/* Mauppi design tokens + consumer chat app. Brand colors come from /brand/theme.css (brand.yaml). */
:root {
  --brand: #7C5CFF; --brand-contrast: #fff; --accent: #22D3EE; --radius: 14px;
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
  --bg: #ffffff; --bg-2: #f7f7f9; --bg-3: #eeeef2; --panel: #ffffff; --border: #e4e4ea; --border-2: #d4d4dd;
  --text: #111118; --text-2: #55555f; --text-3: #8b8b96; --hover: rgba(17, 17, 24, .05);
  --danger: #dc3c45; --ok: #23945d; --warn: #c78100; --info: #2f6fdd;
  --code-bg: #101118; --code-text: #e7e7ef; --inline-code: rgba(124, 92, 255, .10);
  --shadow: 0 10px 40px rgba(20, 20, 40, .10), 0 2px 6px rgba(20, 20, 40, .06);
  --user-bubble: #f1f0f7;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0c0c11; --bg-2: #13131a; --bg-3: #1b1b24; --panel: #15151d; --border: #24242f; --border-2: #33333f;
  --text: #ececf2; --text-2: #a3a3b0; --text-3: #6d6d7a; --hover: rgba(255, 255, 255, .05);
  --danger: #ff6369; --ok: #3dd68c; --warn: #f5b84a; --info: #6aa1ff;
  --code-bg: #0a0a0f; --inline-code: rgba(124, 92, 255, .18); --user-bubble: #1d1c29;
  --shadow: 0 10px 40px rgba(0, 0, 0, .5), 0 2px 6px rgba(0, 0, 0, .4);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0c11; --bg-2: #13131a; --bg-3: #1b1b24; --panel: #15151d; --border: #24242f; --border-2: #33333f;
    --text: #ececf2; --text-2: #a3a3b0; --text-3: #6d6d7a; --hover: rgba(255, 255, 255, .05);
    --danger: #ff6369; --ok: #3dd68c; --warn: #f5b84a; --info: #6aa1ff;
    --code-bg: #0a0a0f; --inline-code: rgba(124, 92, 255, .18); --user-bubble: #1d1c29;
    --shadow: 0 10px 40px rgba(0, 0, 0, .5), 0 2px 6px rgba(0, 0, 0, .4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.55 var(--font); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: var(--brand); }
code, pre, kbd { font-family: var(--mono); }
::selection { background: color-mix(in srgb, var(--brand) 30%, transparent); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.hidden { display: none !important; }
.muted { color: var(--text-2); }
.faint { color: var(--text-3); }
.row { display: flex; align-items: center; gap: 8px; }
.grow { flex: 1; min-width: 0; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- controls ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px; border-radius: 10px;
  border: 1px solid var(--border-2); background: var(--panel); cursor: pointer; font-weight: 500; font-size: 14px;
  transition: background .12s, border-color .12s, transform .05s; white-space: nowrap; }
.btn:hover { background: var(--hover); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--brand); color: var(--brand-contrast); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }
.btn.danger.solid { background: var(--danger); color: #fff; border-color: transparent; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--hover); }
.btn.sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.icon-btn { width: 34px; height: 34px; display: inline-grid; place-items: center; border-radius: 9px; border: none;
  background: transparent; color: var(--text-2); cursor: pointer; }
.icon-btn:hover { background: var(--hover); color: var(--text); }
.icon-btn svg, .btn svg { width: 18px; height: 18px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=search], textarea, select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border-2); border-radius: 10px; background: var(--bg);
  outline: none; transition: border-color .12s, box-shadow .12s; }
input:focus, textarea:focus, select:focus { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); }
textarea { resize: vertical; }
label.field { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: var(--text-2); margin-bottom: 14px; }
label.field > span.hint { font-weight: 400; color: var(--text-3); }
.switch { display: inline-block; position: relative; width: 38px; height: 22px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; border-radius: 99px; background: var(--border-2); transition: .15s; cursor: pointer; }
.switch span::after { content: ""; position: absolute; left: 3px; top: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: .15s; }
.switch input:checked + span { background: var(--brand); }
.switch input:checked + span::after { transform: translateX(16px); }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 99px; font-size: 11.5px;
  font-weight: 600; background: var(--bg-3); color: var(--text-2); letter-spacing: .01em; }
.badge.brand { background: color-mix(in srgb, var(--brand) 16%, transparent); color: var(--brand); }
.badge.ok { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge.danger { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.badge.info { background: color-mix(in srgb, var(--info) 16%, transparent); color: var(--info); }

.logo { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-weight: 800; font-size: 16px;
  color: #fff; background: linear-gradient(135deg, var(--brand), var(--accent)); flex: none; letter-spacing: -.02em; }
.logo.lg { width: 56px; height: 56px; border-radius: 16px; font-size: 28px; }
.logo.mark svg { width: 82%; height: 82%; display: block; }

/* ---- layout ---- */
#app { display: grid; grid-template-columns: 272px minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); height: 100vh; height: 100dvh; overflow: hidden; }
#app.collapsed { grid-template-columns: 0 minmax(0, 1fr); }
.sidebar { background: var(--bg-2); border-right: 1px solid var(--border); display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; }
#app.collapsed .sidebar { border: none; }
.sidebar .top { padding: 12px 12px 8px; display: grid; gap: 10px; }
.brand-row { display: flex; align-items: center; gap: 10px; padding: 2px 4px; }
.brand-row .name { font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.new-chat { justify-content: flex-start; width: 100%; padding: 9px 12px; }
.new-chat kbd { margin-left: auto; font-size: 11px; color: var(--text-3); }
.search { position: relative; }
.search input { padding-left: 34px; background: var(--panel); }
.search svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-3); }
.conv-list { flex: 1; overflow-y: auto; padding: 4px 8px 12px; }
.conv-group { font-size: 12px; font-weight: 600; color: var(--text-3); padding: 14px 8px 6px; }
.conv { display: flex; align-items: center; gap: 6px; padding: 7px 8px 7px 10px; border-radius: 9px; cursor: pointer; color: var(--text);
  font-size: 14px; position: relative; }
.conv:hover { background: var(--hover); }
.conv.active { background: var(--bg-3); }
.conv .t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv .more { opacity: 0; width: 26px; height: 26px; }
.conv:hover .more, .conv.active .more { opacity: 1; }
.conv .pin { color: var(--text-3); width: 14px; height: 14px; flex: none; }
.user-box { border-top: 1px solid var(--border); padding: 10px; }
.user-btn { width: 100%; display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 10px; border: none;
  background: transparent; cursor: pointer; text-align: left; }
.user-btn:hover { background: var(--hover); }
.avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 13px;
  background: color-mix(in srgb, var(--brand) 22%, var(--bg-3)); color: var(--brand); flex: none; }

main { display: flex; flex-direction: column; min-width: 0; min-height: 0; height: 100%; position: relative; }
.topbar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; min-height: 54px; }
.model-picker { display: inline-flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 10px; border: none;
  background: transparent; cursor: pointer; font-weight: 600; font-size: 16px; }
.model-picker:hover { background: var(--hover); }
.model-picker .mi { font-size: 14px; }
.model-picker svg { width: 16px; height: 16px; color: var(--text-3); }
.topbar .title { color: var(--text-2); font-size: 14px; margin-left: 4px; }

/* ---- thread ---- */
.thread { flex: 1; overflow-y: auto; scroll-behavior: smooth; }
.thread-inner { max-width: 780px; margin: 0 auto; padding: 12px 20px 40px; }
.msg { display: flex; gap: 14px; margin: 22px 0; }
.msg.user { justify-content: flex-end; }
.msg.user .bubble { background: var(--user-bubble); padding: 10px 16px; border-radius: 18px; max-width: 80%; white-space: pre-wrap;
  word-wrap: break-word; }
.msg.user .bubble.md { white-space: normal; min-width: min(420px, 80%); } .msg.user .bubble.md .codeblock { margin: 6px 0; text-align: left; }
.msg .m-avatar { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; flex: none; font-size: 14px;
  color: #fff; margin-top: 2px; }
.msg .m-body { flex: 1; min-width: 0; }
.msg .m-name { font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 2px; display: flex; gap: 8px; align-items: center; }
.msg .actions { display: flex; gap: 2px; margin-top: 6px; opacity: 0; transition: opacity .15s; }
.msg:hover .actions, .msg.last .actions { opacity: 1; }
.msg .actions .icon-btn { width: 30px; height: 30px; }
.msg .actions .icon-btn svg { width: 16px; height: 16px; }
.msg .actions .icon-btn.on { color: var(--brand); }
.msg.user .actions { justify-content: flex-end; }
.msg .stats { font-size: 12px; color: var(--text-3); align-self: center; margin-left: 6px; }
.edit-box { width: min(100%, 640px); display: grid; gap: 8px; }
.edit-box textarea { min-height: 80px; }
.cursor::after { content: ""; display: inline-block; width: 8px; height: 16px; margin-left: 2px; vertical-align: -2px;
  background: var(--brand); border-radius: 2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.typing { display: inline-flex; gap: 4px; padding: 8px 0; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--text-3); animation: bounce 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes bounce { 0%, 80%, 100% { transform: translateY(0); opacity: .5; } 40% { transform: translateY(-5px); opacity: 1; } }

/* markdown */
.md { overflow-wrap: anywhere; line-height: 1.65; }
.md > :first-child { margin-top: 0; } .md > :last-child { margin-bottom: 0; }
.md p { margin: 0 0 12px; }
.md h1, .md h2, .md h3, .md h4, .md h5, .md h6 { margin: 22px 0 10px; line-height: 1.3; letter-spacing: -.01em; font-weight: 700; }
.md h1 { font-size: 1.45em; } .md h2 { font-size: 1.25em; padding-bottom: 4px; border-bottom: 1px solid var(--border); } .md h3 { font-size: 1.1em; }
.md h4 { font-size: 1em; } .md h5, .md h6 { font-size: .92em; color: var(--text-2); }
.md ul, .md ol { margin: 0 0 12px; padding-left: 24px; } .md li { margin: 4px 0; } .md li > p { margin: 0 0 6px; }
.md li::marker { color: var(--text-3); } .md ol > li::marker { font-variant-numeric: tabular-nums; }
.md ul.tasks { list-style: none; padding-left: 4px; } .md li.task input { margin: 0 6px 0 0; vertical-align: -1px; accent-color: var(--brand); }
.md blockquote { margin: 0 0 12px; padding: 4px 14px; border-left: 3px solid var(--border-2); color: var(--text-2); }
.md a { text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--brand) 35%, transparent); } .md a:hover { border-bottom-color: var(--brand); }
.md code { background: var(--inline-code); padding: 1px 6px; border-radius: 6px; font-size: .87em; }
.md strong { font-weight: 650; }
.md hr { border: none; border-top: 1px solid var(--border); margin: 18px 0; }
.md .table-wrap { overflow-x: auto; margin: 0 0 14px; border: 1px solid var(--border); border-radius: 10px; }
.md table { border-collapse: collapse; width: max-content; min-width: 100%; font-size: 14px; }
.md th, .md td { border-bottom: 1px solid var(--border); padding: 7px 12px; text-align: left; vertical-align: top; }
.md th + th, .md td + td { border-left: 1px solid var(--border); }
.md tbody tr:last-child td { border-bottom: none; } .md tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--bg-2) 60%, transparent); }
.md th { background: var(--bg-2); font-weight: 600; }
.md .math { font-family: 'Cambria Math', 'STIX Two Math', 'Latin Modern Math', Georgia, serif; font-style: italic; white-space: nowrap; }
.md .math-block { display: block; text-align: center; margin: 4px 0 14px; padding: 8px; font-size: 1.1em; overflow-x: auto; white-space: pre-wrap; }
.md .callout { margin: 0 0 12px; padding: 8px 14px; border-radius: 10px; border-left: 3px solid var(--info); background: color-mix(in srgb, var(--info) 8%, transparent); }
.md .callout-title { font-weight: 650; font-size: 13.5px; margin-bottom: 2px; color: var(--info); }
.md .callout-tip { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 8%, transparent); } .md .callout-tip .callout-title { color: var(--ok); }
.md .callout-important { border-color: var(--brand); background: color-mix(in srgb, var(--brand) 8%, transparent); } .md .callout-important .callout-title { color: var(--brand); }
.md .callout-warning { border-color: var(--warn); background: color-mix(in srgb, var(--warn) 9%, transparent); } .md .callout-warning .callout-title { color: var(--warn); }
.md .callout-caution { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, transparent); } .md .callout-caution .callout-title { color: var(--danger); }
.md .callout > :last-child { margin-bottom: 0; }

.codeblock { position: relative; margin: 0 0 14px; border-radius: 12px; overflow: hidden; background: var(--code-bg); border: 1px solid var(--border); }
.codeblock .cb-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 5px 6px 5px 14px; font-size: 12px;
  color: #9a9aab; background: rgba(255, 255, 255, .045); border-bottom: 1px solid rgba(255, 255, 255, .06); font-family: var(--font); position: sticky; top: 0; }
.codeblock .cb-lang { font-family: var(--mono); font-size: 11.5px; letter-spacing: .02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.codeblock .cb-acts { display: inline-flex; gap: 2px; flex: none; }
.codeblock .cb-head button { background: none; border: none; color: #9a9aab; cursor: pointer; font-size: 12px; display: inline-flex; gap: 5px; align-items: center;
  padding: 4px 7px; border-radius: 7px; }
.codeblock .cb-head button:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.codeblock .cb-head button.done { color: #3dd68c; }
.codeblock .cb-body { display: flex; overflow-x: auto; }
.codeblock .cb-ln { flex: none; padding: 14px 10px 14px 12px; text-align: right; color: #4d4f63; font-family: var(--mono); font-size: 13px; line-height: 1.55;
  white-space: pre; user-select: none; border-right: 1px solid rgba(255, 255, 255, .05); }
.codeblock pre { flex: 1; margin: 0; padding: 14px; color: var(--code-text); font-size: 13px; line-height: 1.55; tab-size: 4; min-width: 0; }
.codeblock pre code { background: none; padding: 0; font-size: inherit; border-radius: 0; }
.codeblock.cb-wrapped pre { white-space: pre-wrap; overflow-wrap: anywhere; } .codeblock.cb-wrapped .cb-ln { display: none; }
.codeblock.cb-wrapped .cb-wrap { color: #fff; }
.codeblock.cb-long .cb-body { max-height: 520px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 80%, transparent); mask-image: linear-gradient(#000 80%, transparent); }
.codeblock .cb-more { display: block; width: 100%; padding: 8px; border: none; border-top: 1px solid rgba(255, 255, 255, .06); background: rgba(255, 255, 255, .03);
  color: #b4b4c6; font-size: 12.5px; cursor: pointer; } .codeblock .cb-more:hover { color: #fff; background: rgba(255, 255, 255, .07); }
.codeblock.cb-open .cb-lang::after { content: " · writing…"; color: #6d6d7a; }
.tok-k { color: #c792ea; } .tok-s { color: #c3e88d; } .tok-c { color: #6b7089; font-style: italic; } .tok-n { color: #f78c6c; } .tok-f { color: #82aaff; }
.tok-t { color: #ffcb6b; } .tok-b { color: #89ddff; } .tok-d { color: #f07178; } .tok-p { color: #80cbc4; } .tok-v { color: #f07178; } .tok-a { color: #b2ccd6; }
.tok-ins { color: #c3e88d; background: rgba(61, 214, 140, .10); display: inline-block; min-width: 100%; }
.tok-del { color: #ff8b92; background: rgba(255, 99, 105, .10); display: inline-block; min-width: 100%; }
@media (max-width: 640px) { .codeblock .cb-ln { display: none; } .codeblock .cb-copy span { display: none; } }

/* empty state */
.empty { max-width: 760px; margin: 0 auto; padding: 14vh 20px 20px; text-align: center; }
.empty h1 { font-size: 30px; letter-spacing: -.02em; margin: 18px 0 6px; }
.empty .sub { color: var(--text-2); margin-bottom: 28px; }
.suggestions { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; text-align: left; }
.suggestion { padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel);
  cursor: pointer; font-size: 14px; color: var(--text-2); transition: border-color .12s, transform .12s; }
.suggestion:hover { border-color: var(--brand); color: var(--text); transform: translateY(-1px); }
.followups { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.suggestion.sm { padding: 7px 12px; font-size: 13px; border-radius: 999px; text-align: left; }

/* composer */
.composer { padding: 0 20px 14px; }
.composer-inner { max-width: 780px; margin: 0 auto; }
.composer-box { display: flex; align-items: flex-end; gap: 8px; padding: 10px 10px 10px 16px; border: 1px solid var(--border-2);
  border-radius: 22px; background: var(--panel); box-shadow: var(--shadow); }
.composer-box:focus-within { border-color: color-mix(in srgb, var(--brand) 60%, var(--border-2)); }
.composer-box textarea { border: none; box-shadow: none !important; padding: 6px 0; resize: none; max-height: 240px; min-height: 26px;
  background: transparent; line-height: 1.5; }
.send-btn { width: 38px; height: 38px; border-radius: 50%; border: none; background: var(--brand); color: var(--brand-contrast);
  display: grid; place-items: center; cursor: pointer; flex: none; transition: filter .12s, opacity .12s; }
.send-btn:disabled { opacity: .35; cursor: default; }
.send-btn svg { width: 18px; height: 18px; }
.send-btn.stop { background: var(--text); color: var(--bg); }
.disclaimer { text-align: center; font-size: 12px; color: var(--text-3); margin-top: 8px; }
.queued { font-size: 12px; color: var(--warn); text-align: center; margin-top: 6px; }

/* menus, popovers, modals, toasts */
.menu { position: fixed; z-index: 50; min-width: 200px; background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); padding: 6px; animation: pop .12s ease-out; }
.menu .mi-item { display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px; border: none; background: none;
  border-radius: 8px; cursor: pointer; text-align: left; font-size: 14px; }
.menu .mi-item:hover { background: var(--hover); }
.menu .mi-item.danger { color: var(--danger); }
.menu .mi-item svg { width: 16px; height: 16px; color: var(--text-2); }
.menu .sep { height: 1px; background: var(--border); margin: 6px 4px; }
.menu .model-opt { align-items: flex-start; }
.menu .model-opt .mo-icon { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; color: #fff; flex: none; font-size: 13px; }
.menu .model-opt .mo-sub { font-size: 12.5px; color: var(--text-2); }
.menu .model-opt .check { margin-left: auto; color: var(--brand); }
@keyframes pop { from { opacity: 0; transform: scale(.97) translateY(-4px); } }
.backdrop { position: fixed; inset: 0; background: rgba(8, 8, 14, .45); z-index: 60; display: grid; place-items: center; padding: 16px;
  animation: fade .15s; backdrop-filter: blur(2px); }
@keyframes fade { from { opacity: 0; } }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); width: min(720px, 100%);
  max-height: min(86vh, 900px); display: flex; flex-direction: column; animation: pop .15s ease-out; }
.modal.sm { width: min(440px, 100%); }
.modal-head { display: flex; align-items: center; padding: 16px 18px 10px 22px; }
.modal-head h2 { font-size: 18px; margin: 0; flex: 1; }
.modal-body { padding: 6px 22px 22px; overflow-y: auto; }
.modal-foot { display: flex; gap: 8px; justify-content: flex-end; padding: 12px 22px 18px; }
.settings-layout { display: grid; grid-template-columns: 170px 1fr; gap: 18px; min-height: 380px; }
.tabs-v { display: grid; align-content: start; gap: 2px; }
.tabs-v button { text-align: left; padding: 8px 12px; border-radius: 9px; border: none; background: none; cursor: pointer; font-size: 14px; color: var(--text-2); }
.tabs-v button.on { background: var(--bg-3); color: var(--text); font-weight: 600; }
.setting-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.setting-row:last-child { border-bottom: none; }
.setting-row .lbl { flex: 1; } .setting-row .lbl small { display: block; color: var(--text-3); font-size: 12.5px; }
.keybox { font-family: var(--mono); font-size: 13px; padding: 10px 12px; background: var(--bg-2); border: 1px dashed var(--border-2);
  border-radius: 10px; word-break: break-all; }
.snippet { background: var(--code-bg); color: var(--code-text); border-radius: 10px; padding: 12px; font-size: 12.5px; overflow-x: auto; white-space: pre; }
.meter { height: 8px; background: var(--bg-3); border-radius: 99px; overflow: hidden; }
.meter > i { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--accent)); border-radius: 99px; }
.mini-bars { display: flex; align-items: flex-end; gap: 3px; height: 90px; padding-top: 6px; }
.mini-bars i { flex: 1; background: color-mix(in srgb, var(--brand) 70%, transparent); border-radius: 3px 3px 0 0; min-height: 2px; }
#toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 80; display: grid; gap: 8px; justify-items: center; }
.toast { background: var(--text); color: var(--bg); padding: 9px 16px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow); animation: pop .15s; }
.toast.error { background: var(--danger); color: #fff; }

/* auth */
.auth { position: fixed; inset: 0; display: grid; place-items: center; background:
  radial-gradient(1200px 600px at 10% -10%, color-mix(in srgb, var(--brand) 18%, transparent), transparent),
  radial-gradient(900px 500px at 110% 110%, color-mix(in srgb, var(--accent) 14%, transparent), transparent), var(--bg); padding: 16px; z-index: 40; }
.auth-card { width: min(400px, 100%); background: var(--panel); border: 1px solid var(--border); border-radius: 20px; padding: 30px 28px;
  box-shadow: var(--shadow); }
.auth-card h1 { font-size: 22px; margin: 16px 0 4px; letter-spacing: -.01em; }
.auth-card .sub { color: var(--text-2); margin: 0 0 22px; font-size: 14px; }
.auth-card .switch-mode { text-align: center; font-size: 14px; color: var(--text-2); margin-top: 16px; }
.auth-card .switch-mode a { cursor: pointer; font-weight: 600; }
.auth-card .err { color: var(--danger); font-size: 13.5px; min-height: 20px; margin-bottom: 6px; }
.auth-foot { text-align: center; font-size: 12px; color: var(--text-3); margin-top: 18px; }
.first-run { background: color-mix(in srgb, var(--brand) 10%, transparent); color: var(--text); border-radius: 10px; padding: 10px 12px;
  font-size: 13px; margin-bottom: 16px; }

.mobile-only { display: none; }
@media (max-width: 820px) {
  #app, #app.collapsed { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 86vw; max-width: 300px; z-index: 30; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow); }
  #app.mobile-open .sidebar { transform: none; }
  .mobile-only { display: inline-grid; }
  .thread-inner, .composer { padding-left: 16px; padding-right: 16px; }
  .settings-layout { grid-template-columns: 1fr; }
  .tabs-v { grid-auto-flow: column; overflow-x: auto; }
  .msg.user .bubble { max-width: 90%; }
  .empty { padding-top: 8vh; }
}

/* ---- hybrid reasoning + agents ---- */
.composer-box.has-tools { flex-direction: column; align-items: stretch; gap: 4px; padding: 10px 10px 8px 16px; }
.attach-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.att-chip { display: flex; align-items: center; gap: 6px; max-width: 220px; padding: 4px 4px 4px 6px; border: 1px solid var(--border-2);
  border-radius: 10px; background: var(--panel); font-size: 12.5px; }
.att-chip img { width: 36px; height: 36px; object-fit: cover; border-radius: 6px; }
.att-chip.busy { opacity: .6; }
.att-list { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; margin-bottom: 6px; }
.att-img { max-width: 220px; max-height: 220px; border-radius: 12px; border: 1px solid var(--border); display: block; }
.att-audio { max-width: 280px; }
.chip.icon-only { padding-left: 8px; padding-right: 8px; }
.chip.rec { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 50%, var(--border-2)); }
.composer-box .cb-tools { display: flex; align-items: center; gap: 6px; margin-left: -6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 11px; border-radius: 99px; border: 1px solid var(--border);
  background: transparent; color: var(--text-2); cursor: pointer; font-size: 13px; font-weight: 500; white-space: nowrap; transition: background .12s, color .12s, border-color .12s; }
.chip:hover { background: var(--hover); color: var(--text); }
.chip svg { width: 15px; height: 15px; }
.chip.on { color: var(--brand); border-color: color-mix(in srgb, var(--brand) 45%, var(--border)); background: color-mix(in srgb, var(--brand) 9%, transparent); }
.chip .sub { color: var(--text-3); font-weight: 400; }
.chip.on .sub { color: color-mix(in srgb, var(--brand) 70%, var(--text-3)); }
.menu .mi-item.sel { font-weight: 600; }
.menu .mi-item .mi-check { margin-left: auto; color: var(--brand); display: inline-flex; }
.menu .mi-head { font-size: 11.5px; font-weight: 600; color: var(--text-3); padding: 8px 10px 4px; text-transform: uppercase; letter-spacing: .04em; }
.menu .mi-note { font-size: 12px; color: var(--text-3); padding: 2px 10px 6px; white-space: normal; line-height: 1.4; }
.menu .mi-item small { display: block; color: var(--text-3); font-size: 12px; font-weight: 400; }
.cap { display: inline-flex; align-items: center; gap: 3px; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 99px;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: color-mix(in srgb, var(--accent) 70%, var(--text)); }

.think { margin: 2px 0 12px; }
.think > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--text-2);
  padding: 3px 8px 3px 4px; border-radius: 8px; user-select: none; }
.think > summary:hover { background: var(--hover); color: var(--text); }
.think > summary::-webkit-details-marker { display: none; }
.think > summary svg { width: 15px; height: 15px; transition: transform .15s; }
.think[open] > summary .chev { transform: rotate(180deg); }
.think .t-body { margin: 6px 0 2px 11px; padding: 2px 0 2px 14px; border-left: 2px solid var(--border-2); color: var(--text-2);
  font-size: 14px; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 420px; overflow-y: auto; }
.think.live > summary .lbl { background: linear-gradient(90deg, var(--text-3) 0%, var(--text) 40%, var(--text-3) 80%); background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: shimmer 1.6s linear infinite; }
@keyframes shimmer { from { background-position: 120% 0; } to { background-position: -80% 0; } }
.spin { width: 13px; height: 13px; border-radius: 50%; border: 2px solid color-mix(in srgb, var(--brand) 25%, transparent);
  border-top-color: var(--brand); animation: rot .8s linear infinite; flex: none; }
@keyframes rot { to { transform: rotate(360deg); } }

.tool-card { border: 1px solid var(--border); border-radius: 12px; background: var(--bg-2); margin: 4px 0 12px; overflow: hidden; }
.tool-card > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 9px; padding: 8px 12px; font-size: 13.5px; }
.tool-card > summary::-webkit-details-marker { display: none; }
.tool-card > summary:hover { background: var(--hover); }
.tool-card .tc-ico { width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; flex: none;
  background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); }
.tool-card .tc-ico svg { width: 14px; height: 14px; }
.tool-card .tc-name { font-family: var(--mono); font-size: 12.5px; font-weight: 600; }
.tool-card .tc-args { color: var(--text-3); font-family: var(--mono); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.tool-card .tc-status { font-size: 12px; color: var(--text-3); display: inline-flex; align-items: center; gap: 5px; flex: none; }
.tool-card .tc-status.ok { color: var(--ok); } .tool-card .tc-status.err { color: var(--danger); }
.tool-card .tc-body { border-top: 1px solid var(--border); padding: 10px 12px; display: grid; gap: 8px; }
.tool-card .tc-body .k { font-size: 11.5px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; }
.tool-card .tc-body pre { margin: 0; font-size: 12.5px; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; max-height: 260px; overflow-y: auto; }
.msg .step-gap { height: 2px; }
@media (max-width: 820px) {
  .composer-box .cb-tools { flex-wrap: wrap; }
  .chip .sub { display: none; }
}

/* memory */
.mem-chip { display: flex; align-items: center; gap: 7px; max-width: 100%; margin: 0 0 8px; padding: 5px 10px; border-radius: 10px; font-size: 12.5px;
  color: var(--text-2); background: color-mix(in srgb, var(--brand) 7%, transparent); border: 1px solid color-mix(in srgb, var(--brand) 18%, transparent); }
.mem-chip svg { flex: none; color: var(--brand); width: 14px; height: 14px; }
.mem-chip .ellipsis { min-width: 0; flex: 1; }
.mem-chip.undone { opacity: .65; }
.linkish { background: none; border: none; padding: 0 2px; color: var(--brand); cursor: pointer; font-size: inherit; font-weight: 600; flex: none; }
.linkish:hover { text-decoration: underline; }
.pane-h { display: flex; align-items: center; gap: 8px; font-size: 15px; margin: 26px 0 6px; padding-top: 18px; border-top: 1px solid var(--border); }
.mem-list { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; max-height: 340px; overflow-y: auto; }
.mem-row { display: flex; align-items: center; gap: 6px; padding: 6px 6px 6px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
.mem-row:last-child { border-bottom: none; }
.mem-row.pinned { background: color-mix(in srgb, var(--brand) 5%, transparent); }
.mem-row .mem-text { flex: 1; min-width: 0; cursor: text; overflow-wrap: anywhere; }
.mem-row .mem-text b { font-weight: 600; color: var(--text-2); }
.mem-row input { flex: 1; }
.mem-row .icon-btn.on { color: var(--brand); }
.mem-src { font-size: 11px; color: var(--text-3); padding: 1px 6px; border-radius: 99px; background: var(--bg-3); flex: none; }
.pane-h svg { width: 18px; height: 18px; color: var(--brand); }
.settings-layout > * { min-width: 0; }

/* ---- phones and touch screens ---- */
/* the drawer: a scrim over the chat while it's open, swipe or tap outside to close (app.js) */
#app.mobile-open::after { content: ""; position: fixed; inset: 0; z-index: 29; background: rgba(8, 8, 14, .42); animation: fade .15s; }
@media (max-width: 820px) {
  .desktop-only { display: none !important; }
  .sidebar { padding-top: env(safe-area-inset-top); padding-bottom: env(safe-area-inset-bottom); overscroll-behavior: contain; }
  .topbar { padding: calc(6px + env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) 6px max(8px, env(safe-area-inset-left));
    min-height: 52px; gap: 2px; border-bottom: 1px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 5; }
  .topbar .title { display: none; }
  .model-picker { font-size: 15px; padding: 7px 8px; min-width: 0; max-width: 60vw; }
  .model-picker .mp-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .icon-btn { width: 40px; height: 40px; }
  .thread { overscroll-behavior-y: contain; -webkit-overflow-scrolling: touch; }
  .thread-inner { padding: 8px 14px 28px; }
  .msg { gap: 10px; margin: 18px 0; }
  .msg .m-avatar { width: 26px; height: 26px; font-size: 12px; }
  .msg.user .bubble { max-width: 88%; padding: 9px 14px; }
  .msg.user .bubble.md { min-width: 0; }
  .msg .actions .icon-btn { width: 36px; height: 36px; }
  .composer { padding: 0 max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left)); }
  .composer-box { border-radius: 20px; padding: 8px 8px 8px 14px; box-shadow: 0 2px 12px rgba(20, 20, 40, .08); }
  .composer-box textarea { max-height: 38vh; }
  .send-btn { width: 40px; height: 40px; }
  .disclaimer { font-size: 11px; margin-top: 6px; }
  /* 16px text in fields: iOS zooms the whole page into anything smaller */
  input[type=text], input[type=email], input[type=password], input[type=number], input[type=search], textarea, select { font-size: 16px; }
  .empty { padding: 6vh 16px 16px; }
  .empty h1 { font-size: 24px; margin-top: 12px; }
  .empty .sub { margin-bottom: 18px; }
  .suggestions { grid-template-columns: 1fr; gap: 8px; }
  .suggestion { padding: 12px 14px; text-align: left; }
  .followups { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .followups::-webkit-scrollbar { display: none; }
  .suggestion.sm { flex: none; max-width: 80vw; white-space: normal; }
  .conv { padding: 10px 8px 10px 12px; font-size: 15px; }
  .conv .more { width: 34px; height: 34px; }
  .new-chat kbd { display: none; }
  /* modals become bottom sheets, menus stay on screen */
  .backdrop { place-items: end stretch; padding: 0; }
  .modal, .modal.sm { width: 100%; max-height: calc(100dvh - 24px - env(safe-area-inset-top)); border-radius: 18px 18px 0 0;
    border-bottom: none; animation: sheet .2s ease-out; padding-bottom: env(safe-area-inset-bottom); }
  .modal-head { padding: 14px 14px 8px 18px; }
  .modal-body { padding: 4px 18px 18px; }
  .modal-foot { padding: 10px 18px 16px; flex-wrap: wrap; }
  .modal-foot .btn { flex: 1; }
  .setting-row { flex-wrap: wrap; }
  .menu { max-width: calc(100vw - 16px); max-height: calc(100dvh - 24px); overflow-y: auto; }
  .menu .mi-item { padding: 11px 10px; }
  #toasts { bottom: calc(96px + env(safe-area-inset-bottom)); width: calc(100vw - 32px); }
  .toast { text-align: center; }
  .auth { padding: 12px; }
  .auth-card { padding: 24px 20px; border-radius: 18px; }
  .att-img { max-width: 70vw; }
  .tool-card .tc-args { display: none; }
}
@keyframes sheet { from { transform: translateY(24px); opacity: 0; } }
/* no hover on touch screens: the per-message and per-chat actions are always there */
@media (hover: none) {
  .msg .actions { opacity: 1; }
  .conv .more { opacity: 1; }
  .suggestion:hover { transform: none; }
}