/* Register Maker - AllInOneTools Invoice Kit. GPL-2.0-or-later. */
/* Body text uses the device's own font (nothing to download, nothing to swap). Headings use Source Serif 4 with
   metric-matched fallbacks, so they keep the same width before and after the web font arrives (no layout shift):
   Georgia (Windows/Mac), Times/Liberation (Linux), Noto Serif (Android), DejaVu Serif (Linux). */
@font-face { font-family: "AIT Serif FB"; src: local("Georgia"); size-adjust: 107.45%; ascent-override: 96.42%; descent-override: 31.18%; line-gap-override: 0%; }
@font-face { font-family: "AIT Serif FB Times"; src: local("Times New Roman"), local("TimesNewRomanPSMT"), local("Liberation Serif"), local("Tinos"); size-adjust: 117.91%; ascent-override: 87.86%; descent-override: 28.41%; line-gap-override: 0%; }
@font-face { font-family: "AIT Serif FB Noto"; src: local("Noto Serif"), local("NotoSerif"); size-adjust: 99.58%; ascent-override: 104.04%; descent-override: 33.64%; line-gap-override: 0%; }
@font-face { font-family: "AIT Serif FB DejaVu"; src: local("DejaVu Serif"), local("DejaVuSerif"); size-adjust: 86.03%; ascent-override: 120.42%; descent-override: 38.94%; line-gap-override: 0%; }
/* =====================================================================
   AllInOneTools · Invoice & business documents · "Office Desk" design (ait-dc-*)
   Office look: cool grey canvas, white paper, one document-blue accent. Light + dark.
   ===================================================================== */
.ait-dc {
  --bg: #f4f5f7; --surface: #ffffff; --surface-2: #f3f4f6; --surface-3: #e6e9ee;
  --ink: #1d232b; --ink-2: #4a5361; --ink-3: #5c6573;
  --line: #e1e5eb; --line-2: #c3c9d2;
  --accent: #2b579a; --accent-ink: #1f4479; --accent-soft: #e7eef8; --on-accent: #ffffff;
  --good: #15803d; --good-soft: #dcfce7; --warn: #854d0e; --warn-soft: #fef3c7; --bad: #b91c1c; --bad-soft: #fee2e2;
  --focus: #2b579a; --shadow: 0 1px 2px rgba(20,30,45,.05), 0 8px 24px -12px rgba(20,30,45,.18);
  --hero: #e9edf3; --rule: rgba(43,87,154,.07); --glow: rgba(43,87,154,.10);
  --canvas: #e3e6eb;
  --serif: "Source Serif 4", "AIT Serif FB", "AIT Serif FB Times", "AIT Serif FB Noto", "AIT Serif FB DejaVu", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;   /* no "Roboto" name: a theme web font called Roboto would be used instead and shift the page */
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --r: 12px; --r-l: 20px; --ease: cubic-bezier(.4, 0, .2, 1);
  background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-align: left; overflow-x: clip; width: 100%;
}
.ait-dc[data-ait-theme="dark"] {
  --bg: #111418; --surface: #1a1e24; --surface-2: #20252c; --surface-3: #2a3038;
  --ink: #eef1f5; --ink-2: #b3bbc7; --ink-3: #9aa3b0;
  --line: #2c323b; --line-2: #464e5a;
  --accent: #7aa7ec; --accent-ink: #a9c6f5; --accent-soft: rgba(122,167,236,.15); --on-accent: #0b1527;
  --good: #4ade80; --good-soft: rgba(74,222,128,.12); --warn: #facc15; --warn-soft: rgba(250,204,21,.12); --bad: #f87171; --bad-soft: rgba(248,113,113,.12);
  --focus: #a9c6f5; --shadow: 0 1px 2px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.02), 0 14px 36px -18px rgba(0,0,0,.75);
  --hero: #161a20; --rule: rgba(255,255,255,.035); --glow: rgba(122,167,236,.10);
  --canvas: #0b0d10;
}
@media (prefers-color-scheme: dark) {
  .ait-dc[data-ait-theme="system"] {
    --bg: #111418; --surface: #1a1e24; --surface-2: #20252c; --surface-3: #2a3038;
    --ink: #eef1f5; --ink-2: #b3bbc7; --ink-3: #9aa3b0;
    --line: #2c323b; --line-2: #464e5a;
    --accent: #7aa7ec; --accent-ink: #a9c6f5; --accent-soft: rgba(122,167,236,.15); --on-accent: #0b1527;
    --good: #4ade80; --good-soft: rgba(74,222,128,.12); --warn: #facc15; --warn-soft: rgba(250,204,21,.12); --bad: #f87171; --bad-soft: rgba(248,113,113,.12);
    --focus: #a9c6f5; --shadow: 0 1px 2px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.02), 0 14px 36px -18px rgba(0,0,0,.75);
    --hero: #161a20; --rule: rgba(255,255,255,.035); --glow: rgba(122,167,236,.10);
    --canvas: #0b0d10;
  }
}
.ait-dc *, .ait-dc *::before, .ait-dc *::after { box-sizing: border-box; }
.ait-dc [hidden] { display: none !important; }
.ait-dc :is(h1, h2, h3, h4, p, ul, ol, dl, dd, figure, table, blockquote, summary) { margin: 0; }
.ait-dc :is(h1, h2, h3, h4) { padding: 0; border: 0; background: none; font-family: var(--serif); color: var(--ink); line-height: 1.2; letter-spacing: -.01em; font-weight: 700; text-transform: none; }
.ait-dc :is(p, li, dd, td, th, label, summary, span, small, q) { font-family: inherit; }
.ait-dc a { color: var(--accent-ink); text-underline-offset: 3px; }
.ait-dc[data-ait-theme="light"] a, .ait-dc a { text-decoration-thickness: 1px; }
.ait-dc :focus-visible { outline: 2.5px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.ait-dc .ait-dc-sr { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.ait-dc .ait-dc-wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
.ait-dc .ait-dc-small { font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.ait-dc .ait-dc-mono { font-family: var(--mono); font-size: 13.5px; }

/* ---------- Buttons and fields (scoped hard so WordPress themes can't restyle them) ---------- */
.ait-dc.ait-dc button, .ait-dc.ait-dc .ait-dc-btn { -webkit-appearance: none; appearance: none; font-family: var(--sans); text-transform: none; letter-spacing: 0; line-height: 1.2; box-shadow: none; text-shadow: none; }
.ait-dc.ait-dc .ait-dc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px;
  border-radius: 12px; border: 1.5px solid var(--line-2); background: var(--surface); color: var(--ink);
  font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; transition: background .15s var(--ease), border-color .15s var(--ease), transform .15s var(--ease), box-shadow .15s var(--ease);
}
.ait-dc.ait-dc .ait-dc-btn:hover { border-color: var(--ink-3); background: var(--surface-2); }
.ait-dc.ait-dc .ait-dc-btn:active { transform: translateY(1px); }
.ait-dc.ait-dc .ait-dc-btn svg { width: 18px; height: 18px; flex: 0 0 auto; }
.ait-dc.ait-dc .ait-dc-btn--primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.ait-dc.ait-dc .ait-dc-btn--primary { box-shadow: 0 1px 2px rgba(31,68,121,.25), 0 6px 16px -8px rgba(43,87,154,.55); }
.ait-dc.ait-dc .ait-dc-btn--primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); color: var(--on-accent); transform: translateY(-1px); }
.ait-dc.ait-dc .ait-dc-btn--ghost { border-color: transparent; background: transparent; color: var(--ink-2); }
.ait-dc.ait-dc .ait-dc-btn--ghost:hover { background: var(--surface-2); color: var(--ink); border-color: transparent; }
.ait-dc.ait-dc .ait-dc-btn--sm { min-height: 36px; padding: 0 12px; font-size: 14px; border-radius: 10px; }
.ait-dc.ait-dc .ait-dc-btn--block { width: 100%; }
.ait-dc.ait-dc .ait-dc-btn[disabled] { opacity: .55; cursor: not-allowed; }
.ait-dc.ait-dc .ait-dc-btn.is-busy { pointer-events: none; }
.ait-dc.ait-dc .ait-dc-btn.is-busy::after { content: ""; width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: ait-dc-spin .7s linear infinite; }
.ait-dc.ait-dc .ait-dc-btn.is-copied { border-color: var(--good); color: var(--good); }
@keyframes ait-dc-spin { to { transform: rotate(360deg); } }

.ait-dc .ait-dc-field { display: grid; gap: 6px; min-width: 0; }
.ait-dc .ait-dc-label { font-size: 14.5px; font-weight: 600; color: var(--ink); display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; }
.ait-dc .ait-dc-label .ait-dc-opt { font-weight: 500; color: var(--ink-2); font-size: 13px; }
.ait-dc.ait-dc .ait-dc-input {
  width: 100%; min-height: 46px; padding: 11px 13px; border-radius: 10px; border: 1.5px solid var(--line-2);
  background: var(--surface); color: var(--ink); -webkit-text-fill-color: var(--ink); font: 400 16px/1.5 var(--sans);
  box-shadow: none; outline: none; margin: 0; max-width: 100%; transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.ait-dc.ait-dc textarea.ait-dc-input { resize: vertical; min-height: 96px; }
.ait-dc.ait-dc select.ait-dc-input { -webkit-appearance: none; appearance: none; padding-right: 38px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%);
  background-position: calc(100% - 19px) 50%, calc(100% - 13px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.ait-dc.ait-dc .ait-dc-input::placeholder { color: var(--ink-3); -webkit-text-fill-color: var(--ink-3); opacity: 1; }
.ait-dc.ait-dc .ait-dc-input:hover { border-color: var(--ink-3); }
.ait-dc.ait-dc .ait-dc-input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.ait-dc .ait-dc-check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; cursor: pointer; }
.ait-dc.ait-dc .ait-dc-check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); flex: 0 0 auto; }

/* ---------- Header ---------- */
.ait-dc .ait-dc-head { position: relative; padding: clamp(30px, 5vw, 48px) 0 clamp(28px, 4vw, 44px); scroll-margin-top: 90px; border-bottom: 1px solid var(--line-2);
  /* Grid paper drawn with CSS only: no images, nothing extra to download */
  background:
    radial-gradient(520px 260px at 92% 0%, var(--glow), transparent 70%),
    radial-gradient(420px 220px at 0% 100%, var(--glow), transparent 75%),
    repeating-linear-gradient(to right, transparent 0 47px, var(--rule) 47px 48px),
    repeating-linear-gradient(to bottom, transparent 0 47px, var(--rule) 47px 48px),
    var(--hero); }
.ait-dc .ait-dc-head::before { content: ""; position: absolute; inset: 0 auto 0 clamp(10px, 2.5vw, 24px); width: 2px; background: var(--glow); pointer-events: none; }
.ait-dc .ait-dc-head > .ait-dc-wrap { position: relative; }
.ait-dc .ait-dc-topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: clamp(16px, 3vw, 26px); }
.ait-dc .ait-dc-crumbs ol { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: 13.5px; color: var(--ink-2); }
.ait-dc .ait-dc-crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line-2); }
.ait-dc .ait-dc-crumbs a { color: var(--ink-2); text-decoration: none; }
.ait-dc .ait-dc-crumbs a:hover { color: var(--accent-ink); text-decoration: underline; }
.ait-dc .ait-dc-theme { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--surface); }
.ait-dc.ait-dc .ait-dc-theme button { border: 0; background: transparent; color: var(--ink-2); width: 34px; height: 30px; border-radius: 999px; cursor: pointer; display: grid; place-items: center; padding: 0; }
.ait-dc.ait-dc .ait-dc-theme button { transition: background .15s var(--ease), color .15s var(--ease); }
.ait-dc.ait-dc .ait-dc-theme button:hover { color: var(--ink); }
.ait-dc.ait-dc .ait-dc-theme button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-ink); }
.ait-dc .ait-dc-theme svg { width: 16px; height: 16px; }
.ait-dc .ait-dc-kicker { font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 10px; }
.ait-dc .ait-dc-h1 { font-size: clamp(29px, 4.3vw, 44px); max-width: 30ch; letter-spacing: -.02em; }
/* The page title uses fonts already on the device (size-matched to Source Serif 4), so nothing swaps above the tool when web fonts load: no layout shift, even if a plugin forces font-display: swap. */
.ait-dc.ait-dc .ait-dc-h1 { font-family: "AIT Serif FB", "AIT Serif FB Times", "AIT Serif FB Noto", "AIT Serif FB DejaVu", Georgia, "Times New Roman", serif; }
.ait-dc .ait-dc-h1 em { font-style: normal; color: var(--accent-ink); }
.ait-dc .ait-dc-lede { margin-top: 12px; font-size: clamp(16px, 1.8vw, 18px); color: var(--ink-2); max-width: 68ch; }
.ait-dc .ait-dc-steps { list-style: none; padding: 0; margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px 10px; counter-reset: s; }
.ait-dc .ait-dc-steps li { counter-increment: s; display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 5px 13px 5px 5px; box-shadow: 0 1px 2px rgba(28,25,23,.04); }
.ait-dc .ait-dc-steps li::before { content: counter(s); display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--on-accent); font-size: 12.5px; font-weight: 700; }
.ait-dc .ait-dc-byline { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13.5px; color: var(--ink-2); }

/* ---------- The desk (tool workspace) ---------- */
.ait-dc .ait-dc-deskwrap { padding: clamp(18px, 3vw, 28px) 0 clamp(30px, 5vw, 48px); }
.ait-dc .ait-dc-desk { display: grid; grid-template-columns: minmax(0, 1fr); background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-l); box-shadow: var(--shadow); overflow: hidden; }
.ait-dc .ait-dc-pane { padding: clamp(20px, 3vw, 32px); min-width: 0; display: grid; gap: 18px; align-content: start; }
.ait-dc .ait-dc-pane + .ait-dc-pane { border-top: 1px solid var(--line); background: var(--surface-2); }
.ait-dc .ait-dc-paneh { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.ait-dc .ait-dc-paneh h2 { font-size: 20px; display: flex; align-items: center; gap: 10px; }
.ait-dc .ait-dc-paneh h2 .ait-dc-num { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-family: var(--sans); font-size: 14px; background: var(--accent-soft); color: var(--accent-ink); }
.ait-dc .ait-dc-row2 { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; }
.ait-dc .ait-dc-more { border: 1px dashed var(--line-2); border-radius: var(--r); padding: 0 14px; background: transparent; }
.ait-dc .ait-dc-more > summary { cursor: pointer; padding: 12px 0; font-weight: 650; font-size: 14.5px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.ait-dc .ait-dc-more > summary::-webkit-details-marker { display: none; }
.ait-dc .ait-dc-more > summary::after { content: "+"; font-size: 20px; color: var(--ink-2); }
.ait-dc .ait-dc-more[open] > summary::after { content: "\2212"; }
.ait-dc .ait-dc-more[open] { padding-bottom: 14px; }
.ait-dc .ait-dc-more > div { display: grid; gap: 12px; }
.ait-dc .ait-dc-row4 { display: grid; gap: 12px 14px; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: end; }
.ait-dc .ait-dc-gobar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.ait-dc .ait-dc-gobar .ait-dc-btn { min-width: 260px; }
.ait-dc .ait-dc-gobar .ait-dc-small { flex: 1 1 260px; }
.ait-dc.ait-dc .ait-dc-engine { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); border-radius: 999px; padding: 5px 12px; font-size: 13px; font-weight: 600; cursor: pointer; min-height: 32px; }
.ait-dc .ait-dc-engine::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
.ait-dc .ait-dc-engine[data-state="shared"]::before, .ait-dc .ait-dc-engine[data-state="own"]::before { background: var(--good); }
.ait-dc .ait-dc-engine[data-state="none"]::before { background: var(--warn); }
.ait-dc .ait-dc-engine[data-state="busy"]::before { background: var(--accent); animation: ait-dc-pulse 1s infinite; }
@keyframes ait-dc-pulse { 50% { opacity: .3; } }
.ait-dc .ait-dc-alert { border: 1px solid var(--bad); background: var(--bad-soft); color: var(--ink); border-radius: var(--r); padding: 12px 14px; font-size: 14.5px; display: grid; gap: 8px; }
.ait-dc .ait-dc-alert[data-kind="info"] { border-color: var(--line-2); background: var(--surface-2); }

/* Option picker */
.ait-dc .ait-dc-opts { display: flex; gap: 6px; flex-wrap: wrap; }
.ait-dc.ait-dc .ait-dc-opt-btn { border: 1.5px solid var(--line-2); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 6px 14px; font-size: 14px; font-weight: 650; cursor: pointer; min-height: 36px; }
.ait-dc.ait-dc .ait-dc-opt-btn { transition: background .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease); }
.ait-dc.ait-dc .ait-dc-opt-btn:hover { border-color: var(--accent); }
.ait-dc.ait-dc .ait-dc-opt-btn[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-ink); border-color: var(--accent); }

/* Meters */
.ait-dc .ait-dc-meter { display: grid; gap: 4px; }
.ait-dc .ait-dc-bar { height: 8px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.ait-dc .ait-dc-bar i { display: block; height: 100%; width: 0; border-radius: 99px; background: var(--good); transition: width .3s var(--ease), background-color .3s var(--ease); }
.ait-dc .ait-dc-meter[data-s="warn"] .ait-dc-bar i { background: var(--warn); }
.ait-dc .ait-dc-meter[data-s="bad"] .ait-dc-bar i { background: var(--bad); }
.ait-dc .ait-dc-meterline { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--ink-2); flex-wrap: wrap; }
.ait-dc .ait-dc-meterline b { color: var(--ink); font-weight: 650; }

/* Status list (Good / Improve / Problem) */
.ait-dc .ait-dc-checks { list-style: none; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); }
.ait-dc .ait-dc-checks li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 10px; align-items: start; padding: 9px 11px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); }
.ait-dc .ait-dc-tag { font-size: 12px; font-weight: 750; padding: 3px 8px; border-radius: 99px; white-space: nowrap; letter-spacing: .01em; }
.ait-dc .ait-dc-tag[data-s="good"] { background: var(--good-soft); color: var(--good); }
.ait-dc .ait-dc-tag[data-s="warn"] { background: var(--warn-soft); color: var(--warn); }
.ait-dc .ait-dc-tag[data-s="bad"] { background: var(--bad-soft); color: var(--bad); }
.ait-dc .ait-dc-checks strong { font-size: 14.5px; font-weight: 600; display: block; line-height: 1.35; }
.ait-dc .ait-dc-checks span.ait-dc-why { font-size: 13.5px; color: var(--ink-2); display: block; }
.ait-dc .ait-dc-score { display: flex; gap: 8px; flex-wrap: wrap; font-size: 13.5px; }

/* Tabs */
.ait-dc .ait-dc-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.ait-dc.ait-dc .ait-dc-tab { border: 0; background: transparent; color: var(--ink-2); padding: 10px 14px; font-size: 14.5px; font-weight: 650; border-bottom: 2.5px solid transparent; margin-bottom: -1px; cursor: pointer; white-space: nowrap; border-radius: 0; }
.ait-dc.ait-dc .ait-dc-tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.ait-dc .ait-dc-tabpanel { padding-top: 14px; display: grid; gap: 12px; }
.ait-dc .ait-dc-copyrow { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; }
.ait-dc .ait-dc-copyrow dt { font-size: 12.5px; font-weight: 700; color: var(--ink-2); text-transform: uppercase; letter-spacing: .05em; }
.ait-dc .ait-dc-copyrow dd { font-size: 15px; overflow-wrap: anywhere; }
.ait-dc .ait-dc-code { margin: 0; padding: 14px; border-radius: 10px; background: #1c1917; color: #f5f5f4; font-family: var(--mono); font-size: 13px; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 340px; overflow: auto; border: 1px solid var(--line); }
.ait-dc[data-ait-theme="dark"] .ait-dc-code { background: #0d0b10; }

/* Card used on the desk for previews */
.ait-dc .ait-dc-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; box-shadow: 0 1px 2px rgba(28,25,23,.03); display: grid; gap: 10px; min-width: 0; }
.ait-dc .ait-dc-cardh { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.ait-dc .ait-dc-cardh h3 { font-size: 16.5px; }
.ait-dc .ait-dc-seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--surface-2); }
.ait-dc.ait-dc .ait-dc-seg button { border: 0; background: transparent; color: var(--ink-2); padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 650; cursor: pointer; min-height: 30px; }
.ait-dc.ait-dc .ait-dc-seg button { transition: background .15s var(--ease), color .15s var(--ease); }
.ait-dc.ait-dc .ait-dc-seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 0 0 1px var(--line); }
.ait-dc .ait-dc-empty { text-align: center; padding: 26px 14px; border: 1px dashed var(--line-2); border-radius: var(--r); color: var(--ink-2); font-size: 14.5px; background: var(--surface); }
.ait-dc .ait-dc-empty strong { display: block; font-family: var(--serif); font-size: 18px; color: var(--ink); margin-bottom: 4px; }
.ait-dc .ait-dc-skel { display: grid; gap: 10px; }
.ait-dc .ait-dc-skel i { height: 14px; border-radius: 7px; background: linear-gradient(100deg, var(--surface-3) 30%, var(--surface) 50%, var(--surface-3) 70%); background-size: 220% 100%; animation: ait-dc-sk 1.4s var(--ease) infinite; }
@keyframes ait-dc-sk { to { background-position: -200% 0; } }
.ait-dc .ait-dc-foot { font-size: 13px; color: var(--ink-2); padding: 12px clamp(18px, 2.6vw, 28px); border-top: 1px solid var(--line); background: var(--surface); }

/* ---------- Content sections ---------- */
.ait-dc .ait-dc-sec { padding: clamp(36px, 6vw, 64px) 0; border-top: 1px solid var(--line); }
.ait-dc .ait-dc-sec--paper { background: var(--surface); }
.ait-dc .ait-dc-sech { max-width: 720px; margin-bottom: clamp(18px, 3vw, 28px); }
.ait-dc .ait-dc-sech h2 { font-size: clamp(24px, 3.2vw, 32px); }
.ait-dc .ait-dc-sech p { margin-top: 8px; color: var(--ink-2); font-size: 16.5px; }
.ait-dc .ait-dc-num-k { font-family: var(--sans); font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); display: block; margin-bottom: 8px; }

/* What the results mean */
.ait-dc .ait-dc-mean { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.ait-dc .ait-dc-mean article { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: grid; gap: 10px; align-content: start; }
.ait-dc .ait-dc-sec--paper .ait-dc-mean article { background: var(--bg); }
.ait-dc .ait-dc-mean h3 { font-size: 18px; }
.ait-dc .ait-dc-mean p { font-size: 15px; color: var(--ink-2); }
.ait-dc .ait-dc-eg { display: grid; gap: 6px; font-size: 14px; }
.ait-dc .ait-dc-eg div { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px; align-items: start; }
.ait-dc .ait-dc-eg q { quotes: none; overflow-wrap: anywhere; }

/* Before / after */
.ait-dc .ait-dc-ba { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 14px; align-items: stretch; }
.ait-dc .ait-dc-ba > div:not(.ait-dc-arrow) { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: grid; gap: 10px; align-content: start; }
.ait-dc .ait-dc-ba .ait-dc-arrow { display: grid; place-items: center; color: var(--accent-ink); font-size: 28px; line-height: 1; border: 0; background: none; padding: 0; }
.ait-dc .ait-dc-ba .ait-dc-arrow span { display: block; }
.ait-dc .ait-dc-ba h3 { font-size: 17px; display: flex; gap: 8px; align-items: center; }
.ait-dc .ait-dc-ba ul { padding-left: 18px; font-size: 14px; color: var(--ink-2); display: grid; gap: 4px; }

/* Cheat sheet table */
.ait-dc .ait-dc-tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
.ait-dc table.ait-dc-table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
.ait-dc .ait-dc-table th, .ait-dc .ait-dc-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.ait-dc .ait-dc-table thead th { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-2); background: var(--surface-2); }
.ait-dc .ait-dc-table tbody th { font-weight: 650; }
.ait-dc .ait-dc-table tr:last-child td, .ait-dc .ait-dc-table tr:last-child th { border-bottom: 0; }

/* Step-by-step guide */
.ait-dc .ait-dc-guide { list-style: none; padding: 0; display: grid; gap: 0; counter-reset: g; max-width: 820px; }
.ait-dc .ait-dc-guide li { counter-increment: g; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 14px; padding: 0 0 22px; position: relative; }
.ait-dc .ait-dc-guide li::before { content: counter(g); width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-family: var(--serif); font-size: 20px; font-weight: 700; background: var(--surface); border: 1.5px solid var(--accent); color: var(--accent-ink); position: relative; z-index: 1; }
.ait-dc .ait-dc-guide li:not(:last-child)::after { content: ""; position: absolute; left: 21px; top: 44px; bottom: 0; width: 2px; background: var(--line); }
.ait-dc .ait-dc-guide h3 { font-size: 18px; margin-top: 9px; }
.ait-dc .ait-dc-guide p { color: var(--ink-2); margin-top: 4px; font-size: 15.5px; }

/* FAQ */
.ait-dc .ait-dc-faq { display: grid; gap: 10px; max-width: 860px; }
.ait-dc .ait-dc-faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); }
.ait-dc .ait-dc-sec--paper .ait-dc-faq details { background: var(--bg); }
.ait-dc .ait-dc-faq summary { cursor: pointer; list-style: none; padding: 16px 18px; display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.ait-dc .ait-dc-faq summary::-webkit-details-marker { display: none; }
.ait-dc .ait-dc-faq summary h3 { font-family: var(--sans); font-size: 16px; font-weight: 650; letter-spacing: 0; }
.ait-dc .ait-dc-faq summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--accent-ink); flex: 0 0 auto; }
.ait-dc .ait-dc-faq details[open] summary::after { content: "\2212"; }
.ait-dc .ait-dc-faq details > div { padding: 0 18px 16px; color: var(--ink-2); font-size: 15.5px; }

/* Workflow: "next step" */
.ait-dc .ait-dc-flow { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; counter-reset: f; }
.ait-dc .ait-dc-flow li { counter-increment: f; position: relative; }
.ait-dc .ait-dc-flow a, .ait-dc .ait-dc-flow .ait-dc-here { display: grid; gap: 4px; height: 100%; padding: 14px; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface); text-decoration: none; color: var(--ink); }
.ait-dc .ait-dc-sec--paper .ait-dc-flow a { background: var(--bg); }
.ait-dc .ait-dc-flow a { transition: border-color .15s var(--ease), transform .15s var(--ease), box-shadow .15s var(--ease); }
.ait-dc .ait-dc-flow a:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.ait-dc .ait-dc-flow small { font-size: 12px; font-weight: 700; color: var(--ink-2); letter-spacing: .05em; text-transform: uppercase; }
.ait-dc .ait-dc-flow small::before { content: "Step " counter(f) " · "; }
.ait-dc .ait-dc-flow strong { font-size: 15px; line-height: 1.3; }
.ait-dc .ait-dc-flow span { font-size: 13px; color: var(--ink-2); }
.ait-dc .ait-dc-flow .ait-dc-here { border: 2px solid var(--accent); background: var(--accent-soft); }
.ait-dc .ait-dc-flow .ait-dc-here small { color: var(--accent-ink); }
.ait-dc .ait-dc-flowmore { margin-top: 16px; font-size: 15px; }

/* Dialog + toast */
.ait-dc dialog.ait-dc-dlg { border: 1px solid var(--line); border-radius: var(--r-l); background: var(--surface); color: var(--ink); padding: 0; width: min(520px, calc(100vw - 24px)); box-shadow: 0 30px 80px -20px rgba(0,0,0,.5); }
.ait-dc dialog.ait-dc-dlg::backdrop { background: rgba(20,18,23,.45); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.ait-dc .ait-dc-dlgin { padding: 20px; display: grid; gap: 14px; }
.ait-dc .ait-dc-dlgh { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.ait-dc .ait-dc-dlgh h2 { font-size: 20px; }
.ait-dc .ait-dc-keystate { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 99px; background: var(--surface-3); color: var(--ink-2); }
.ait-dc .ait-dc-keystate.is-on { background: var(--good-soft); color: var(--good); }
.ait-dc .ait-dc-dlgbtns { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.ait-dc .ait-dc-toast { box-shadow: 0 10px 30px -10px rgba(0,0,0,.45); position: fixed; left: 50%; bottom: 32px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; z-index: 99999; background: var(--ink); color: var(--surface); padding: 11px 18px; border-radius: 10px; font-size: 14.5px; font-weight: 600; transition: opacity .2s, transform .2s; max-width: calc(100vw - 32px); text-align: center; }
.ait-dc .ait-dc-toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@container aiotinv (max-width: 980px) {
  .ait-dc .ait-dc-row4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ait-dc .ait-dc-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@container aiotinv (max-width: 640px) {
  .ait-dc .ait-dc-row4 { grid-template-columns: minmax(0, 1fr); }
  .ait-dc .ait-dc-gobar .ait-dc-btn { width: 100%; min-width: 0; }
  .ait-dc .ait-dc-row2 { grid-template-columns: minmax(0, 1fr); }
  .ait-dc .ait-dc-ba { grid-template-columns: minmax(0, 1fr); }
  .ait-dc .ait-dc-ba { gap: 6px; }
  .ait-dc .ait-dc-ba .ait-dc-arrow span { transform: rotate(90deg); }
  .ait-dc .ait-dc-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ait-dc .ait-dc-copyrow { grid-template-columns: minmax(0, 1fr); }
}
@container aiotinv (max-width: 380px) {
  .ait-dc.ait-dc .ait-dc-btn { padding: 0 14px; font-size: 14.5px; }
  .ait-dc .ait-dc-steps li { font-size: 13.5px; }
  .ait-dc .ait-dc-flow { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { .ait-dc *, .ait-dc *::before, .ait-dc *::after { animation: none !important; transition: none !important; } }
@container aiotinv (max-width: 440px) {
  .ait-dc .ait-dc-checks li { grid-template-columns: minmax(0, 1fr); }
  .ait-dc .ait-dc-checks li .ait-dc-tag { justify-self: start; }
  .ait-dc .ait-dc-pane { padding: 16px 14px; }
  .ait-dc .ait-dc-card { padding: 12px; }
}

/* Honest by design: does / doesn't */
.ait-dc .ait-dc-honest { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ait-dc .ait-dc-honest > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(16px, 2.4vw, 22px); }
.ait-dc .ait-dc-sec--paper .ait-dc-honest > div { background: var(--bg); }
.ait-dc .ait-dc-honest h3 { font-size: 19px; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.ait-dc .ait-dc-honest h3 i { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-family: var(--sans); font-size: 15px; font-weight: 800; }
.ait-dc .ait-dc-honest .is-do h3 i { background: var(--good-soft); color: var(--good); }
.ait-dc .ait-dc-honest .is-dont h3 i { background: var(--bad-soft); color: var(--bad); }
.ait-dc .ait-dc-honest ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.ait-dc .ait-dc-honest li { padding-left: 18px; position: relative; font-size: 15.5px; color: var(--ink-2); }
.ait-dc .ait-dc-honest li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); }
.ait-dc .ait-dc-honest li b { color: var(--ink); font-weight: 650; }
.ait-dc .ait-dc-sec--paper .ait-dc-ba > div:not(.ait-dc-arrow) { background: var(--bg); }
.ait-dc .ait-dc-sec--paper .ait-dc-guide li::before { background: var(--bg); }
@container aiotinv (max-width: 760px) { .ait-dc .ait-dc-honest { grid-template-columns: minmax(0, 1fr); } }
/* ---- Register Maker (ait-dc-rg): an Excel-like book in the Office Desk ---- */
.ait-dc .ait-dc-deskwrap { padding: clamp(14px, 2.4vw, 24px) 0 clamp(30px, 5vw, 48px); }
.ait-dc .ait-dc-rg-app { background: var(--surface); border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; min-width: 0; }
/* Title bar */
.ait-dc .ait-dc-rg-titlebar { display: flex; align-items: center; gap: 8px; padding: 8px 12px 8px 14px; min-height: 52px; background: var(--accent); color: var(--on-accent); flex-wrap: wrap; }
.ait-dc .ait-dc-rg-docico { width: 22px; height: 22px; flex: 0 0 auto; }
.ait-dc.ait-dc .ait-dc-rg-fname { min-width: 8ch; width: var(--fw, 10ch); max-width: 100%; flex: 0 1 auto; background: transparent; color: var(--on-accent); -webkit-text-fill-color: var(--on-accent); border: 1px solid transparent; border-radius: 6px; padding: 4px 8px; font: 650 15px/1.3 var(--sans); margin: 0; box-shadow: none; }
.ait-dc.ait-dc .ait-dc-rg-fname:hover { border-color: rgba(255,255,255,.45); }
.ait-dc.ait-dc .ait-dc-rg-fname:focus { outline: 2px solid var(--on-accent); outline-offset: 0; background: rgba(255,255,255,.12); }
.ait-dc .ait-dc-rg-ext { font-size: 14px; font-weight: 600; margin-left: -6px; }
.ait-dc .ait-dc-rg-saved { font-size: 12.5px; padding-left: 10px; border-left: 1px solid currentColor; }
.ait-dc .ait-dc-rg-tbspace { flex: 1 1 auto; }

/* Ribbon */
.ait-dc .ait-dc-rg-ribbon { display: flex; flex-wrap: wrap; align-items: stretch; padding: 4px 6px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.ait-dc .ait-dc-rg-grp { display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 2px 8px; border-right: 1px solid var(--line); }
.ait-dc .ait-dc-rg-grp:last-child { border-right: 0; }
.ait-dc .ait-dc-rg-grpbtns { display: flex; gap: 2px; align-items: center; justify-content: center; flex-wrap: wrap; }
.ait-dc .ait-dc-rg-cap { font-size: 11.5px; color: var(--ink-2); margin-top: 1px; }
.ait-dc.ait-dc .ait-dc-rg-rb { -webkit-appearance: none; appearance: none; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-width: 66px; min-height: 58px; padding: 6px 8px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--ink); font: 600 12.5px/1.2 var(--sans); letter-spacing: 0; text-transform: none; cursor: pointer; box-shadow: none; transition: background .15s var(--ease), border-color .15s var(--ease); }
.ait-dc.ait-dc .ait-dc-rg-rb svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ait-dc.ait-dc .ait-dc-rg-rb:hover { background: var(--surface-3); border-color: var(--line); }
.ait-dc.ait-dc .ait-dc-rg-rb:active { transform: translateY(1px); }
.ait-dc.ait-dc .ait-dc-rg-rb--main { color: var(--accent-ink); background: var(--accent-soft); border-color: var(--accent-soft); min-width: 92px; }
.ait-dc.ait-dc .ait-dc-rg-rb--main:hover { border-color: var(--accent); background: var(--accent-soft); }
.ait-dc.ait-dc .ait-dc-rg-rb--main svg { fill: currentColor; stroke-width: 1.2; }
.ait-dc.ait-dc .ait-dc-rg-rb--icon { min-width: 40px; min-height: 40px; padding: 6px; }
.ait-dc.ait-dc .ait-dc-rg-rb.is-busy { pointer-events: none; }
.ait-dc.ait-dc .ait-dc-rg-rb.is-busy svg { animation: ait-dc-pulse 1s infinite; }
.ait-dc.ait-dc .ait-dc-rg-rb.is-copied { color: var(--good); }
.ait-dc.ait-dc .ait-dc-rg-danger.is-armed { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }

/* Status bar */
.ait-dc .ait-dc-rg-status { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; padding: 6px 14px; min-height: 34px; font-size: 12.5px; color: var(--ink-2); background: var(--surface-2); border-top: 1px solid var(--line); }
.ait-dc .ait-dc-rg-sgrow { margin-left: auto; }
.ait-dc.ait-dc .ait-dc-rg-sbtn { -webkit-appearance: none; appearance: none; border: 0; background: var(--warn-soft); color: var(--warn); font: 700 12.5px/1.2 var(--sans); padding: 4px 10px; border-radius: 99px; cursor: pointer; min-height: 26px; }
.ait-dc.ait-dc .ait-dc-rg-sbtn:hover { text-decoration: underline; }

/* Focus mode and full screen (like the Online Notepad) */
.ait-dc.ait-dc .ait-dc-rg-tbb { -webkit-appearance: none; appearance: none; width: 38px; height: 38px; display: grid; place-items: center; padding: 0; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--on-accent); cursor: pointer; box-shadow: none; flex: 0 0 auto; }
.ait-dc.ait-dc .ait-dc-rg-tbb svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ait-dc.ait-dc .ait-dc-rg-tbb:hover { border-color: currentColor; }
.ait-dc.ait-dc .ait-dc-rg-tbb[aria-pressed="true"] { background: var(--on-accent); color: var(--accent); }
.ait-dc.ait-dc .ait-dc-rg-tbb:focus-visible { outline: 2px solid var(--on-accent); outline-offset: 1px; }
.ait-dc .ait-dc-rg-app:fullscreen { width: 100vw; height: 100vh; max-width: none; border: 0; border-radius: 0; background: var(--surface); }
.ait-dc .ait-dc-rg-app:fullscreen .ait-dc-toast { position: fixed; }
@container aiotinv (max-width: 640px) { .ait-dc.ait-dc .ait-dc-rg-tbb { width: 34px; height: 34px; } }


.ait-dc.ait-dc .ait-dc-rg-rb { min-width: 46px; padding: 6px 4px; }
.ait-dc.ait-dc .ait-dc-rg-rb--main { min-width: 78px; }
.ait-dc .ait-dc-rg-grp { padding: 2px 3px; }
/* Focus mode: only the sheet. Full screen: the sheet fills the screen. */
.ait-dc .ait-dc-rg-app.is-focus :is(.ait-dc-rg-ribbon, .ait-dc-rg-filter) { display: none; }
.ait-dc .ait-dc-rg-app.is-focus .ait-dc-rg-scroll { height: clamp(360px, calc(100vh - 190px), 1400px); }
.ait-dc .ait-dc-rg-app:fullscreen .ait-dc-rg-scroll { flex: 1 1 0; height: auto; min-height: 0; }

/* Formula bar and filter */
.ait-dc .ait-dc-rg-fbar { display: flex; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line); background: var(--surface); min-height: 38px; }
.ait-dc .ait-dc-rg-namebox { flex: 0 0 auto; min-width: 74px; display: grid; place-items: center; padding: 0 8px; font: 650 13px/1 var(--mono); color: var(--ink); border-right: 1px solid var(--line); background: var(--surface-2); }
.ait-dc .ait-dc-rg-fxl { flex: 0 0 auto; display: grid; place-items: center; width: 38px; font: italic 600 14px/1 Georgia, serif; color: var(--ink-2); border-right: 1px solid var(--line); }
.ait-dc.ait-dc .ait-dc-rg-fx { flex: 1 1 auto; min-width: 0; border: 0; border-radius: 0; margin: 0; padding: 6px 10px; background: var(--surface); color: var(--ink); font: 14px/1.4 var(--mono); box-shadow: none; min-height: 38px; }
.ait-dc.ait-dc .ait-dc-rg-fx:focus { outline: 2px solid var(--focus); outline-offset: -2px; }
.ait-dc.ait-dc .ait-dc-rg-fx[readonly] { color: var(--ink-2); background: var(--surface-2); }
.ait-dc .ait-dc-rg-filter { display: flex; flex-wrap: wrap; align-items: end; gap: 6px 10px; padding: 8px 12px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.ait-dc .ait-dc-rg-ff { display: flex; align-items: center; gap: 6px; min-width: 0; }
.ait-dc .ait-dc-rg-ff label { font-size: 13px; font-weight: 650; color: var(--ink-2); }
.ait-dc.ait-dc .ait-dc-rg-ff .ait-dc-input { min-height: 34px; padding: 4px 8px; font-size: 14px; width: auto; }
.ait-dc .ait-dc-rg-ff--q { flex: 1 1 200px; }
.ait-dc.ait-dc .ait-dc-rg-ff--q .ait-dc-input { flex: 1 1 auto; min-width: 0; width: 100%; }
.ait-dc .ait-dc-rg-filter.is-on { background: var(--accent-soft); }

/* The grid */
.ait-dc .ait-dc-rg-scroll { position: relative; overflow: auto; height: clamp(360px, calc(100vh - 360px), 720px); background: var(--surface); overscroll-behavior: contain; min-width: 0; }
.ait-dc table.ait-dc-rg-grid { border-collapse: separate; border-spacing: 0; table-layout: fixed; width: max-content; font: 13.5px/1.2 var(--sans); color: var(--ink); -webkit-user-select: none; user-select: none; margin: 0; }
.ait-dc .ait-dc-rg-grid:focus { outline: none; }
.ait-dc .ait-dc-rg-grid :is(td, th) { height: 30px; box-sizing: border-box; padding: 0 7px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; background: var(--surface); }
.ait-dc .ait-dc-rg-grid thead th { position: sticky; top: 0; z-index: 3; background: var(--surface-2); height: 44px; padding: 3px 7px; cursor: pointer; border-bottom: 1px solid var(--line-2); }
.ait-dc .ait-dc-rg-grid thead th > span { display: block; overflow: hidden; text-overflow: ellipsis; }
.ait-dc .ait-dc-rg-L { font: 600 11px/1.2 var(--mono); color: var(--ink-2); }
.ait-dc .ait-dc-rg-N { font-weight: 700; font-size: 13px; }
.ait-dc .ait-dc-rg-grid thead th.is-num { text-align: right; }
.ait-dc .ait-dc-rg-grid thead th.is-colsel { background: var(--accent-soft); color: var(--accent-ink); }
.ait-dc .ait-dc-rg-grid :is(tbody, tfoot) th { position: sticky; left: 0; z-index: 2; background: var(--surface-2); color: var(--ink-2); font: 500 12px/1 var(--sans); text-align: center; padding: 0 4px; cursor: pointer; border-right: 1px solid var(--line-2); }
.ait-dc .ait-dc-rg-grid thead th.ait-dc-rg-corner { left: 0; z-index: 4; text-align: center; color: var(--ink-2); font: 500 12px/1 var(--sans); border-right: 1px solid var(--line-2); cursor: default; }
.ait-dc .ait-dc-rg-grid tbody th.is-rowsel { background: var(--accent-soft); color: var(--accent-ink); }
.ait-dc .ait-dc-rg-grid td.is-num { text-align: right; font-variant-numeric: tabular-nums; }
.ait-dc .ait-dc-rg-grid td.is-calc { background-image: linear-gradient(var(--glow), var(--glow)); }
.ait-dc .ait-dc-rg-grid td.is-sel { background-color: var(--accent-soft); background-image: none; }
.ait-dc .ait-dc-rg-grid td.is-act { box-shadow: inset 0 0 0 2px var(--accent); }
.ait-dc .ait-dc-rg-grid td.is-err { color: var(--bad); font-weight: 650; }
.ait-dc .ait-dc-rg-grid td.is-warn { box-shadow: inset 0 -3px 0 var(--warn); }
.ait-dc .ait-dc-rg-grid td.is-warn.is-act { box-shadow: inset 0 0 0 2px var(--accent), inset 0 -4px 0 var(--warn); }
.ait-dc .ait-dc-rg-grid td.is-st-r { color: var(--warn); font-weight: 700; }
.ait-dc .ait-dc-rg-grid td.is-st-s { color: var(--bad); font-weight: 700; }
.ait-dc .ait-dc-rg-grid tr.ait-dc-rg-sp td { padding: 0; border: 0; background: transparent; }
.ait-dc .ait-dc-rg-grid tfoot :is(td, th) { position: sticky; bottom: 0; z-index: 2; background: var(--surface-2); font-weight: 700; border-top: 1px solid var(--line-2); }
.ait-dc .ait-dc-rg-grid tfoot th { z-index: 3; }
.ait-dc .ait-dc-rg-grid.is-locked td:not(.is-calc) { cursor: cell; }
.ait-dc .ait-dc-rg-rz { position: absolute; top: 0; right: -4px; width: 9px; height: 100%; cursor: col-resize; z-index: 2; }
.ait-dc .ait-dc-rg-grid thead th { overflow: visible; }
.ait-dc .ait-dc-rg-grid thead th > .ait-dc-rg-in { position: relative; height: 100%; display: grid; align-content: center; overflow: hidden; }
.ait-dc.ait-dc .ait-dc-rg-ed { position: absolute; z-index: 6; margin: 0; padding: 0 6px; border: 2px solid var(--accent); border-radius: 0; background: var(--surface); color: var(--ink); font: 13.5px/1.2 var(--sans); box-shadow: 0 4px 14px -6px rgba(0,0,0,.35); min-height: 0; outline: none; }
.ait-dc .ait-dc-rg-empty { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }

/* Sheet tabs */
.ait-dc .ait-dc-rg-tabsbar { display: flex; align-items: stretch; min-height: 42px; border-top: 1px solid var(--line); background: var(--surface-2); min-width: 0; }
.ait-dc .ait-dc-rg-tabs { display: flex; flex: 0 1 auto; min-width: 0; overflow-x: auto; scrollbar-width: thin; }
.ait-dc.ait-dc .ait-dc-rg-tab { -webkit-appearance: none; appearance: none; flex: 0 0 auto; border: 0; border-right: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--ink-2); font: 600 13.5px/1.2 var(--sans); padding: 0 14px; min-height: 42px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; box-shadow: none; white-space: nowrap; }
.ait-dc.ait-dc .ait-dc-rg-tab:hover { background: var(--surface-3); color: var(--ink); }
.ait-dc.ait-dc .ait-dc-rg-tab[aria-selected="true"] { background: var(--surface); color: var(--accent-ink); box-shadow: inset 0 3px 0 var(--accent); }
.ait-dc.ait-dc .ait-dc-rg-tab:focus-visible { outline: 2px solid var(--focus); outline-offset: -3px; }
.ait-dc .ait-dc-rg-tab i { font-style: normal; font-size: 11px; font-weight: 700; padding: 1px 6px; border-radius: 99px; background: var(--surface-3); color: var(--ink-2); }
.ait-dc.ait-dc .ait-dc-rg-addsheet { -webkit-appearance: none; appearance: none; flex: 0 0 auto; width: 44px; border: 0; background: transparent; color: var(--ink); cursor: pointer; display: grid; place-items: center; border-radius: 0; box-shadow: none; padding: 0; }
.ait-dc.ait-dc .ait-dc-rg-addsheet:hover { background: var(--surface-3); }
.ait-dc.ait-dc .ait-dc-rg-addsheet svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

/* Status bar extras */
.ait-dc #ait-dc-rg-ssel { font-variant-numeric: tabular-nums; color: var(--ink); }
.ait-dc.ait-dc .ait-dc-rg-rb[disabled] { opacity: .45; cursor: default; }

/* Dialogs */
.ait-dc dialog.ait-dc-rg-dlg { max-height: calc(100vh - 24px); overflow: auto; width: min(600px, calc(100vw - 24px)); }
.ait-dc .ait-dc-rg-colform { display: grid; gap: 12px; }
.ait-dc fieldset.ait-dc-rg-checks { border: 0; padding: 0; margin: 0; min-width: 0; display: grid; gap: 7px; }
.ait-dc fieldset.ait-dc-rg-checks > legend { padding: 0; margin: 0 0 6px; float: none; width: 100%; }
.ait-dc .ait-dc-rg-dbtns { display: flex; flex-wrap: wrap; gap: 6px; }
.ait-dc.ait-dc .ait-dc-rg-danger { color: var(--bad); }
.ait-dc.ait-dc .ait-dc-rg-danger.is-armed { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }
.ait-dc .ait-dc-rg-note { font-size: 14px; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink); }
.ait-dc .ait-dc-rg-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.ait-dc.ait-dc .ait-dc-rg-chip { -webkit-appearance: none; appearance: none; border: 1px solid var(--line-2); background: var(--surface); color: var(--ink); border-radius: 99px; padding: 3px 9px; font: 600 12.5px/1.3 var(--sans); cursor: pointer; min-height: 28px; box-shadow: none; }
.ait-dc.ait-dc .ait-dc-rg-chip:hover { border-color: var(--accent); color: var(--accent-ink); }
.ait-dc.ait-dc .ait-dc-rg-mono { font-family: var(--mono); }
.ait-dc .ait-dc-rg-range { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.ait-dc .ait-dc-rg-range input { width: 100%; accent-color: var(--accent); margin: 0; min-height: 24px; }
.ait-dc .ait-dc-rg-range output { font-size: 13px; font-variant-numeric: tabular-nums; color: var(--ink-2); min-width: 54px; text-align: right; }
.ait-dc .ait-dc-rg-kinds { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; }
.ait-dc.ait-dc .ait-dc-rg-kind { -webkit-appearance: none; appearance: none; display: grid; gap: 3px; text-align: left; padding: 10px 12px; border: 1.5px solid var(--line-2); border-radius: 10px; background: var(--surface); color: var(--ink); cursor: pointer; box-shadow: none; font: inherit; }
.ait-dc.ait-dc .ait-dc-rg-kind:hover:not([disabled]) { border-color: var(--accent); background: var(--accent-soft); }
.ait-dc.ait-dc .ait-dc-rg-kind[disabled] { opacity: .55; cursor: default; }
.ait-dc .ait-dc-rg-kind b { font-size: 14.5px; }
.ait-dc .ait-dc-rg-kind span { font-size: 12.5px; color: var(--ink-2); line-height: 1.35; }
.ait-dc .ait-dc-rg-styles { display: flex; flex-wrap: wrap; gap: 6px; }
.ait-dc.ait-dc .ait-dc-rg-style { -webkit-appearance: none; appearance: none; display: inline-flex; align-items: center; gap: 7px; padding: 6px 10px 6px 6px; border: 1.5px solid var(--line-2); border-radius: 99px; background: var(--surface); color: var(--ink); font: 600 13px/1.2 var(--sans); cursor: pointer; box-shadow: none; }
.ait-dc.ait-dc .ait-dc-rg-style[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); }
.ait-dc .ait-dc-rg-style i { width: 22px; height: 22px; border-radius: 50%; display: block; }
.ait-dc .ait-dc-rg-impmsg { font-size: 14px; min-height: 1.4em; }
.ait-dc .ait-dc-rg-lead { max-width: 75ch; margin: 0 0 14px; color: var(--ink-2); }
.ait-dc .ait-dc-rg-lead + .ait-dc-tablewrap { margin-bottom: 14px; }
.ait-dc .ait-dc-table code { font: 13px/1.5 var(--mono); overflow-wrap: anywhere; }

@container aiotinv (max-width: 640px) {
  .ait-dc .ait-dc-rg-saved { display: none; }
  .ait-dc .ait-dc-rg-titlebar { flex-wrap: nowrap; padding: 8px 10px; gap: 6px; }
  .ait-dc.ait-dc .ait-dc-rg-fname { flex: 1 1 auto; width: 10ch; max-width: none; font-size: 14px; padding: 4px 6px; }
  .ait-dc .ait-dc-rg-ext { font-size: 13px; }
  .ait-dc .ait-dc-rg-ribbon { display: grid; grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); gap: 2px; padding: 6px; }
  .ait-dc .ait-dc-rg-grp, .ait-dc .ait-dc-rg-grpbtns { display: contents; }
  .ait-dc .ait-dc-rg-cap { display: none; }
  .ait-dc.ait-dc .ait-dc-rg-rb { min-width: 0; min-height: 56px; padding: 5px 2px; font-size: 12px; }
  .ait-dc .ait-dc-rg-scroll { height: clamp(320px, 62vh, 560px); }
  .ait-dc .ait-dc-rg-filter { padding: 8px; }
  .ait-dc .ait-dc-rg-ff:not(.ait-dc-rg-ff--q) { flex: 1 1 130px; }
  .ait-dc.ait-dc .ait-dc-rg-ff:not(.ait-dc-rg-ff--q) .ait-dc-input { flex: 1 1 auto; min-width: 0; }
  .ait-dc.ait-dc .ait-dc-rg-ed, .ait-dc.ait-dc .ait-dc-rg-fx { font-size: 16px; }
  .ait-dc .ait-dc-rg-sgrow { display: none; }
}
@container aiotinv (max-width: 420px) { .ait-dc .ait-dc-rg-ext { display: none; } .ait-dc dialog.ait-dc-rg-dlg .ait-dc-row2 { grid-template-columns: minmax(0, 1fr); } }