/* Bob Labs — components. Every color, length and family is a token from tokens.css
   (in the chat: the token block at the top of static/bl.css). Class prefix: bl-. */

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 15px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
::selection { background: var(--accent-soft); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a { color: inherit; }
* { scrollbar-width: thin; scrollbar-color: var(--line) transparent; }

/* ── type helpers ─────────────────────────────────────────────────────── */
.bl-label { font: 500 11px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.bl-tag { font: 400 13px/20px var(--font-mono); letter-spacing: .01em; color: var(--muted); }
.bl-muted { color: var(--muted); }
.bl-mono { font-family: var(--font-mono); }
.bl-sr { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.bl-icon { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.bl-icon-sm { width: 14px; height: 14px; }

/* ── brand ────────────────────────────────────────────────────────────── */
.bl-lockup { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none;
  font: 600 16px/1 var(--font-sans); letter-spacing: .01em; white-space: nowrap; }
.bl-lockup svg { display: block; width: 26px; height: 26px; flex: none; }
.bl-lockup .labs { background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.bl-lockup .app { margin-left: 2px; padding-left: 10px; border-left: 1px solid var(--line);
  font: 500 11px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* the TensorCash pill: the api.tensorcash.boblabs.eu button, the only place the TensorCash mark appears */
.bl-eco { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--edge); border-radius: 999px;
  padding: 8px 16px 8px 14px; font: 600 13.5px/1 var(--font-sans); color: var(--muted); text-decoration: none;
  white-space: nowrap; transition: border-color .2s ease, color .2s ease; }
.bl-eco img { display: block; width: 13px; height: 16px; }
.bl-eco:hover, .bl-eco:focus-visible { border-color: var(--accent); color: var(--accent); }
.bl-eco .ext { width: 12px; height: 12px; }
.bl-eco-sm { padding: 6px 12px 6px 10px; font-size: 12.5px; }
.bl-indie { font: 400 11.5px/16px var(--font-mono); letter-spacing: .02em; color: var(--muted); }

/* ── app header ───────────────────────────────────────────────────────── */
.bl-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; display: flex; align-items: center; gap: 20px;
  min-height: 56px; padding-block: 8px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
  background: var(--veil); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); }
.bl-header .end { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.bl-nav { display: flex; align-items: center; gap: 2px; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.bl-nav a { padding: 6px 11px; border-radius: 999px; font: 500 13.5px/20px var(--font-sans); color: var(--muted);
  text-decoration: none; white-space: nowrap; transition: color .2s ease, background-color .2s ease; }
.bl-nav a:hover { color: var(--fg); background: var(--hover); }
.bl-nav a[aria-current="page"] { color: var(--fg); background: var(--raised); box-shadow: inset 0 0 0 1px var(--line); }
.bl-live { display: inline-flex; align-items: center; gap: 8px; font: 400 12px/1 var(--font-mono); color: var(--muted); white-space: nowrap; }
.bl-live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.bl-live.off::before { background: var(--faint); box-shadow: none; }

/* theme switch: the boblabs.eu swarm toggle */
.bl-switch { display: inline-flex; align-items: center; gap: 8px; padding: 8px; border: 0; background: none; cursor: pointer;
  font: 500 11px/1 var(--font-mono); letter-spacing: .08em; color: var(--muted); transition: color .2s ease; }
.bl-switch:hover { color: var(--fg); }
.bl-switch .track { position: relative; width: 22px; height: 12px; border: 1px solid var(--edge); border-radius: 999px; transition: border-color .25s ease; }
.bl-switch .knob { position: absolute; top: 2px; left: 2px; width: 6px; height: 6px; border-radius: 50%; background: var(--muted);
  transition: transform .25s cubic-bezier(.2,.7,.2,1), background-color .25s ease; }
.bl-switch[aria-checked="true"] .track { border-color: var(--accent); }
.bl-switch[aria-checked="true"] .knob { transform: translateX(10px); background: var(--accent); }

/* ── actions ──────────────────────────────────────────────────────────── */
.bl-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 36px; padding: 0 16px;
  border: 1px solid var(--edge); border-radius: 999px; background: transparent; color: var(--fg);
  font: 500 14px/1 var(--font-sans); text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease; }
.bl-btn:hover { border-color: var(--accent); color: var(--accent); }
.bl-btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 600; }
.bl-btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); }
.bl-btn-quiet { border-color: transparent; color: var(--muted); }
.bl-btn-quiet:hover { border-color: transparent; background: var(--hover); color: var(--fg); }
.bl-btn-danger { border-color: var(--danger); color: var(--danger); }
.bl-btn-danger:hover { border-color: var(--danger); background: var(--danger-soft); color: var(--danger); }
.bl-btn-sm { height: 28px; padding: 0 12px; font-size: 13px; gap: 6px; }
.bl-btn-lg { height: 44px; padding: 0 22px; font-size: 15px; }
.bl-btn-icon { width: 36px; padding: 0; }
.bl-btn-icon.bl-btn-sm { width: 28px; }
.bl-btn:disabled, .bl-btn[aria-disabled="true"] { opacity: .45; cursor: default; pointer-events: none; }
.bl-link { border: 0; padding: 0; background: none; font: inherit; color: var(--muted); text-decoration: underline;
  text-underline-offset: 3px; cursor: pointer; }
.bl-link:hover { color: var(--accent); }

/* arrow link: the boblabs.eu contact link, the underline draws in on hover */
.bl-arrow { display: inline-flex; align-items: center; gap: 10px; font: 400 14px/1.4 var(--font-mono); color: var(--fg); text-decoration: none; }
.bl-arrow .arr { color: var(--faint); transition: color .2s ease, transform .2s ease; }
.bl-arrow .txt { padding-bottom: 2px; background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 1px no-repeat; transition: background-size .3s ease; }
.bl-arrow:hover .arr, .bl-arrow:focus-visible .arr { color: var(--accent); transform: translateX(3px); }
.bl-arrow:hover .txt, .bl-arrow:focus-visible .txt { background-size: 100% 1px; }

.bl-chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border: 1px solid var(--line);
  border-radius: 999px; background: transparent; color: var(--muted); font: 400 12px/1 var(--font-mono); white-space: nowrap;
  cursor: pointer; transition: border-color .2s ease, color .2s ease, background-color .2s ease; }
.bl-chip:hover { color: var(--fg); border-color: var(--edge); }
.bl-chip.on, .bl-chip[aria-pressed="true"] { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.bl-chip .bl-icon { width: 14px; height: 14px; }

.bl-seg { display: inline-flex; padding: 2px; border: 1px solid var(--line); border-radius: 999px; }
.bl-seg button { height: 24px; padding: 0 10px; border: 0; border-radius: 999px; background: none; color: var(--muted);
  font: 500 11px/1 var(--font-mono); letter-spacing: .04em; cursor: pointer; }
.bl-seg button[aria-pressed="true"] { background: var(--raised); color: var(--fg); box-shadow: inset 0 0 0 1px var(--edge); }

/* ── forms ────────────────────────────────────────────────────────────── */
.bl-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.bl-field > label { font: 500 11px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.bl-input, .bl-select, .bl-textarea { width: 100%; min-height: 38px; padding: 8px 12px; border: 1px solid var(--edge);
  border-radius: 10px; background: var(--raised); color: var(--fg); font: 400 14px/20px var(--font-sans);
  transition: border-color .2s ease, box-shadow .2s ease; }
.bl-textarea { resize: vertical; }
.bl-input::placeholder, .bl-textarea::placeholder { color: var(--muted); }
.bl-input:focus, .bl-select:focus, .bl-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.bl-selectwrap { position: relative; display: inline-flex; min-width: 0; }
.bl-selectwrap::after { content: ""; position: absolute; right: 13px; top: 50%; width: 6px; height: 6px; pointer-events: none;
  border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted); transform: translateY(-70%) rotate(45deg); }
.bl-select { appearance: none; -webkit-appearance: none; padding-right: 32px; cursor: pointer; }
.bl-select-pill { min-height: 28px; height: 28px; padding: 0 28px 0 12px; border-radius: 999px; border-color: var(--line);
  background: transparent; color: var(--muted); font: 400 12px/1 var(--font-mono); text-overflow: ellipsis; }
.bl-selectwrap:has(.bl-select-pill) { align-self: flex-start; max-width: 200px; }
.bl-selectwrap:has(.bl-select-pill)::after { right: 11px; width: 5px; height: 5px; }
.bl-help { font-size: 12.5px; line-height: 18px; color: var(--muted); }
.bl-error { font-size: 12.5px; line-height: 18px; color: var(--danger); }
.bl-check { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.bl-check input { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); }

/* ── surfaces ─────────────────────────────────────────────────────────── */
.bl-card { background: var(--raised); border: 1px solid var(--line); border-radius: 14px; padding: 16px; min-width: 0; }
.bl-card-link { display: flex; flex-direction: column; gap: 6px; text-align: left; color: inherit; text-decoration: none;
  font: inherit; cursor: pointer; transition: border-color .2s ease; }
.bl-card-link:hover { border-color: var(--edge); }
.bl-card .name { font-weight: 600; }
.bl-card .meta { font: 400 12px/16px var(--font-mono); color: var(--accent); }
.bl-card .desc { color: var(--muted); font-size: 13.5px; line-height: 1.5; overflow-wrap: break-word; }
.bl-card-add { align-items: center; justify-content: center; border-style: dashed; color: var(--muted); min-height: 96px; }
.bl-card-add:hover { color: var(--accent); border-color: var(--accent); }
.bl-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 12px; }

.bl-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 180px), 1fr)); gap: 12px; }
.bl-stat { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; background: var(--raised); border: 1px solid var(--line); border-radius: 14px; }
.bl-stat .v { font: 600 28px/32px var(--font-sans); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.bl-stat .v small { font: 400 13px/1 var(--font-mono); letter-spacing: 0; color: var(--muted); }
.bl-stat .s { font-size: 12.5px; line-height: 18px; color: var(--muted); }
.bl-stat-accent .v { color: var(--accent); }

.bl-tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--raised); }
.bl-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.bl-table th { padding: 10px 14px; text-align: left; white-space: nowrap; background: var(--surface); border-bottom: 1px solid var(--line);
  font: 500 11px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.bl-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.bl-table tbody tr:last-child td { border-bottom: 0; }
.bl-table tbody tr:hover { background: var(--hover); }
.bl-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.bl-table .mono { font-family: var(--font-mono); font-size: 12.5px; }

.bl-badge { display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 9px; border: 1px solid var(--line);
  border-radius: 999px; color: var(--muted); font: 500 11px/1 var(--font-mono); letter-spacing: .06em; white-space: nowrap; text-decoration: none; }
.bl-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.bl-badge-accent { border-color: transparent; background: var(--accent-soft); color: var(--accent); }
.bl-badge-ok { border-color: transparent; background: var(--ok-soft); color: var(--ok); }
.bl-badge-warn { border-color: transparent; background: var(--warn-soft); color: var(--warn); }
.bl-badge-danger { border-color: transparent; background: var(--danger-soft); color: var(--danger); }
.bl-badge-dashed { border-style: dashed; border-color: var(--warn); color: var(--warn); }
a.bl-badge:hover { text-decoration: underline; text-underline-offset: 2px; }

.bl-codebox { display: flex; align-items: center; gap: 8px; max-width: 100%; padding: 6px 6px 6px 12px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--surface); font: 400 13px/20px var(--font-mono); }
.bl-codebox code { flex: 1; min-width: 0; overflow-wrap: anywhere; font: inherit; }
.bl-copy { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 8px; border: 0; border-radius: 6px;
  background: none; color: var(--muted); font: 500 11px/1 var(--font-mono); letter-spacing: .04em; cursor: pointer; white-space: nowrap; }
.bl-copy:hover { background: var(--hover); color: var(--fg); }
.bl-copy.done { color: var(--ok); }

.bl-notice { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; background: var(--warn-soft);
  color: var(--fg); font-size: 13px; line-height: 1.5; }
.bl-notice > .bl-icon { margin-top: 1px; color: var(--warn); }
.bl-notice-danger { background: var(--danger-soft); }
.bl-notice-danger > .bl-icon { color: var(--danger); }
.bl-notice-info { background: var(--accent-soft); }
.bl-notice-info > .bl-icon { color: var(--accent); }

.bl-scrim { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: var(--scrim); }
.bl-scrim[hidden] { display: none; }
.bl-modal { width: min(440px, 100%); max-height: calc(100dvh - 32px); overflow: auto; display: flex; flex-direction: column; gap: 14px;
  padding: 24px; background: var(--raised); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-pop); }
.bl-modal h2 { margin: 0; font: 600 18px/1.3 var(--font-sans); letter-spacing: -.01em; }
.bl-modal .lead { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.bl-modal .actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; align-items: center; }
.bl-modal .actions .bl-link { margin-right: auto; }

/* ── page layout ──────────────────────────────────────────────────────── */
.bl-page { max-width: 1080px; margin: 0 auto; padding-block: 32px 64px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.bl-pagehead { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.bl-pagehead h1 { margin: 0; font: 500 26px/1.2 var(--font-sans); letter-spacing: -.02em; text-wrap: balance; }
.bl-pagehead p { margin: 6px 0 0; max-width: 62ch; color: var(--muted); }
.bl-section { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
.bl-section > h2 { margin: 0; padding-bottom: 8px; border-bottom: 1px solid var(--line);
  font: 500 11px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

.bl-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding-block: 16px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
  border-top: 1px solid var(--line); font: 400 12px/18px var(--font-mono); color: var(--muted); }
.bl-footer .indie { flex: 1 1 320px; min-width: 0; }
.bl-footer nav { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.bl-footer a { color: var(--muted); text-decoration: none; }
.bl-footer a:hover { color: var(--fg); }

/* ── sidebar and lists ────────────────────────────────────────────────── */
.bl-side { display: flex; flex-direction: column; gap: 12px; min-height: 0; padding: 14px 10px; background: var(--surface); border-right: 1px solid var(--line); }
.bl-group { display: flex; flex-direction: column; gap: 1px; }
.bl-sechead { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 4px 4px 10px; }
.bl-sechead a { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 6px; color: var(--muted); }
.bl-sechead a:hover { color: var(--accent); background: var(--hover); }
.bl-row { display: flex; align-items: center; gap: 8px; min-height: 34px; padding: 0 4px 0 10px; border-radius: 8px; color: var(--muted);
  font: 400 13.5px/1.3 var(--font-sans); text-decoration: none; cursor: pointer; }
.bl-row .t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bl-row .n { font: 400 11.5px/1 var(--font-mono); color: var(--muted); }
.bl-row:hover { background: var(--hover); color: var(--fg); }
.bl-row.on, .bl-row[aria-current="true"] { background: var(--raised); color: var(--fg); box-shadow: inset 0 0 0 1px var(--line); }
.bl-row .live { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: bl-pulse 1.4s ease-in-out infinite; }
.bl-row .acts { display: none; }
.bl-row:hover .acts, .bl-row.on .acts { display: flex; }
.bl-row .acts button { display: grid; place-items: center; width: 26px; height: 26px; border: 0; border-radius: 6px; background: none; color: var(--muted); cursor: pointer; }
.bl-row .acts button:hover { background: var(--hover); color: var(--fg); }
.bl-row.off .t { text-decoration: line-through; opacity: .6; }
.bl-row-empty { padding: 4px 10px; color: var(--muted); font-size: 12.5px; font-style: italic; }

/* ── chat ─────────────────────────────────────────────────────────────── */
.bl-thread { display: flex; flex-direction: column; gap: 24px; width: 100%; max-width: 760px; margin: 0 auto; padding-block: 24px; }
.bl-msg { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.bl-msg-user { align-self: flex-end; max-width: min(80%, 620px); padding: 10px 16px; border-radius: 18px 18px 4px 18px;
  background: var(--user); color: var(--fg); white-space: pre-wrap; overflow-wrap: break-word; font: 400 15px/1.6 var(--font-sans); }
.bl-msg-bot { align-self: stretch; }
.bl-msg-head { display: flex; align-items: center; gap: 8px; font: 500 12px/16px var(--font-mono); color: var(--muted); }
.bl-msg-head .who { color: var(--fg); }
.bl-byline { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; font: 400 12px/16px var(--font-mono); color: var(--muted); }
.bl-byline .acts { display: flex; gap: 2px; margin-left: auto; }
.bl-msg-err { display: flex; flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; padding: 10px 14px; border: 1px dashed var(--danger);
  border-radius: 12px; color: var(--danger); font-size: 14px; }
.bl-sys { text-align: center; font: 400 12px/16px var(--font-mono); color: var(--muted); }
.bl-cursor::after { content: ""; display: inline-block; width: .5em; height: 1.05em; margin-left: 2px; vertical-align: -.15em;
  background: var(--accent); opacity: .85; animation: bl-blink 1.1s steps(1) infinite; }

.bl-think { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.bl-think summary { display: flex; align-items: center; gap: 8px; padding: 8px 12px; list-style: none; cursor: pointer; user-select: none;
  font: 400 12.5px/16px var(--font-mono); color: var(--muted); }
.bl-think summary::-webkit-details-marker { display: none; }
.bl-think summary::before { content: ""; width: 7px; height: 7px; flex: none; transform: rotate(45deg); background: var(--accent); }
.bl-think.live summary::before { animation: bl-pulse 1.2s ease-in-out infinite; }
.bl-think summary .chev { margin-left: auto; transition: transform .2s ease; }
.bl-think[open] summary { border-bottom: 1px solid var(--line); }
.bl-think[open] summary .chev { transform: rotate(180deg); }
.bl-think .body { max-height: 16em; overflow: auto; padding: 10px 14px; color: var(--muted); font-size: 13.5px; line-height: 1.6; white-space: pre-wrap; }

.bl-tools { display: flex; flex-direction: column; gap: 6px; }
.bl-toolrun { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); font: 400 12.5px/18px var(--font-mono); color: var(--muted); }
.bl-toolrun summary { display: flex; align-items: center; gap: 8px; min-width: 0; padding: 6px 10px; list-style: none; cursor: pointer; }
.bl-toolrun summary::-webkit-details-marker { display: none; }
.bl-toolrun .st { display: grid; place-items: center; width: 16px; height: 16px; flex: none; }
.bl-toolrun .st .bl-icon { width: 14px; height: 14px; }
.bl-toolrun .name { color: var(--fg); white-space: nowrap; }
.bl-toolrun .arg { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bl-toolrun .time { flex: none; }
.bl-toolrun pre { margin: 0; max-height: 9em; overflow: auto; padding: 8px 10px; border-top: 1px solid var(--line); white-space: pre-wrap; font: inherit; }
.bl-toolrun.ok .st { color: var(--ok); }
.bl-toolrun.failed { color: var(--danger); }
.bl-toolrun.failed .st { color: var(--danger); }
.bl-spin { width: 12px; height: 12px; border: 1.5px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: bl-spin .8s linear infinite; }

.bl-composer { display: flex; flex-direction: column; gap: 6px; width: 100%; max-width: 760px; margin: 0 auto; padding: 10px 10px 8px 14px;
  border: 1px solid var(--edge); border-radius: 18px; background: var(--raised); transition: border-color .2s ease, box-shadow .2s ease; }
.bl-composer:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.bl-composer textarea { width: 100%; max-height: 200px; padding: 4px 0; border: 0; outline: none; resize: none; background: none;
  color: var(--fg); font: 400 15px/1.55 var(--font-sans); }
.bl-composer textarea::placeholder { color: var(--muted); }
.bl-composer .controls { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.bl-composer .send { display: grid; place-items: center; width: 34px; height: 34px; margin-left: auto; border: 0; border-radius: 50%;
  background: var(--accent); color: var(--on-accent); cursor: pointer; transition: background-color .2s ease; }
.bl-composer .send:hover { background: var(--accent-hover); }
.bl-composer .send:disabled { background: var(--hover); color: var(--muted); cursor: default; }
.bl-price { font: 400 11.5px/1 var(--font-mono); color: var(--muted); white-space: nowrap; }
.bl-composer-note { margin: 8px 0 0; text-align: center; font: 400 11.5px/16px var(--font-mono); color: var(--muted); }
.bl-jump { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border: 1px solid var(--edge); border-radius: 999px;
  background: var(--raised); color: var(--fg); font: 500 12px/1 var(--font-sans); box-shadow: var(--shadow-pop); cursor: pointer; }

/* markdown answers */
.bl-md { color: var(--fg); font: 400 15px/1.65 var(--font-sans); overflow-wrap: break-word; min-width: 0; }
.bl-md > :first-child { margin-top: 0; }
.bl-md > :last-child { margin-bottom: 0; }
.bl-md p { margin: 0 0 .8em; }
.bl-md h1, .bl-md h2, .bl-md h3, .bl-md h4 { margin: 1.4em 0 .5em; font-weight: 600; line-height: 1.3; letter-spacing: -.01em; text-wrap: balance; }
.bl-md h1 { font-size: 20px; }
.bl-md h2 { font-size: 18px; }
.bl-md h3, .bl-md h4 { font-size: 16px; }
.bl-md ul, .bl-md ol { margin: 0 0 .8em; padding-left: 1.4em; }
.bl-md li { margin: .25em 0; }
.bl-md li::marker { color: var(--muted); }
.bl-md a { color: var(--accent); text-underline-offset: 2px; }
.bl-md strong { font-weight: 600; }
.bl-md :not(pre) > code { padding: .1em .35em; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); font: 400 .86em var(--font-mono); }
.bl-md blockquote { margin: 0 0 .8em; padding: .1em 0 .1em 1em; border-left: 2px solid var(--edge); color: var(--muted); }
.bl-md hr { margin: 1.4em 0; border: 0; border-top: 1px solid var(--line); }
.bl-md .tbl { margin: 0 0 .9em; overflow-x: auto; }
.bl-md table { border-collapse: collapse; font-size: 14px; }
.bl-md th, .bl-md td { padding: 6px 12px; border: 1px solid var(--line); text-align: left; }
.bl-md th { background: var(--surface); font-weight: 600; }
.bl-code { margin: 0 0 .9em; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.bl-code .bar { display: flex; align-items: center; justify-content: space-between; height: 34px; padding: 0 4px 0 12px; border-bottom: 1px solid var(--line);
  font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.bl-code pre { margin: 0; padding: 12px 14px; overflow-x: auto; font: 400 13px/20px var(--font-mono); color: var(--fg); tab-size: 4; }

/* signed-out landing */
.bl-hero { position: relative; isolation: isolate; display: flex; flex-direction: column; gap: 20px; width: 100%; max-width: 760px; margin: 0 auto; padding-block: 48px 32px; }
.bl-hero h1 { margin: 0; max-width: 22ch; font: 500 clamp(28px, 5vw, 40px)/1.15 var(--font-sans); letter-spacing: -.022em; text-wrap: balance; }
.bl-hero .bl-tag { max-width: 60ch; margin: 0; }
.bl-hero .credit { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.bl-hero .credit b { font: 500 44px/1 var(--font-mono); letter-spacing: -.03em; color: var(--accent); font-variant-numeric: tabular-nums; }
.bl-hero .cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.bl-gridbg { position: absolute; inset: -24px -12vw 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-strong) 1px, transparent 1px), linear-gradient(90deg, var(--grid-strong) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 200px 200px, 200px 200px; background-position: center;
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 40%, #000 0%, #000 30%, transparent 75%); }
.bl-feats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 1px; overflow: hidden;
  border: 1px solid var(--line); border-radius: 14px; background: var(--line); }
.bl-feat { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px; background: var(--surface); }
.bl-feat b { display: flex; align-items: center; gap: 8px; font: 600 14px/20px var(--font-sans); }
.bl-feat b .bl-icon { color: var(--accent); }
.bl-feat span { color: var(--muted); font-size: 13px; line-height: 1.5; }
.bl-feat code { font: 400 12px var(--font-mono); }
.bl-empty { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; width: 100%; max-width: 760px; margin: 0 auto; padding-block: 12vh 24px; }
.bl-empty h2 { margin: 0; font: 500 26px/1.25 var(--font-sans); letter-spacing: -.02em; }
.bl-prompts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 8px; width: 100%; }
.bl-prompt { padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--fg);
  font: 400 13.5px/1.45 var(--font-sans); text-align: left; cursor: pointer; transition: border-color .2s ease; }
.bl-prompt:hover { border-color: var(--edge); }
.bl-prompt span { display: block; margin-top: 2px; color: var(--muted); font-size: 12.5px; }

/* memory calendar */
.bl-cal { max-width: 640px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--raised); }
.bl-cal .head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px;
  font: 500 13px/1 var(--font-mono); }
.bl-cal .head .nav { display: flex; align-items: center; gap: 4px; }
.bl-cal .grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.bl-cal .dow { padding: 4px 0; text-align: center; font: 500 10.5px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.bl-cal .day { display: flex; flex-direction: column; align-items: center; gap: 4px; min-height: 44px; padding: 6px 2px; border: 0; border-radius: 8px;
  background: none; color: var(--muted); font: 400 12px/1 var(--font-mono); }
.bl-cal .day.has { color: var(--fg); cursor: pointer; }
.bl-cal .day.has::after { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
.bl-cal .day.has:hover { background: var(--hover); }
.bl-cal .day.today { box-shadow: inset 0 0 0 1px var(--edge); }
.bl-cal .day.on { background: var(--accent); color: var(--on-accent); }
.bl-cal .day.on::after { background: var(--on-accent); }

/* ── motion ───────────────────────────────────────────────────────────── */
.bl-rise { animation: bl-rise .9s cubic-bezier(.2,.7,.2,1) both; }
@keyframes bl-rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes bl-blink { 50% { opacity: 0; } }
@keyframes bl-pulse { 50% { opacity: .35; } }
@keyframes bl-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .bl-rise, .bl-cursor::after, .bl-think.live summary::before, .bl-row .live { animation: none; }
  .bl-spin { animation-duration: 2.4s; }
}