@layer app {
  body { background: #0f0d16; color: #eeeaf8; }

  /* ================================================================ tokens */
  .sib {
    --bg: #0f0d16;
    --bg-1: #13101c;
    --bg-2: #18142a;
    --bg-3: #201b33;
    --bg-4: #2a2442;
    --line: rgba(206, 192, 255, .085);
    --line-2: rgba(206, 192, 255, .14);
    --line-3: rgba(206, 192, 255, .24);
    --ink: #eeeaf8;
    --ink-2: #bdb5d4;
    --ink-3: #8f87a9;
    --acc: #b69cff;
    --acc-2: #d6caff;
    --acc-3: #8d6cf2;
    --acc-ink: #170f2e;
    --acc-soft: rgba(182, 156, 255, .12);
    --acc-line: rgba(182, 156, 255, .38);
    --ok: #82e3bd;
    --warn: #f4c77f;
    --bad: #ff9aaa;
    --sans: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
    --serif: "Newsreader", ui-serif, Georgia, serif;
    --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --side-w: 284px;
    --src-w: 452px;
    --col: 760px;
    --ease: cubic-bezier(.2, .8, .2, 1);
    --spring: cubic-bezier(.34, 1.45, .64, 1);

    position: relative;
    height: calc(100svh - var(--fs-bar-h));
    min-height: 580px;
    display: grid;
    grid-template-columns: var(--side-w) minmax(0, 1fr) 0px;
    grid-template-rows: minmax(0, 1fr);
    overflow: hidden;
    background: var(--bg);
    color: var(--ink);
    font: 400 14px/1.5 var(--sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: grid-template-columns .55s var(--ease);
  }
  .sib.is-src { grid-template-columns: var(--side-w) minmax(0, 1fr) var(--src-w); }

  :where(.sib) *, :where(.sib) *::before, :where(.sib) *::after { box-sizing: border-box; }
  :where(.sib) button { font: inherit; color: inherit; background: none; border: 0; padding: 0; margin: 0; cursor: pointer; text-align: inherit; -webkit-tap-highlight-color: transparent; }
  :where(.sib) button:disabled { cursor: default; }
  :where(.sib) :is(h2, h3, h4, p, ul, ol, figure) { margin: 0; }
  :where(.sib) :is(ul, ol) { padding: 0; list-style: none; }
  .sib [hidden] { display: none !important; }
  .sib :focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; }
  .sib ::selection { background: rgba(182, 156, 255, .35); color: #fff; }

  .sib-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
  .sib-sr { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0; }
  .sib-i { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; display: block; }
  .sib-i--xs { width: 14px; height: 14px; }

  /* file-type badge */
  .sib-ft {
    --c: #d6caff; --b: rgba(214, 202, 255, .12);
    display: inline-grid; place-items: center; flex: none;
    min-width: 30px; height: 18px; padding: 0 5px; border-radius: 5px;
    background: var(--b); color: var(--c);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 22%, transparent);
    font: 600 9.5px/1 var(--mono); letter-spacing: .04em;
  }
  .sib-ft[data-t="pdf"] { --c: #ffab9c; --b: rgba(255, 140, 120, .12); }
  .sib-ft[data-t="xlsx"] { --c: #8fe6c2; --b: rgba(127, 224, 184, .11); }
  .sib-ft[data-t="docx"] { --c: #9cc8ff; --b: rgba(140, 190, 255, .12); }
  .sib-ft[data-t="md"] { --c: #d6caff; --b: rgba(214, 202, 255, .12); }

  /* icon buttons */
  .sib-ibtn {
    position: relative; display: inline-grid; place-items: center; flex: none;
    width: 34px; height: 34px; border-radius: 10px; color: var(--ink-2);
    transition: background .18s, color .18s, transform .18s var(--ease);
  }
  .sib-ibtn:hover:not(:disabled) { background: rgba(214, 202, 255, .07); color: var(--ink); }
  .sib-ibtn:active:not(:disabled) { transform: scale(.92); }
  .sib-ibtn:disabled { opacity: .35; }
  .sib-ibtn--sm { width: 28px; height: 28px; border-radius: 8px; }
  .sib-ibtn--sm .sib-i { width: 16px; height: 16px; }

  [data-tip] { position: relative; }
  @media (hover: hover) {
    .sib [data-tip]::after {
      content: attr(data-tip); position: absolute; left: 50%; bottom: calc(100% + 8px); z-index: 50;
      transform: translate(-50%, 4px); opacity: 0; pointer-events: none;
      padding: 6px 9px; border-radius: 8px; white-space: nowrap;
      background: #f1edfb; color: #1b1530; font: 600 11.5px/1 var(--sans);
      box-shadow: 0 8px 20px -8px rgba(0, 0, 0, .6);
      transition: opacity .16s, transform .16s var(--ease);
    }
    .sib [data-tip]:hover::after { opacity: 1; transform: translate(-50%, 0); transition-delay: .35s; }
    .sib [data-tip][aria-expanded="true"]::after { display: none; }
  }

  .sib-label { font: 600 10.5px/1.2 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
  .sib-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(130, 227, 189, .14); flex: none; }

  .sib-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 36px; padding: 0 14px; border-radius: 11px;
    background: var(--acc); color: var(--acc-ink); font-weight: 600; font-size: 13px;
    transition: transform .18s var(--ease), background .18s, box-shadow .18s;
  }
  .sib-btn:hover { background: var(--acc-2); box-shadow: 0 8px 22px -10px rgba(182, 156, 255, .8); }
  .sib-btn:active { transform: scale(.97); }
  .sib-btn .sib-i { width: 16px; height: 16px; }
  .sib-btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-3); }
  .sib-btn--ghost:hover { background: rgba(214, 202, 255, .06); box-shadow: inset 0 0 0 1px var(--acc-line); }

  /* ================================================================ orb (brand + avatar) */
  .sib-orb {
    --s: 28px;
    position: relative; flex: none; display: block; width: var(--s); height: var(--s);
    border-radius: 50%; overflow: hidden; isolation: isolate;
    background: radial-gradient(120% 120% at 28% 24%, #faf7ff 0%, #d9caff 20%, #a888fb 46%, #6243d2 76%, #2c1d66 100%);
    box-shadow: 0 0 0 1px rgba(214, 200, 255, .2), 0 6px 22px -6px rgba(182, 156, 255, .55);
  }
  .sib-orb i {
    position: absolute; inset: -8%; border-radius: 50%;
    background: radial-gradient(circle at 42% 45%, #1d1733 0%, #110d1d 65%);
    box-shadow: -1px 0 5px rgba(8, 6, 14, .55);
    transform: translateX(48%);
  }
  .sib-orb--brand { --s: 26px; }
  .sib-orb--xl {
    --s: 60px;
    box-shadow: 0 0 0 1px rgba(214, 200, 255, .22), 0 0 70px 4px rgba(182, 156, 255, .22), 0 14px 40px -12px rgba(182, 156, 255, .6);
  }
  .sib-orb--xl i { animation: sib-breathe 7s ease-in-out infinite alternate; }
  @keyframes sib-breathe { from { transform: translateX(56%); } to { transform: translateX(38%); } }
  .sib-orb.is-think i { animation: sib-phase 2.1s cubic-bezier(.45, 0, .55, 1) infinite; }
  .sib-orb.is-think { box-shadow: 0 0 0 1px rgba(214, 200, 255, .3), 0 0 22px 2px rgba(182, 156, 255, .45); }
  @keyframes sib-phase { from { transform: translateX(112%); } to { transform: translateX(-112%); } }

  .sib-ring { display: block; width: 14px; height: 14px; border-radius: 50%; border: 2px solid rgba(182, 156, 255, .22); border-top-color: var(--acc); animation: sib-spin .8s linear infinite; }
  @keyframes sib-spin { to { transform: rotate(360deg); } }

  /* ================================================================ sidebar */
  .sib-side {
    grid-column: 1; grid-row: 1; min-height: 0; z-index: 30;
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, #14111f 0%, var(--bg-1) 100%);
    border-right: 1px solid var(--line);
  }
  .sib-side__head { display: flex; align-items: center; gap: 10px; padding: 18px 16px 14px 18px; }
  .sib-brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
  .sib-brand__txt { display: grid; gap: 3px; min-width: 0; }
  .sib-brand__name { font: 500 23px/1 var(--serif); letter-spacing: -.015em; color: var(--ink); font-variation-settings: "opsz" 36; }
  .sib-brand__ws { font: 500 11.5px/1.1 var(--sans); color: var(--ink-3); white-space: nowrap; }
  .sib-side__close { display: none; margin-left: auto; }

  .sib-newchat {
    display: flex; align-items: center; gap: 10px; margin: 2px 12px 8px; height: 42px; padding: 0 14px 0 12px;
    border-radius: 13px; font-weight: 600; font-size: 13.5px; color: var(--ink);
    background: linear-gradient(180deg, rgba(214, 202, 255, .08), rgba(214, 202, 255, .035));
    box-shadow: inset 0 0 0 1px var(--line-2), 0 1px 0 rgba(255, 255, 255, .03) inset;
    transition: box-shadow .2s, background .2s, transform .18s var(--ease);
  }
  .sib-newchat .sib-i { width: 18px; height: 18px; padding: 2px; border-radius: 6px; background: var(--acc); color: var(--acc-ink); stroke-width: 2.2; }
  .sib-newchat:hover { box-shadow: inset 0 0 0 1px var(--acc-line); background: linear-gradient(180deg, rgba(214, 202, 255, .11), rgba(214, 202, 255, .05)); }
  .sib-newchat:active { transform: scale(.98); }

  .sib-side__scroll { flex: 1; min-height: 0; overflow-y: auto; padding: 8px 10px 18px; scrollbar-width: thin; scrollbar-color: rgba(206, 192, 255, .14) transparent; overscroll-behavior: contain; }
  .sib-hist > .sib-label, .sib-kb__head { padding: 12px 8px 4px; }
  .sib-hist__day { margin: 10px 8px 3px; font: 500 11.5px/1.2 var(--sans); color: var(--ink-3); }
  .sib-hist__list { display: grid; gap: 1px; }
  .sib-hist__item {
    position: relative; display: block; width: 100%; padding: 7px 10px; border-radius: 9px;
    font-size: 13.5px; line-height: 1.35; color: var(--ink-2);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    transition: background .15s, color .15s;
  }
  .sib-hist__item:hover { background: rgba(214, 202, 255, .05); color: var(--ink); }
  .sib-hist__item[aria-current="true"] { background: var(--acc-soft); color: var(--ink); }
  .sib-hist__item[aria-current="true"]::before { content: ""; position: absolute; left: 0; top: 9px; bottom: 9px; width: 2px; border-radius: 2px; background: var(--acc); }
  .sib-hist__item.is-new { animation: sib-rise .5s var(--ease) both; }
  .sib-hist__item .sib-type-caret { display: inline-block; width: 1.5px; height: 1em; margin-left: 1px; vertical-align: -2px; background: var(--acc); animation: sib-blink .8s steps(1) infinite; }

  .sib-kb { margin-top: 14px; }
  .sib-kb__head { display: flex; align-items: center; gap: 8px; }
  .sib-kb__count { min-width: 18px; height: 18px; padding: 0 5px; border-radius: 6px; display: inline-grid; place-items: center; background: rgba(214, 202, 255, .07); color: var(--ink-2); font: 600 10.5px/1 var(--mono); }
  .sib-kb__add { margin-left: auto; margin-right: -4px; }
  .sib-kb__add:disabled { opacity: .3; }
  .sib-docs { display: grid; gap: 2px; margin-top: 4px; }
  .sib-doc {
    position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 4px 10px;
    width: 100%; padding: 7px 10px; border-radius: 11px; transition: background .2s, box-shadow .3s;
  }
  .sib-doc:hover { background: rgba(214, 202, 255, .05); }
  .sib-doc__txt { display: grid; gap: 2px; min-width: 0; }
  .sib-doc__name { font-size: 13px; line-height: 1.3; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-doc__meta { font-size: 11.5px; line-height: 1.25; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
  .sib-doc__st { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; color: var(--ok); }
  .sib-doc__st .sib-i { width: 14px; height: 14px; stroke-width: 2; }
  .sib-doc__st[data-st="ok"] { background: rgba(130, 227, 189, .1); }
  .sib-doc__st.is-pop { animation: sib-pop .5s var(--spring); }
  .sib-doc__bar { grid-column: 2 / -1; height: 2px; border-radius: 2px; background: rgba(214, 202, 255, .1); overflow: hidden; margin-top: 2px; }
  .sib-doc__bar i { display: block; height: 100%; width: var(--p); border-radius: inherit; background: linear-gradient(90deg, var(--acc-3), var(--acc)); transition: width .4s var(--ease); }
  .sib-doc.is-scan { background: rgba(182, 156, 255, .09); box-shadow: inset 0 0 0 1px rgba(182, 156, 255, .28); }
  .sib-doc.is-hit::after { content: ""; position: absolute; left: 3px; top: 50%; width: 3px; height: 3px; margin-top: -1.5px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 8px var(--acc); }
  .sib-doc.is-added { animation: sib-rise .55s var(--ease) both; }
  .sib-kb__foot { display: flex; align-items: center; gap: 9px; margin: 12px 10px 0; font-size: 11.5px; color: var(--ink-3); }

  .sib-user { display: flex; align-items: center; gap: 11px; padding: 12px 16px 14px; border-top: 1px solid var(--line); }
  .sib-avatar {
    display: grid; place-items: center; width: 32px; height: 32px; flex: none; border-radius: 50%;
    background: linear-gradient(135deg, #3a2f5c, #251e3c); color: var(--acc-2);
    box-shadow: inset 0 0 0 1px var(--line-3); font: 600 11.5px/1 var(--sans); letter-spacing: .04em;
  }
  .sib-user__txt { display: grid; gap: 1px; min-width: 0; }
  .sib-user__txt strong { font-weight: 600; font-size: 13px; }
  .sib-user__txt span { font-size: 11.5px; color: var(--ink-3); }
  .sib-user__plan { margin-left: auto; padding: 4px 8px; border-radius: 6px; font: 600 10px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--acc-2); background: var(--acc-soft); box-shadow: inset 0 0 0 1px rgba(182, 156, 255, .22); }

  /* ================================================================ main column */
  .sib-main {
    grid-column: 2; grid-row: 1; position: relative; min-width: 0; min-height: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto minmax(0, 1fr);
    grid-template-areas: "top" "scroll" "dock" "below";
    background:
      radial-gradient(900px 420px at 50% -120px, rgba(140, 108, 242, .13), transparent 70%),
      radial-gradient(600px 300px at 85% 105%, rgba(182, 156, 255, .05), transparent 70%),
      var(--bg);
  }
  .sib-main::before {
    content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0; opacity: .5;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .8 0 0 0 0 .75 0 0 0 0 1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  .sib-main > * { position: relative; z-index: 1; }
  .sib[data-mode="chat"] .sib-main { grid-template-rows: auto minmax(0, 1fr) auto 0; }

  .sib-top { grid-area: top; display: flex; align-items: center; gap: 10px; height: 56px; padding: 0 16px 0 22px; }
  .sib-top__menu, .sib-top__new { display: none; }
  .sib-top__title {
    min-width: 0; flex: 1; font: 600 14px/1.2 var(--sans); color: var(--ink-2);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .3s;
  }
  .sib[data-mode="chat"] .sib-top__title { color: var(--ink); }
  .sib-top__title.is-swap { animation: sib-swap .5s var(--ease); }
  .sib-top__right { display: flex; align-items: center; gap: 8px; flex: none; }
  .sib-top__kb { display: inline-flex; align-items: center; gap: 9px; padding: 0 10px; font-size: 12.5px; color: var(--ink-3); white-space: nowrap; }
  .sib-pill {
    display: inline-flex; align-items: center; gap: 7px; height: 32px; padding: 0 10px 0 9px; border-radius: 10px;
    font-size: 12.5px; font-weight: 600; color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--line-2);
    transition: background .2s, color .2s, box-shadow .2s, opacity .2s;
  }
  .sib-pill .sib-i { width: 16px; height: 16px; }
  .sib-pill b { min-width: 18px; height: 18px; padding: 0 5px; display: inline-grid; place-items: center; border-radius: 6px; background: rgba(214, 202, 255, .08); font: 600 10.5px/1 var(--mono); }
  .sib-pill:hover:not(:disabled) { color: var(--ink); background: rgba(214, 202, 255, .05); box-shadow: inset 0 0 0 1px var(--line-3); }
  .sib-pill[aria-expanded="true"] { color: var(--acc-2); box-shadow: inset 0 0 0 1px var(--acc-line); background: var(--acc-soft); }
  .sib-pill[aria-expanded="true"] b { background: var(--acc); color: var(--acc-ink); }
  .sib-pill:disabled { opacity: .4; }

  /* ---------------------------------------------------------------- scroll + empty state */
  .sib-scroll {
    grid-area: scroll; min-height: 0; overflow: hidden;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 0 24px;
  }
  .sib[data-mode="chat"] .sib-scroll {
    display: block; overflow-y: auto; overscroll-behavior: contain; scroll-padding-bottom: 24px;
    scrollbar-width: thin; scrollbar-color: rgba(206, 192, 255, .16) transparent;
  }
  .sib-empty { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 0 30px; }
  .sib[data-mode="chat"] .sib-empty { display: none; }
  .sib-empty .sib-orb { margin-bottom: 26px; animation: sib-rise .9s var(--ease) both; }
  .sib-hello {
    font: 300 clamp(34px, 4.2vw, 54px)/1.04 var(--serif); letter-spacing: -.025em; color: var(--ink);
    font-variation-settings: "opsz" 72; animation: sib-rise .9s .08s var(--ease) both; text-wrap: balance;
  }
  .sib-hello em { font-style: italic; font-weight: 400; color: var(--acc-2); }
  .sib-sub { max-width: 460px; margin-top: 14px; font-size: 15.5px; line-height: 1.5; color: var(--ink-2); animation: sib-rise .9s .16s var(--ease) both; text-wrap: balance; }

  .sib-below { grid-area: below; min-height: 0; overflow: hidden; padding: 26px 24px 0; }
  .sib[data-mode="chat"] .sib-below { display: none; }
  .sib-below__title { max-width: var(--col); margin: 0 auto 12px; padding: 0 4px; }
  .sib-prompts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; max-width: var(--col); margin: 0 auto; }
  .sib-prompts li { animation: sib-rise .7s calc(.25s + var(--i) * .06s) var(--ease) both; }
  .sib-prompt {
    position: relative; display: grid; gap: 10px; align-content: start; width: 100%; height: 100%; min-height: 96px;
    padding: 14px 44px 15px 16px; border-radius: 16px; overflow: hidden;
    background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 120%), rgba(182, 156, 255, .11), transparent 70%), rgba(24, 20, 42, .72);
    box-shadow: inset 0 0 0 1px var(--line-2);
    transition: box-shadow .25s, transform .25s var(--ease), background-color .25s;
  }
  .sib-prompt:hover { box-shadow: inset 0 0 0 1px var(--acc-line), 0 16px 34px -22px rgba(141, 108, 242, .7); transform: translateY(-2px); }
  .sib-prompt:active { transform: translateY(0) scale(.985); }
  .sib-prompt__src { display: flex; align-items: center; gap: 8px; min-width: 0; font: 500 11.5px/1 var(--mono); color: var(--ink-3); }
  .sib-prompt__src span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-prompt__q { font-size: 14.5px; line-height: 1.42; color: var(--ink); text-wrap: pretty; }
  .sib-prompt__go { position: absolute; top: 13px; right: 13px; width: 18px; height: 18px; color: var(--ink-3); transition: transform .3s var(--ease), color .2s; }
  .sib-prompt:hover .sib-prompt__go { color: var(--acc); transform: translate(2px, -2px); }

  /* ---------------------------------------------------------------- dock + composer */
  .sib-dock { grid-area: dock; position: relative; padding: 0 24px 14px; }
  .sib[data-mode="chat"] .sib-dock { padding-top: 6px; }
  .sib[data-mode="chat"] .sib-dock::before {
    content: ""; position: absolute; left: 0; right: 0; bottom: 100%; height: 36px; pointer-events: none;
    background: linear-gradient(to top, var(--bg), transparent);
  }
  .sib-composer {
    view-transition-name: sib-composer;
    position: relative; width: 100%; max-width: var(--col); margin: 0 auto;
    border: 1px solid transparent; border-radius: 22px;
    background: linear-gradient(var(--bg-2), var(--bg-2)) padding-box, linear-gradient(180deg, rgba(214, 200, 255, .24), rgba(214, 200, 255, .07)) border-box;
    box-shadow: 0 26px 60px -30px rgba(0, 0, 0, .9), 0 1px 0 rgba(255, 255, 255, .04) inset;
    transition: box-shadow .3s, background .3s;
  }
  .sib-composer:focus-within {
    background: linear-gradient(var(--bg-2), var(--bg-2)) padding-box, linear-gradient(180deg, rgba(182, 156, 255, .7), rgba(182, 156, 255, .18)) border-box;
    box-shadow: 0 0 0 4px rgba(182, 156, 255, .07), 0 26px 60px -30px rgba(0, 0, 0, .9);
  }
  .sib-composer.is-shake { animation: sib-shake .4s var(--ease); }
  .sib-input {
    display: block; width: 100%; min-height: 54px; max-height: 220px; resize: none; overflow-y: auto;
    padding: 17px 18px 6px; border: 0; outline: 0; background: transparent; color: var(--ink);
    font: 400 16px/1.5 var(--sans); scrollbar-width: thin;
  }
  .sib-input::placeholder { color: var(--ink-3); opacity: 1; }
  .sib-composer__row { display: flex; align-items: center; gap: 10px; padding: 6px 8px 8px 10px; }
  .sib-composer__tools { display: flex; align-items: center; gap: 4px; min-width: 0; flex: 1; }
  .sib-tool { width: 36px; height: 36px; border-radius: 11px; }
  .sib-tool .sib-i { width: 19px; height: 19px; }
  .sib-model {
    display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 9px 0 8px; border-radius: 10px;
    font-size: 13px; font-weight: 600; color: var(--ink-2); transition: background .18s, color .18s;
  }
  .sib-model:hover, .sib-model[aria-expanded="true"] { background: rgba(214, 202, 255, .07); color: var(--ink); }
  .sib-model__ic { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px; background: var(--acc-soft); color: var(--acc-2); }
  .sib-model__ic .sib-i { width: 14px; height: 14px; }
  .sib-model .sib-i--xs { color: var(--ink-3); transition: transform .25s var(--ease); }
  .sib-model[aria-expanded="true"] .sib-i--xs { transform: rotate(180deg); }
  .sib-scope { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 8px; margin-left: 2px; border-radius: 8px; font-size: 12px; color: var(--ink-3); white-space: nowrap; }
  .sib-hint { flex: none; font-size: 11.5px; color: var(--ink-3); white-space: nowrap; }
  .sib-hint span { margin: 0 3px; opacity: .6; }
  .sib-hint kbd { display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 4px; margin: 0 1px; border-radius: 5px; font: 600 12px/1 system-ui, sans-serif; color: var(--ink-2); background: rgba(214, 202, 255, .06); box-shadow: inset 0 0 0 1px var(--line-2), 0 1px 0 rgba(0, 0, 0, .4); }
  .sib-send {
    position: relative; display: grid; place-items: center; flex: none; width: 38px; height: 38px; border-radius: 13px;
    background: var(--acc); color: var(--acc-ink);
    box-shadow: 0 8px 20px -10px rgba(182, 156, 255, .9), inset 0 1px 0 rgba(255, 255, 255, .45);
    transition: transform .2s var(--ease), background .2s, opacity .2s, box-shadow .2s;
  }
  .sib-send .sib-i { grid-area: 1 / 1; width: 19px; height: 19px; stroke-width: 2; transition: transform .3s var(--spring), opacity .2s; }
  .sib-send__stop { opacity: 0; transform: scale(.4); }
  .sib-send:hover:not(:disabled) { background: var(--acc-2); transform: translateY(-1px); }
  .sib-send:active:not(:disabled) { transform: scale(.94); }
  .sib-send:disabled { background: rgba(214, 202, 255, .1); color: var(--ink-3); box-shadow: none; }
  .sib[data-busy] .sib-send { background: var(--ink); color: var(--acc-ink); }
  .sib[data-busy] .sib-send__go { opacity: 0; transform: translateY(-8px) scale(.6); }
  .sib[data-busy] .sib-send__stop { opacity: 1; transform: none; }
  .sib[data-busy] .sib-send::before {
    content: ""; position: absolute; inset: -4px; border-radius: 16px; pointer-events: none;
    background: conic-gradient(from 0deg, transparent 0 62%, var(--acc) 82%, transparent 100%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
    padding: 2px; animation: sib-spin 1.2s linear infinite;
  }
  .sib-disc { max-width: var(--col); margin: 9px auto 0; text-align: center; font-size: 11.5px; line-height: 1.4; color: var(--ink-3); }

  /* attachments */
  .sib-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 12px 0; }
  .sib-chips:empty { display: none; }
  .sib-chip {
    position: relative; display: flex; align-items: center; gap: 9px; max-width: 280px; height: 46px; padding: 0 8px 0 10px;
    border-radius: 13px; overflow: hidden; background: rgba(214, 202, 255, .05); box-shadow: inset 0 0 0 1px var(--line-2);
    animation: sib-chip-in .45s var(--spring) both;
  }
  .sib-chip.is-out { animation: sib-chip-out .25s var(--ease) both; }
  .sib-chip__txt { display: grid; gap: 2px; min-width: 0; }
  .sib-chip__name { font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-chip__meta { font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; white-space: nowrap; }
  .sib-chip[data-state="ok"] .sib-chip__meta { color: var(--ok); }
  .sib-chip__x { width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; color: var(--ink-3); flex: none; }
  .sib-chip__x:hover { background: rgba(214, 202, 255, .08); color: var(--ink); }
  .sib-chip__x .sib-i { width: 14px; height: 14px; }
  .sib-chip__bar { position: absolute; left: 0; bottom: 0; height: 2px; width: var(--p, 0%); background: linear-gradient(90deg, var(--acc-3), var(--acc)); transition: width .15s linear, opacity .4s; }
  .sib-chip[data-state="ok"] .sib-chip__bar { opacity: 0; }

  /* menus */
  .sib-pop { position: relative; }
  .sib-menu {
    position: absolute; left: -2px; bottom: calc(100% + 10px); z-index: 60; width: 320px; padding: 6px;
    border-radius: 16px; background: #211c34;
    box-shadow: inset 0 0 0 1px var(--line-3), 0 24px 60px -18px rgba(0, 0, 0, .85);
    transform-origin: 20px 100%; animation: sib-menu-in .22s var(--ease);
  }
  .sib-menu[hidden] { display: none; }
  .sib-menu__label { padding: 9px 10px 6px; font: 600 10.5px/1.2 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
  .sib-menu__item {
    display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 11px; width: 100%;
    padding: 9px 10px; border-radius: 11px; transition: background .15s;
  }
  .sib-menu__item:hover, .sib-menu__item:focus-visible { background: rgba(214, 202, 255, .08); outline: none; }
  .sib-menu__item > .sib-i:first-child { width: 18px; height: 18px; color: var(--acc-2); margin: 0 6px; }
  .sib-menu__item span { display: grid; gap: 2px; min-width: 0; }
  .sib-menu__item strong { font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-menu__item em { font-style: normal; font-size: 11.5px; color: var(--ink-3); }
  .sib-menu__check { opacity: 0; color: var(--acc); width: 16px; height: 16px; stroke-width: 2; transition: opacity .15s; }
  .sib-menu__item[aria-checked="true"] .sib-menu__check { opacity: 1; }
  .sib-menu__item[aria-checked="true"] strong { color: var(--acc-2); }
  .sib-menu--model { width: 300px; }

  .sib-tobottom {
    position: absolute; left: 50%; bottom: calc(100% + 12px); z-index: 5; width: 36px; height: 36px; margin-left: -18px; border-radius: 50%;
    display: grid; place-items: center; color: var(--ink); background: var(--bg-3);
    box-shadow: inset 0 0 0 1px var(--line-3), 0 10px 26px -10px rgba(0, 0, 0, .9);
    animation: sib-pop .35s var(--spring);
  }
  .sib-tobottom[hidden] { display: none; }
  .sib-tobottom:hover { background: var(--bg-4); }
  .sib-tobottom .sib-i { width: 17px; height: 17px; }

  /* ================================================================ thread */
  .sib-thread { max-width: var(--col); margin: 0 auto; padding: 10px 0 30px; }
  .sib[data-mode="empty"] .sib-thread { display: none; }
  .sib-turn { display: grid; align-content: start; gap: 22px; padding: 18px 0 14px; }
  .sib-turn + .sib-turn { border-top: 1px solid transparent; }

  .sib-user-msg { display: grid; justify-items: end; gap: 8px; padding-left: 15%; animation: sib-rise .45s var(--ease) both; }
  .sib-bubble {
    max-width: 100%; padding: 11px 16px 12px; border-radius: 20px 20px 6px 20px;
    background: linear-gradient(180deg, #2a2343, #241e39); box-shadow: inset 0 0 0 1px rgba(214, 202, 255, .1);
    font-size: 15px; line-height: 1.5; color: var(--ink); white-space: pre-wrap; overflow-wrap: anywhere;
  }
  .sib-user-msg .sib-chip { animation: none; height: 40px; background: rgba(214, 202, 255, .04); }

  .sib-ai { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 0 16px; animation: sib-rise .45s var(--ease) both; }
  .sib-ai > .sib-orb { margin-top: 4px; }
  .sib-ai__body { min-width: 0; }

  /* retrieval trace */
  .sib-trace { margin-bottom: 14px; border-radius: 14px; background: rgba(214, 202, 255, .025); box-shadow: inset 0 0 0 1px var(--line); transition: background .3s; }
  .sib-trace__head { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 38px; padding: 8px 12px; border-radius: 14px; font-size: 13px; color: var(--ink-2); }
  .sib-trace__head:hover { color: var(--ink); }
  .sib-trace__state { display: grid; place-items: center; width: 18px; height: 18px; flex: none; }
  .sib-trace__state .sib-i { width: 15px; height: 15px; stroke-width: 2; color: var(--acc); }
  .sib-trace__label { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-align: left; }
  .sib-trace.is-live .sib-trace__label {
    background: linear-gradient(90deg, var(--ink-2) 0%, var(--ink-2) 40%, #fff 50%, var(--ink-2) 60%, var(--ink-2) 100%) 0 0 / 250% 100%;
    -webkit-background-clip: text; background-clip: text; color: transparent; animation: sib-shimmer 1.6s linear infinite;
  }
  .sib-trace__time { font: 500 11.5px/1 var(--mono); color: var(--ink-3); font-variant-numeric: tabular-nums; }
  .sib-trace__chev { color: var(--ink-3); transition: transform .3s var(--ease); }
  .sib-trace[data-open="true"] .sib-trace__chev { transform: rotate(180deg); }
  .sib-trace__fold { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease); }
  .sib-trace[data-open="true"] .sib-trace__fold { grid-template-rows: 1fr; }
  .sib-trace__fold > div { min-height: 0; overflow: hidden; }
  .sib-steps { padding: 2px 14px 14px 12px; }
  .sib-step { position: relative; display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 0 12px; padding-bottom: 12px; }
  .sib-step:last-child { padding-bottom: 0; }
  .sib-step::before { content: ""; position: absolute; left: 8.5px; top: 20px; bottom: 0; width: 1px; background: var(--line-2); }
  .sib-step:last-child::before { display: none; }
  .sib-step.is-done::before { background: linear-gradient(var(--acc-line), var(--line-2)); }
  .sib-step__node { position: relative; display: grid; place-items: center; width: 18px; height: 18px; margin-top: 1px; }
  .sib-step__node::before { content: ""; width: 7px; height: 7px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px var(--ink-3); transition: all .3s; }
  .sib-step.is-active .sib-step__node::before { width: 14px; height: 14px; border: 2px solid rgba(182, 156, 255, .2); border-top-color: var(--acc); box-shadow: none; animation: sib-spin .8s linear infinite; }
  .sib-step.is-done .sib-step__node::before { width: 8px; height: 8px; background: var(--acc); box-shadow: 0 0 0 3px rgba(182, 156, 255, .16); }
  .sib-step.is-fail .sib-step__node::before { background: var(--warn); box-shadow: 0 0 0 3px rgba(244, 199, 127, .16); }
  .sib-step__title { font-size: 13px; line-height: 20px; color: var(--ink-3); transition: color .3s; }
  .sib-step.is-active .sib-step__title, .sib-step.is-done .sib-step__title { color: var(--ink); }
  .sib-step__detail { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
  .sib-step__detail:empty { display: none; }
  .sib-q {
    display: inline-flex; align-items: center; gap: 7px; max-width: 100%; padding: 5px 10px 5px 8px; border-radius: 8px;
    background: rgba(12, 10, 20, .55); box-shadow: inset 0 0 0 1px var(--line-2); font: 500 12px/1.35 var(--mono); color: var(--acc-2);
  }
  .sib-q .sib-i { width: 14px; height: 14px; color: var(--ink-3); }
  .sib-q span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-scan {
    display: inline-flex; align-items: center; gap: 6px; max-width: 220px; height: 26px; padding: 0 9px 0 5px; border-radius: 8px;
    font-size: 12px; color: var(--ink-2); background: rgba(214, 202, 255, .03); box-shadow: inset 0 0 0 1px var(--line);
    transition: color .3s, background .3s, box-shadow .3s, opacity .4s; animation: sib-chip-in .4s var(--spring) both;
  }
  .sib-scan .sib-ft { min-width: 26px; height: 16px; font-size: 8.5px; }
  .sib-scan > span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-scan.is-scan { color: var(--ink); background: rgba(182, 156, 255, .1); box-shadow: inset 0 0 0 1px rgba(182, 156, 255, .35); }
  .sib-scan.is-miss { opacity: .42; }
  .sib-scan.is-hit { color: var(--ink); box-shadow: inset 0 0 0 1px var(--acc-line); }
  .sib-hitchip {
    display: inline-flex; align-items: center; gap: 7px; max-width: 100%; height: 28px; padding: 0 10px 0 4px; border-radius: 9px;
    font-size: 12px; color: var(--ink); background: rgba(182, 156, 255, .07); box-shadow: inset 0 0 0 1px rgba(182, 156, 255, .22);
    animation: sib-chip-in .45s var(--spring) both; transition: background .2s, box-shadow .2s;
  }
  .sib-hitchip:hover { background: rgba(182, 156, 255, .14); box-shadow: inset 0 0 0 1px var(--acc-line); }
  .sib-hitchip b { display: grid; place-items: center; min-width: 20px; height: 20px; border-radius: 6px; background: var(--acc); color: var(--acc-ink); font: 600 10.5px/1 var(--mono); }
  .sib-hitchip span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-hitchip em { font-style: normal; font: 500 11px/1 var(--mono); color: var(--acc-2); opacity: .85; }

  /* answer markdown */
  .sib-md { font: 400 17px/1.64 var(--serif); color: #e7e2f3; font-variation-settings: "opsz" 16; overflow-wrap: break-word; }
  .sib-md > * + * { margin-top: .72em; }
  .sib-md p { text-wrap: pretty; }
  .sib-md strong { font-weight: 600; color: #fff; }
  .sib-md em { font-style: italic; }
  .sib-md h3 {
    display: flex; align-items: center; gap: 10px; margin-top: 1.45em; margin-bottom: -.1em;
    font: 600 12px/1.3 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--acc-2);
  }
  .sib-md h3::before { content: ""; width: 14px; height: 1.5px; border-radius: 2px; background: var(--acc); flex: none; }
  .sib-md > h3:first-child { margin-top: .2em; }
  .sib-md ul > li, .sib-md ol > li { position: relative; padding-left: 28px; }
  .sib-md li + li { margin-top: .42em; }
  .sib-md ul > li::before { content: ""; position: absolute; left: 9px; top: .72em; width: 6px; height: 6px; border-radius: 1.5px; background: var(--acc); transform: rotate(45deg); opacity: .85; }
  .sib-md ol { counter-reset: sib-ol; }
  .sib-md ol > li { counter-increment: sib-ol; padding-left: 34px; }
  .sib-md ol > li::before {
    content: counter(sib-ol, decimal-leading-zero); position: absolute; left: 0; top: .28em;
    font: 600 11.5px/1.6 var(--mono); color: var(--acc); letter-spacing: .02em;
  }
  .sib-md code { padding: .08em .38em; border-radius: 6px; background: rgba(182, 156, 255, .12); color: var(--acc-2); font: 500 .8em/1 var(--mono); white-space: nowrap; }
  .sib-md blockquote { margin-left: 0; margin-right: 0; padding: 4px 0 4px 18px; border-left: 2px solid var(--acc); color: var(--ink-2); font-style: italic; }
  .sib-tk { animation: sib-tk .42s ease-out both; }
  @keyframes sib-tk { from { opacity: 0; } to { opacity: 1; } }
  .sib-caret {
    display: inline-block; width: .5em; height: 1.05em; margin-left: 2px; vertical-align: -.16em; border-radius: 2px;
    background: var(--acc); box-shadow: 0 0 14px rgba(182, 156, 255, .8); animation: sib-blink 1s steps(1) infinite;
  }
  .sib-caret.is-moving { animation: none; }

  /* table */
  .sib-table { margin-top: 1em; border-radius: 14px; overflow: hidden; overflow-x: auto; box-shadow: inset 0 0 0 1px var(--line-2); background: rgba(12, 10, 20, .4); scrollbar-width: thin; }
  .sib-table table { width: 100%; border-collapse: collapse; font: 400 13.5px/1.4 var(--sans); font-variant-numeric: tabular-nums; }
  .sib-table th { padding: 10px 14px; text-align: left; white-space: nowrap; font: 600 10.5px/1.2 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); background: rgba(214, 202, 255, .035); border-bottom: 1px solid var(--line-2); }
  .sib-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); color: var(--ink); vertical-align: top; }
  .sib-table tr:last-child td { border-bottom: 0; }
  .sib-table tbody tr { transition: background .15s; }
  .sib-table tbody tr:hover { background: rgba(214, 202, 255, .035); }
  .sib-table tbody tr.is-in { animation: sib-row .35s var(--ease) both; }
  .sib-table .is-r { text-align: right; white-space: nowrap; }
  .sib-table td:first-child { font-family: var(--mono); font-size: 12.5px; color: var(--acc-2); white-space: nowrap; }
  .sib-table.is-plain td:first-child { font-family: var(--sans); font-size: 13.5px; font-weight: 600; color: var(--ink); white-space: normal; }
  .sib-table .is-up { color: var(--ok); }
  .sib-table td strong { color: #fff; }

  /* code */
  .sib-code { margin-top: 1em; border-radius: 14px; overflow: hidden; background: #0b0910; box-shadow: inset 0 0 0 1px var(--line-2); }
  .sib-code__bar { display: flex; align-items: center; justify-content: space-between; height: 38px; padding: 0 6px 0 14px; border-bottom: 1px solid var(--line); font: 500 11.5px/1 var(--mono); color: var(--ink-3); }
  .sib-code__copy { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 9px; border-radius: 8px; font: 600 11.5px/1 var(--sans); color: var(--ink-2); transition: background .15s, color .15s; }
  .sib-code__copy:hover { background: rgba(214, 202, 255, .08); color: var(--ink); }
  .sib-code__copy .sib-i { width: 15px; height: 15px; }
  .sib-code__copy.is-done { color: var(--ok); }
  .sib-code pre { margin: 0; padding: 16px 18px 18px; overflow-x: auto; font: 500 13.5px/1.6 var(--mono); color: var(--ink); scrollbar-width: thin; }
  .sib-code code { padding: 0; background: none; color: inherit; font: inherit; white-space: pre; }
  .tok-fn { color: #c9b6ff; }
  .tok-ref { color: #8fe6c2; }
  .tok-num { color: #f4c77f; }
  .tok-op { color: #8f87a9; }
  .tok-str { color: #ffab9c; }

  /* inline citation */
  .sib-cite {
    position: relative; display: inline-grid; place-items: center; min-width: 19px; height: 19px; padding: 0 4px; margin: 0 1px 0 3px;
    vertical-align: .32em; border-radius: 6px;
    font: 600 10.5px/1 var(--mono); color: var(--acc-2); background: rgba(182, 156, 255, .13); box-shadow: inset 0 0 0 1px rgba(182, 156, 255, .3);
    transition: background .18s, color .18s, transform .18s var(--ease), box-shadow .18s;
  }
  .sib-cite + .sib-cite { margin-left: 1px; }
  .sib-cite:hover, .sib-cite.is-on { background: var(--acc); color: var(--acc-ink); box-shadow: 0 0 0 3px rgba(182, 156, 255, .18); }
  .sib-cite:active { transform: scale(.9); }
  .sib-cite.is-pop { animation: sib-pop .5s var(--spring) both; }

  /* sources row */
  .sib-sources { margin-top: 20px; }
  .sib-sources__title { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
  .sib-sources__list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; }
  .sib-srccard {
    position: relative; display: grid; gap: 8px; width: 100%; padding: 11px 12px 12px; border-radius: 13px; text-align: left;
    background: rgba(24, 20, 42, .7); box-shadow: inset 0 0 0 1px var(--line-2);
    transition: box-shadow .2s, transform .25s var(--ease), background .2s; animation: sib-rise .5s calc(var(--i, 0) * .07s) var(--ease) both;
  }
  .sib-srccard:hover { box-shadow: inset 0 0 0 1px var(--acc-line); transform: translateY(-2px); background: rgba(32, 27, 51, .8); }
  .sib-srccard.is-on { box-shadow: inset 0 0 0 1.5px var(--acc); background: rgba(182, 156, 255, .08); }
  .sib-srccard__top { display: flex; align-items: center; gap: 7px; }
  .sib-srccard__n { display: grid; place-items: center; min-width: 20px; height: 20px; border-radius: 6px; background: var(--acc-soft); color: var(--acc-2); font: 600 10.5px/1 var(--mono); }
  .sib-srccard.is-on .sib-srccard__n { background: var(--acc); color: var(--acc-ink); }
  .sib-srccard__rel { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font: 500 10.5px/1 var(--mono); color: var(--ink-3); }
  .sib-srccard__rel i { position: relative; width: 28px; height: 3px; border-radius: 3px; background: rgba(214, 202, 255, .1); overflow: hidden; }
  .sib-srccard__rel i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--r); border-radius: inherit; background: var(--acc); }
  .sib-srccard__name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-srccard__loc { margin-top: -5px; font-size: 12px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* actions */
  .sib-actions { display: flex; align-items: center; gap: 2px; margin-top: 14px; margin-left: -7px; animation: sib-fade .5s .1s var(--ease) both; }
  .sib-actions .sib-ibtn { width: 32px; height: 32px; color: var(--ink-3); }
  .sib-actions .sib-ibtn .sib-i { width: 17px; height: 17px; }
  .sib-actions .sib-ibtn:hover { color: var(--ink); }
  .sib-actions .sib-ibtn[aria-pressed="true"] { color: var(--acc); }
  .sib-actions .sib-ibtn[aria-pressed="true"] .sib-i { fill: rgba(182, 156, 255, .22); }
  .sib-actions .sib-ibtn.is-done { color: var(--ok); }
  .sib-actions .sib-ibtn.is-pop .sib-i { animation: sib-pop .5s var(--spring); }
  .sib-ver { display: inline-flex; align-items: center; gap: 0; margin-left: 4px; font: 500 11.5px/1 var(--mono); color: var(--ink-3); font-variant-numeric: tabular-nums; }
  .sib-ver[hidden] { display: none; }
  .sib-ver .sib-ibtn { width: 26px; height: 26px; }
  .sib-ver .sib-ibtn .sib-i { width: 15px; height: 15px; }
  .sib-meta { margin-left: auto; font: 500 11.5px/1 var(--mono); color: var(--ink-3); white-space: nowrap; font-variant-numeric: tabular-nums; }
  .sib-stopped { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; padding: 6px 10px; border-radius: 9px; font-size: 12.5px; color: var(--warn); background: rgba(244, 199, 127, .08); box-shadow: inset 0 0 0 1px rgba(244, 199, 127, .2); }
  .sib-stopped .sib-i { width: 15px; height: 15px; }

  .sib-fb { margin-top: 10px; padding: 14px; border-radius: 14px; background: rgba(214, 202, 255, .03); box-shadow: inset 0 0 0 1px var(--line-2); animation: sib-rise .35s var(--ease) both; }
  .sib-fb p { font-size: 13px; color: var(--ink-2); margin-bottom: 10px; }
  .sib-fb__opts { display: flex; flex-wrap: wrap; gap: 6px; }
  .sib-fb__opt { height: 30px; padding: 0 12px; border-radius: 999px; font-size: 12.5px; color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--line-3); transition: all .15s; }
  .sib-fb__opt:hover { color: var(--ink); }
  .sib-fb__opt[aria-pressed="true"] { color: var(--acc-ink); background: var(--acc); box-shadow: none; }
  .sib-fb__row { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
  .sib-fb__row .sib-btn { height: 32px; font-size: 12.5px; }

  .sib-follow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; animation: sib-fade .5s .2s var(--ease) both; }
  .sib-follow__btn {
    display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 6px 13px 6px 11px; border-radius: 12px; text-align: left;
    font-size: 13px; color: var(--ink-2); background: rgba(214, 202, 255, .03); box-shadow: inset 0 0 0 1px var(--line-2);
    transition: color .18s, background .18s, box-shadow .18s, transform .18s var(--ease);
  }
  .sib-follow__btn .sib-i { width: 15px; height: 15px; color: var(--acc); transition: transform .25s var(--ease); }
  .sib-follow__btn:hover { color: var(--ink); background: rgba(182, 156, 255, .07); box-shadow: inset 0 0 0 1px var(--acc-line); }
  .sib-follow__btn:hover .sib-i { transform: translateX(2px); }
  .sib-follow__btn:active { transform: scale(.98); }
  .sib-follow__btn:disabled { opacity: .4; pointer-events: none; }

  /* ================================================================ source panel */
  .sib-src { grid-column: 3; grid-row: 1; position: relative; min-width: 0; overflow: hidden; z-index: 40; }
  .sib-src__panel {
    position: absolute; top: 0; right: 0; bottom: 0; width: var(--src-w);
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, #15121f, #120f1b); border-left: 1px solid var(--line-2);
  }
  .sib-src__grab { display: none; }
  .sib-src__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; height: 56px; padding: 0 12px 0 14px; border-bottom: 1px solid var(--line); flex: none; }
  .sib-src__nav { display: flex; align-items: center; gap: 4px; }
  .sib-src__count { min-width: 92px; text-align: center; font: 500 12px/1 var(--mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
  .sib-src__count b { color: var(--ink); font-weight: 600; }
  .sib-src__body { flex: 1; min-height: 0; overflow-y: auto; padding: 18px 18px 22px; scrollbar-width: thin; scrollbar-color: rgba(206, 192, 255, .16) transparent; overscroll-behavior: contain; }
  .sib-src__body.is-swap > * { animation: sib-rise .4s var(--ease) both; }
  .sib-src__body.is-swap > :nth-child(2) { animation-delay: .04s; }
  .sib-src__body.is-swap > :nth-child(3) { animation-delay: .08s; }
  .sib-src__doc { display: flex; align-items: flex-start; gap: 12px; }
  .sib-src__ft .sib-ft { min-width: 38px; height: 46px; border-radius: 9px; font-size: 10.5px; align-content: end; padding-bottom: 8px; position: relative; }
  .sib-src__ft .sib-ft::before { content: ""; position: absolute; top: 0; right: 0; width: 11px; height: 11px; border-bottom-left-radius: 4px; background: color-mix(in srgb, var(--c) 30%, transparent); }
  .sib-src__id { min-width: 0; padding-top: 2px; }
  .sib-src__name { font: 600 16px/1.3 var(--sans); letter-spacing: -.01em; overflow-wrap: anywhere; }
  .sib-src__loc { margin-top: 4px; font-size: 13px; color: var(--ink-2); }
  .sib-src__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 16px 0 18px; }
  .sib-stat { padding: 10px 11px; border-radius: 12px; background: rgba(214, 202, 255, .03); box-shadow: inset 0 0 0 1px var(--line); min-width: 0; }
  .sib-stat dt { font: 600 10px/1.2 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
  .sib-stat dd { margin: 6px 0 0; font: 500 13px/1.2 var(--sans); color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
  .sib-stat__bar { display: block; height: 3px; margin-top: 7px; border-radius: 3px; background: rgba(214, 202, 255, .1); overflow: hidden; }
  .sib-stat__bar i { display: block; height: 100%; width: var(--r); border-radius: inherit; background: linear-gradient(90deg, var(--acc-3), var(--acc)); animation: sib-grow .9s .15s var(--ease) both; transform-origin: left; }
  .sib-src__foot { display: flex; gap: 8px; padding: 12px 14px calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); flex: none; }
  .sib-src__foot .sib-btn { flex: 1; }
  .sib-src__foot[hidden] { display: none; }

  /* viewer: paper page (pdf/docx) */
  .sib-page {
    position: relative; padding: 26px 26px 30px; border-radius: 6px;
    background: #f5f2fb; color: #2a2340;
    box-shadow: 0 1px 0 rgba(255, 255, 255, .6) inset, 0 30px 60px -30px rgba(0, 0, 0, .9), 0 0 0 1px rgba(0, 0, 0, .3);
    font: 400 14px/1.62 var(--serif); font-variation-settings: "opsz" 12;
  }
  .sib-page::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: -6px; height: 6px; border-radius: 0 0 6px 6px; background: #d9d3e6; opacity: .25; }
  .sib-page__hd { display: flex; justify-content: space-between; gap: 10px; padding-bottom: 10px; margin-bottom: 18px; border-bottom: 1px solid rgba(42, 35, 64, .12); font: 600 9.5px/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: #8a829d; }
  .sib-page h4 { margin: 18px 0 8px; font: 700 12.5px/1.3 var(--sans); color: #1c1630; letter-spacing: .01em; }
  .sib-page__hd + h4 { margin-top: 0; }
  .sib-page p + p { margin-top: 9px; }
  .sib-page p.is-ctx { color: #6e6684; }
  .sib-page[data-kind="docx"] { font-family: var(--sans); font-size: 13px; line-height: 1.6; }
  .sib-page[data-kind="docx"] h4 { text-align: center; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px; }
  .sib-page__ft { margin-top: 22px; text-align: center; font: 500 10px/1 var(--mono); color: #a39cb5; }
  .sib-hl {
    color: #1b1530; padding: 1px 2px; margin: 0 -2px; border-radius: 3px;
    background: linear-gradient(transparent 6%, rgba(165, 135, 255, .42) 6%, rgba(165, 135, 255, .42) 94%, transparent 94%) no-repeat 0 0 / 0% 100%;
    -webkit-box-decoration-break: clone; box-decoration-break: clone;
    animation: sib-mark 1.1s .25s cubic-bezier(.6, 0, .2, 1) forwards;
  }
  @keyframes sib-mark { to { background-size: 100% 100%; } }

  /* viewer: spreadsheet */
  .sib-sheet { border-radius: 10px; overflow: hidden; background: #f5f2fb; color: #2a2340; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .9), 0 0 0 1px rgba(0, 0, 0, .3); }
  .sib-sheet__fx { display: flex; align-items: center; gap: 10px; height: 34px; padding: 0 10px; border-bottom: 1px solid #ddd6ea; font: 500 11.5px/1 var(--mono); color: #6e6684; }
  .sib-sheet__fx b { padding: 3px 6px; border-radius: 4px; background: #e8e2f4; color: #2a2340; font-weight: 600; }
  .sib-sheet__grid { overflow-x: auto; scrollbar-width: thin; }
  .sib-sheet table { width: 100%; border-collapse: collapse; font: 400 11.5px/1.35 var(--sans); font-variant-numeric: tabular-nums; }
  .sib-sheet th, .sib-sheet td { padding: 7px 8px; border-right: 1px solid #e3ddee; border-bottom: 1px solid #e3ddee; white-space: nowrap; }
  .sib-sheet thead th { background: #ebe6f5; color: #8a829d; font: 600 10px/1 var(--mono); text-align: center; }
  .sib-sheet tbody th { width: 34px; background: #ebe6f5; color: #8a829d; font: 500 10px/1 var(--mono); text-align: center; }
  .sib-sheet td.is-r { text-align: right; }
  .sib-sheet tr.is-head td { font-weight: 700; color: #1c1630; background: #f0ecf8; }
  .sib-sheet tr.is-hit td { background: rgba(165, 135, 255, .2); color: #1b1530; }
  .sib-sheet tr.is-hit th { background: #b69cff; color: #170f2e; }
  .sib-sheet tr.is-hit:first-of-type td, .sib-sheet tr.is-hit + tr:not(.is-hit) td { }
  .sib-sheet tbody tr.is-hit { animation: sib-rowhl 1s .2s var(--ease) both; }
  .sib-sheet__tabs { display: flex; gap: 2px; padding: 0 8px; background: #ebe6f5; border-top: 1px solid #ddd6ea; font: 500 11px/1 var(--sans); color: #6e6684; overflow-x: auto; }
  .sib-sheet__tabs span { padding: 9px 11px; white-space: nowrap; }
  .sib-sheet__tabs span.is-on { background: #f5f2fb; color: #1c1630; font-weight: 600; box-shadow: inset 0 2px 0 #8d6cf2; }

  /* viewer: markdown source */
  .sib-mdv { border-radius: 10px; overflow: hidden; background: #0b0910; box-shadow: inset 0 0 0 1px var(--line-2), 0 30px 60px -30px rgba(0, 0, 0, .9); }
  .sib-mdv__bar { display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 12px; border-bottom: 1px solid var(--line); font: 500 11.5px/1 var(--mono); color: var(--ink-3); }
  .sib-mdv__bar i { width: 8px; height: 8px; border-radius: 50%; background: rgba(214, 202, 255, .14); }
  .sib-mdv ol { counter-reset: ln; padding: 10px 0 14px; font: 400 12.5px/1.75 var(--mono); }
  .sib-mdv li { counter-increment: ln; position: relative; display: block; padding: 0 14px 0 48px; color: var(--ink-2); white-space: pre-wrap; overflow-wrap: anywhere; }
  .sib-mdv li::before { content: counter(ln); position: absolute; left: 0; width: 34px; text-align: right; color: rgba(143, 135, 169, .5); }
  .sib-mdv li.is-hit { background: rgba(182, 156, 255, .12); color: var(--ink); box-shadow: inset 2px 0 0 var(--acc); animation: sib-fade .6s .2s both; }
  .sib-mdv .md-h { color: var(--acc-2); font-weight: 600; }
  .sib-mdv .md-b { color: #fff; font-weight: 600; }
  .sib-mdv .md-m { color: var(--acc); }
  .sib-mdv .md-i { color: #f4c77f; font-style: italic; }

  /* doc mode */
  .sib-passages { display: grid; gap: 8px; }
  .sib-passages h3 { margin: 4px 0 4px; }
  .sib-passage { display: grid; gap: 4px; padding: 12px 13px; border-radius: 12px; text-align: left; background: rgba(214, 202, 255, .03); box-shadow: inset 0 0 0 1px var(--line); transition: background .18s, box-shadow .18s; }
  .sib-passage:hover { background: rgba(182, 156, 255, .07); box-shadow: inset 0 0 0 1px var(--acc-line); }
  .sib-passage strong { font-size: 12.5px; font-weight: 600; color: var(--acc-2); }
  .sib-passage span { font: 400 14px/1.5 var(--serif); color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .sib-empty-note { padding: 18px; border-radius: 12px; text-align: center; font-size: 13px; color: var(--ink-3); box-shadow: inset 0 0 0 1px var(--line); }
  .sib-back { display: inline-flex; align-items: center; gap: 4px; margin: -4px 0 14px -6px; height: 28px; padding: 0 8px 0 4px; border-radius: 8px; font-size: 12.5px; color: var(--ink-2); }
  .sib-back:hover { background: rgba(214, 202, 255, .06); color: var(--ink); }
  .sib-back .sib-i { width: 16px; height: 16px; }

  /* ================================================================ overlays */
  .sib-scrim { position: absolute; inset: 0; z-index: 35; background: rgba(6, 5, 10, .6); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); animation: sib-fade .3s both; }
  .sib-scrim[hidden] { display: none; }
  .sib-hover {
    position: absolute; z-index: 80; width: 300px; padding: 12px 13px 13px; border-radius: 14px; pointer-events: none;
    background: #201b33; box-shadow: inset 0 0 0 1px var(--line-3), 0 22px 50px -16px rgba(0, 0, 0, .9);
    animation: sib-hover-in .18s var(--ease);
  }
  .sib-hover[hidden] { display: none; }
  .sib-hover__top { display: flex; align-items: center; gap: 8px; min-width: 0; }
  .sib-hover__top strong { font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sib-hover__loc { margin-top: 3px; font-size: 11.5px; color: var(--ink-3); }
  .sib-hover__snip { margin-top: 8px; font: 400 13.5px/1.5 var(--serif); color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .sib-hover__snip mark { background: rgba(182, 156, 255, .2); color: var(--ink); border-radius: 3px; padding: 0 2px; }
  .sib-hover__cta { margin-top: 8px; font: 600 11px/1 var(--sans); color: var(--acc); letter-spacing: .02em; }

  .sib-toasts { position: absolute; top: 64px; left: 50%; z-index: 90; display: grid; justify-items: center; gap: 8px; transform: translateX(-50%); pointer-events: none; width: max-content; max-width: calc(100% - 32px); }
  .sib-toast {
    display: inline-flex; align-items: center; gap: 9px; padding: 9px 14px 9px 11px; border-radius: 12px;
    background: #f1edfb; color: #1b1530; font-size: 13px; font-weight: 600;
    box-shadow: 0 16px 40px -14px rgba(0, 0, 0, .8); animation: sib-toast-in .4s var(--spring) both;
  }
  .sib-toast .sib-i { width: 16px; height: 16px; stroke-width: 2; color: #6243d2; }
  .sib-toast.is-out { animation: sib-toast-out .3s var(--ease) both; }

  /* ================================================================ view transitions */
  ::view-transition-group(sib-composer) { animation-duration: .55s; animation-timing-function: cubic-bezier(.2, .8, .2, 1); }
  ::view-transition-old(sib-composer), ::view-transition-new(sib-composer) { height: 100%; object-fit: none; object-position: top; }
  ::view-transition-old(root) { animation: sib-vt-out .3s ease both; }
  ::view-transition-new(root) { animation: sib-vt-in .4s .08s ease both; }
  @keyframes sib-vt-out { to { opacity: 0; } }
  @keyframes sib-vt-in { from { opacity: 0; } }

  /* ================================================================ keyframes */
  @keyframes sib-rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
  @keyframes sib-fade { from { opacity: 0; } to { opacity: 1; } }
  @keyframes sib-pop { 0% { transform: scale(.4); opacity: 0; } 100% { transform: none; opacity: 1; } }
  @keyframes sib-blink { 50% { opacity: 0; } }
  @keyframes sib-shimmer { to { background-position: -250% 0; } }
  @keyframes sib-chip-in { from { opacity: 0; transform: scale(.85) translateY(4px); } to { opacity: 1; transform: none; } }
  @keyframes sib-chip-out { to { opacity: 0; transform: scale(.85); } }
  @keyframes sib-menu-in { from { opacity: 0; transform: translateY(6px) scale(.97); } to { opacity: 1; transform: none; } }
  @keyframes sib-hover-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
  @keyframes sib-toast-in { from { opacity: 0; transform: translateY(-10px) scale(.95); } to { opacity: 1; transform: none; } }
  @keyframes sib-toast-out { to { opacity: 0; transform: translateY(-8px) scale(.97); } }
  @keyframes sib-row { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: none; } }
  @keyframes sib-rowhl { from { opacity: .3; } to { opacity: 1; } }
  @keyframes sib-grow { from { transform: scaleX(0); } }
  @keyframes sib-swap { 0% { opacity: 0; transform: translateY(6px); } 100% { opacity: 1; transform: none; } }
  @keyframes sib-shake { 20%, 60% { transform: translateX(-5px); } 40%, 80% { transform: translateX(5px); } }

  /* ================================================================ responsive */
  @media (max-width: 1279px) {
    .sib { --side-w: 264px; }
    .sib, .sib.is-src { grid-template-columns: var(--side-w) minmax(0, 1fr) 0px; }
    /* absolutely positioned grid children use their grid area as containing block: span the whole grid */
    .sib-src { position: absolute; grid-column: 1 / -1; grid-row: 1; top: 0; right: 0; bottom: 0; left: auto; width: min(var(--src-w), 100%); overflow: hidden; pointer-events: none; }
    .sib-src__panel { width: 100%; transform: translateX(104%); visibility: hidden; pointer-events: auto; transition: transform .5s var(--ease), box-shadow .5s, visibility 0s .5s; }
    .sib.is-src .sib-src__panel { transform: none; visibility: visible; box-shadow: -30px 0 80px -20px rgba(0, 0, 0, .8); transition: transform .5s var(--ease), box-shadow .5s, visibility 0s; }
  }
  @media (max-width: 1080px) {
    .sib-top__kb { display: none; }
    .sib-hint { display: none; }
  }
  @media (max-width: 900px) {
    .sib, .sib.is-src { grid-template-columns: 0px minmax(0, 1fr) 0px; }
    .sib-side {
      position: absolute; grid-column: 1 / -1; grid-row: 1; top: 0; left: 0; bottom: 0; width: min(310px, 86%); z-index: 45;
      transform: translateX(-102%); visibility: hidden;
      transition: transform .45s var(--ease), visibility 0s .45s; box-shadow: 30px 0 80px -20px rgba(0, 0, 0, .8);
    }
    .sib[data-side="open"] .sib-side { transform: none; visibility: visible; transition: transform .45s var(--ease), visibility 0s; }
    .sib-side__close { display: inline-grid; }
    .sib-top__menu, .sib-top__new { display: inline-grid; }
    .sib-top { padding: 0 8px; gap: 4px; height: 52px; }
    .sib-top__title { text-align: center; padding: 0 4px; }
    .sib-pill span { display: none; }
    .sib-pill:disabled { display: none; }
  }
  @media (max-width: 640px) {
    .sib { --col: 100%; font-size: 14px; }
    .sib-main { grid-template-rows: auto minmax(0, 1fr) auto auto; grid-template-areas: "top" "scroll" "below" "dock"; }
    .sib[data-mode="chat"] .sib-main { grid-template-rows: auto minmax(0, 1fr) 0 auto; }
    .sib-scroll { padding: 0 16px; }
    .sib-empty { padding-bottom: 18px; align-items: flex-start; text-align: left; }
    .sib-empty .sib-orb { margin-bottom: 18px; --s: 44px; }
    .sib-hello { font-size: 36px; }
    .sib-sub { font-size: 14.5px; margin-top: 10px; text-wrap: pretty; }
    .sib-below { padding: 0 16px 14px; }
    .sib-below__title { margin-bottom: 10px; }
    .sib-prompts { grid-template-columns: 1fr; gap: 8px; }
    .sib-prompt { min-height: 0; padding: 12px 40px 12px 14px; gap: 7px; border-radius: 14px; }
    .sib-prompt__q { font-size: 14px; }
    .sib-prompt__go { top: 50%; margin-top: -9px; }
    .sib-dock { padding: 0 10px calc(10px + env(safe-area-inset-bottom)); }
    .sib-composer { border-radius: 20px; }
    .sib-input { padding: 14px 16px 4px; min-height: 50px; }
    .sib-scope { display: none; }
    .sib-disc { margin-top: 7px; font-size: 10.5px; }
    .sib-menu { width: min(320px, calc(100vw - 40px)); }
    .sib-thread { padding-top: 4px; }
    .sib-turn { gap: 16px; padding: 14px 0 10px; }
    .sib-user-msg { padding-left: 12%; }
    .sib-bubble { font-size: 15px; }
    .sib-ai { grid-template-columns: minmax(0, 1fr); }
    .sib-ai > .sib-orb { display: none; }
    .sib-md { font-size: 16.5px; line-height: 1.6; }
    .sib-trace__time { display: none; }
    .sib-sources__list { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 16px; margin: 0 -16px; padding: 0 16px 4px; scrollbar-width: none; }
    .sib-sources__list > * { flex: 0 0 72%; scroll-snap-align: start; }
    .sib-meta { display: none; }
    .sib-table { margin-left: -16px; margin-right: -16px; border-radius: 0; box-shadow: inset 0 1px 0 var(--line-2), inset 0 -1px 0 var(--line-2); }
    .sib-table table { font-size: 13px; }
    .sib-table th, .sib-table td { padding: 9px 7px; }
    .sib-table th { font-size: 9.5px; letter-spacing: .08em; }
    .sib-table th:first-child, .sib-table td:first-child { padding-left: 16px; }
    .sib-table th:last-child, .sib-table td:last-child { padding-right: 16px; }
    .sib-table td:first-child { font-size: 11.5px; }

    .sib-src { inset: 0; width: auto; }
    .sib-src__panel {
      top: auto; left: 0; width: auto; height: 88%; border-left: 0; border-radius: 22px 22px 0 0;
      transform: translateY(102%); box-shadow: 0 -30px 80px -20px rgba(0, 0, 0, .8);
      border-top: 1px solid var(--line-2);
    }
    .sib.is-src .sib-src__panel { transform: translateY(var(--drag, 0px)); }
    .sib-src__panel.is-drag { transition: none !important; }
    .sib-src__grab { display: grid; place-items: center; height: 22px; flex: none; cursor: grab; touch-action: none; }
    .sib-src__grab i { width: 40px; height: 4px; border-radius: 4px; background: rgba(214, 202, 255, .25); }
    .sib-src__head { height: 46px; touch-action: none; }
    .sib-src__body { padding: 14px 14px 18px; }
    .sib-src__stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
    .sib-page { padding: 20px 18px 24px; font-size: 13.5px; }
    .sib-toasts { top: 58px; }
  }
  @media (max-width: 380px) {
    .sib-hello { font-size: 32px; }
    .sib-model__name { display: none; }
  }

  @media (prefers-reduced-motion: reduce) {
    .sib, .sib *, .sib *::before, .sib *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .sib-ring, .sib-step.is-active .sib-step__node::before { animation: sib-spin 1.6s linear infinite !important; }
    .sib-hl { background-size: 100% 100%; }
  }
}