px solid var(--line);
  background: transparent; font: inherit; font-size: .78rem; color: var(--muted); cursor: pointer; }
.effort-select:hover { border-color: var(--line-strong); color: var(--ink-strong); }
.chip.icon-only { padding: 8px; }

/* resume bar */
.resume-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 10px 0 0;
  padding: 11px 14px; border-radius: 12px; border: 1px solid var(--espresso);
  background: var(--paper-raised); font-size: .84rem; color: var(--ink); }
.resume-bar[hidden] { display: none; }

/* ==========================================================================
   Search: one clickable widget, from "searching" through to the source list.
   It never gets torn down when the search finishes (or fails) — the sliding
   favicon row keeps animating as a standing marker that a search happened
   here, and clicking it opens the real URLs (or the error, if it failed).
   ========================================================================== */
.search-strip { margin-top: 8px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--paper-raised); overflow: hidden; }
.search-strip summary { cursor: pointer; list-style: none; padding: 9px 12px;
  display: flex; align-items: center; gap: 10px; user-select: none; }
.search-strip summary::-webkit-details-marker { display: none; }
.search-strip .label { font-size: .8rem; color: var(--muted); flex: none; }
.search-strip .track-wrap { flex: 1 1 auto; min-width: 0; overflow: hidden; mask-image:
  linear-gradient(90deg, transparent, #000 12px, #000 calc(100% - 12px), transparent); }
.search-strip .track { display: flex; gap: 10px; width: max-content;
  animation: corx-slide 5s linear infinite; }
.search-strip .favicon { width: 18px; height: 18px; border-radius: 5px; opacity: .85;
  background: var(--paper-sunk); flex: none; }
.search-strip .chev { margin-left: auto; display: grid; place-items: center; flex: none; }
.search-strip .chev svg { width: 13px; height: 13px; transition: transform var(--fast) var(--ease); }
.search-strip[open] .chev svg { transform: rotate(180deg); }
@keyframes corx-slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .search-strip .track { animation: none; } }

.sources { margin-top: 8px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--paper-raised); overflow: hidden; }
.sources summary { cursor: pointer; list-style: none; padding: 9px 12px; font-size: .82rem;
  color: var(--muted); display: flex; align-items: center; gap: 8px; user-select: none; }
.sources summary::-webkit-details-marker { display: none; }
.sources summary svg:first-child { width: 15px; height: 15px; flex: none; color: var(--espresso); }
.sources .chev { margin-left: auto; display: grid; place-items: center; }
.sources .chev svg { width: 13px; height: 13px; transition: transform var(--fast) var(--ease); }
.sources[open] .chev svg { transform: rotate(180deg); }
.source-list, .search-body { border-top: 1px solid var(--line); display: flex; flex-direction: column; }
.source-row { display: flex; align-items: flex-start; gap: 10px; padding: 9px 12px;
  text-decoration: none; border-top: 1px solid var(--line); }
.source-row:first-child { border-top: 0; }
.source-row:hover { background: rgba(125,114,100,.08); }
.source-row .favicon { width: 16px; height: 16px; border-radius: 4px; flex: none; margin-top: 2px; }
.src-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.src-text strong { font-size: .84rem; color: var(--ink-strong); font-weight: 600;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.src-text small { font-size: .74rem; color: var(--faint); }
.src-text small.snippet { color: var(--muted); white-space: normal; }
.search-error { padding: 9px 12px; font-size: .8rem; color: var(--muted); }

/* ==========================================================================
   Responsive: sidebar becomes an overlay under the dock breakpoint.
   ========================================================================== */
@media (max-width: 900px) {
  .nav-only { display: grid; }
  .chat-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 55; width: min(300px, 88vw);
    transform: translateX(-101%); transition: transform var(--fast) var(--ease); visibility: hidden;
    box-shadow: 0 0 44px -8px rgba(20,16,12,.4); }
  .app[data-sidebar="open"] .chat-sidebar { transform: none; visibility: visible; }
}