:root {
  --ink: #182230;
  --ink2: #4a5565;
  --mute: #6b7482;
  --line: #e3e1da;
  --paper: #f7f6f2;
  --card: #fff;
  --accent: #d8572a;
  --accent-bg: #fdeee6;
  --h: #6d3fd6;
  --h-bg: #efe9fd;
  --p: #2463d6;
  --p-bg: #e8effc;
  --li: #0b8a7a;
  --li-bg: #e1f4f1;
  --table: #b86a00;
  --table-bg: #fdf1dc;
  --figure: #c22a6e;
  --figure-bg: #fce8f1;
  --art: #7b8492;
  --ok: #1f8a5b;
  --ok-bg: #e2f4ea;
  --todo: #c2410c;
  --todo-bg: #fff0e5;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #2463d6; outline-offset: 2px; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 8px; }

/* ---------- top bar ---------- */
.top { display: flex; align-items: center; gap: 16px; padding: 12px 22px; border-bottom: 1px solid var(--line); background: rgba(247, 246, 242, .94); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(6px); }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 18px; letter-spacing: -.01em; text-decoration: none; }
.filebar { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.fname { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; color: var(--ink2); }
.private-pill { margin-left: auto; font-size: 13px; color: var(--ink2); background: #fff; border: 1px solid var(--line); padding: 4px 11px; border-radius: 99px; white-space: nowrap; }
.ghost { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 7px 13px; font-size: 14px; white-space: nowrap; }
.ghost:hover:not(:disabled) { border-color: var(--ink2); }
.ghost:disabled { opacity: .45; cursor: default; }
.primary { background: var(--ink); color: #fff; border: 1px solid var(--ink); border-radius: 8px; padding: 7px 15px; font-size: 14px; font-weight: 600; white-space: nowrap; }
.primary:hover:not(:disabled) { background: #000; }
.primary:disabled { opacity: .6; }
.linkish { background: none; border: 0; padding: 0; text-decoration: underline; text-underline-offset: 3px; color: inherit; font-weight: 600; }

/* ---------- landing ---------- */
.landing { max-width: 1060px; margin: 0 auto; padding: 40px 22px 30px; }
.hero { text-align: center; max-width: 780px; margin: 0 auto; }
.hero h1 { font-size: clamp(32px, 5.4vw, 56px); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 18px; }
.hero h1 em { font-style: normal; background: linear-gradient(transparent 62%, #f8cdb8 62%); }
.lede { font-size: 19px; color: var(--ink2); margin: 0 auto 24px; max-width: 660px; }
.drop { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 24px 20px; border: 2px dashed #c9c6bb; border-radius: 18px; background: #fff; cursor: pointer; transition: border-color .15s, background .15s; }
.drop:hover, .drop:focus-visible, .drop.over { border-color: var(--accent); background: #fff8f4; outline: none; }
.drop-title { font-size: 19px; font-weight: 650; margin-top: 6px; }
.drop-sub { color: var(--mute); font-size: 14px; }
.sample-line { margin: 20px 0 0; color: var(--ink2); }
.sample-line p { margin: 10px auto 0; max-width: 520px; font-size: 14.5px; }
.sample-btn { background: var(--accent); color: #fff; border: 0; border-radius: 99px; padding: 11px 22px; font-size: 16px; font-weight: 700; box-shadow: 0 4px 14px rgba(216, 87, 42, .3); }
.sample-btn:hover { background: #bf4719; }
.load-error { margin: 16px auto 0; max-width: 560px; color: #9f2a18; background: #fdece8; border-radius: 10px; padding: 10px 14px; }
.load-progress { color: var(--ink2); margin-top: 14px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 56px; }
.feat { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px 20px; }
.feat svg { width: 120px; height: 64px; display: block; margin-bottom: 10px; overflow: visible; }
.feat h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -.01em; }
.feat p { margin: 0; color: var(--ink2); font-size: 14.5px; }
.f-h { fill: var(--h-bg); stroke: var(--h); stroke-width: 1.4; }
.f-p { fill: var(--p-bg); stroke: var(--p); stroke-width: 1.4; }
.f-badge { fill: var(--ink); }
.f-num { fill: #fff; font: 700 8px system-ui; text-anchor: middle; }
.f-chip { fill: #fff; stroke: #c9c6bb; }
.f-chip.on { fill: var(--h); stroke: var(--h); }
.f-chip-t { fill: #fff; font: 700 9px system-ui; text-anchor: middle; }
.f-chip-t2 { fill: var(--ink2); font: 600 9px system-ui; text-anchor: middle; }
.f-alt { fill: #fff; stroke: var(--figure); stroke-width: 1.4; }
.f-alt-t { fill: var(--ink2); font: 9px system-ui; }
.f-doc { fill: #fff; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; }
.f-line { stroke: #9aa3ae; stroke-width: 2.4; stroke-linecap: round; }
.f-ok { fill: var(--ok); }
.f-tick { stroke: #fff; stroke-width: 2.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.limits { text-align: center; color: var(--mute); font-size: 14px; max-width: 720px; margin: 30px auto 0; }

/* ---------- app ---------- */
.app { max-width: 1440px; margin: 0 auto; padding: 14px 22px 30px; }
.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tb-gap { flex: 1; }
.seg { display: inline-flex; background: #ebe9e2; border-radius: 10px; padding: 3px; }
.seg button { border: 0; background: none; padding: 7px 14px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--ink2); white-space: nowrap; }
.seg button[aria-checked="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
.listen[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.banner { margin: 12px 0 14px; padding: 11px 15px; border-radius: 12px; font-size: 14.5px; }
.banner.warn { background: var(--todo-bg); border: 1px solid #f6cdb2; }
.banner.ok { background: var(--ok-bg); border: 1px solid #bfe3cf; }
.source-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; }
.source-actions .hint { flex: 1 1 230px; margin: 0; }
.mtabs { display: none; }
.work { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 440px); gap: 22px; align-items: start; }
.pages { display: flex; flex-direction: column; align-items: center; gap: 18px; min-width: 0; }
.page { position: relative; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .08), 0 6px 22px rgba(24, 34, 48, .08); border-radius: 3px; }
.page canvas { width: 100%; height: 100%; display: block; border-radius: 3px; }
.pageno { position: absolute; right: 8px; bottom: -20px; font-size: 12px; color: var(--mute); }
.overlay { position: absolute; inset: 0; }
.ov { position: absolute; border: 1.5px solid var(--c, var(--p)); background: color-mix(in srgb, var(--c, var(--p)) 7%, transparent); border-radius: 4px; padding: 0; cursor: pointer; transition: background .15s, box-shadow .15s; }
.ov:hover { background: color-mix(in srgb, var(--c, var(--p)) 16%, transparent); }
.ov.sel { box-shadow: 0 0 0 3px color-mix(in srgb, var(--c, var(--p)) 40%, transparent); background: color-mix(in srgb, var(--c, var(--p)) 14%, transparent); }
.ov.speaking { box-shadow: 0 0 0 4px var(--accent); background: rgba(216, 87, 42, .14); }
.ov .badge { position: absolute; left: -27px; top: -2px; min-width: 22px; height: 22px; padding: 0 5px; border-radius: 11px; background: var(--c, var(--p)); color: #fff; font: 700 12px/22px system-ui, sans-serif; text-align: center; box-shadow: 0 1px 3px rgba(0, 0, 0, .25); }
.ov .hidden-tag { position: absolute; left: calc(100% + 6px); top: 50%; transform: translateY(-50%); white-space: nowrap; font: 600 10px/16px system-ui, sans-serif; padding: 0 6px; border-radius: 8px; background: #fff; color: var(--art); border: 1px solid #c9ccd2; }
.t-h { --c: var(--h); }
.t-p { --c: var(--p); }
.t-li { --c: var(--li); }
.t-table { --c: var(--table); }
.t-figure { --c: var(--figure); }
.t-artifact { --c: var(--art); }
.ov.t-artifact { border-style: dashed; background: repeating-linear-gradient(135deg, rgba(123, 132, 146, .10) 0 4px, transparent 4px 8px); }
.ov.t-plain { --c: #8a5a00; border-color: #c9a25e; background: rgba(240, 190, 90, .08); }
.ov.t-plain .badge { background: #a8740f; }
.ov.t-figure.skipped { --c: var(--art); border-style: dashed; }

.side { position: sticky; top: 70px; background: #fff; border: 1px solid var(--line); border-radius: 16px; display: flex; flex-direction: column; max-height: calc(100vh - 86px); min-height: 300px; }
.side-tabs { display: flex; border-bottom: 1px solid var(--line); padding: 0 8px; }
.side-tabs button { border: 0; background: none; padding: 12px 12px 10px; font-weight: 650; color: var(--mute); border-bottom: 2.5px solid transparent; }
.side-tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.count { display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 3px; border-radius: 10px; background: var(--todo-bg); color: var(--todo); font-size: 12px; line-height: 19px; text-align: center; }
.panel { overflow: auto; padding: 12px 14px 18px; }
.keys { margin: 0 0 10px; font-size: 12.5px; color: var(--mute); }
kbd { font: 600 11px ui-monospace, Menlo, Consolas, monospace; background: #f1f0eb; border: 1px solid #dcd9cf; border-bottom-width: 2px; border-radius: 4px; padding: 0 4px; }
.order { list-style: none; margin: 0; padding: 0; }
.pagehead { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--mute); margin: 14px 0 6px; }
.pagehead:first-child { margin-top: 0; }
.item { display: flex; gap: 10px; padding: 9px 10px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; }
.item:hover { background: #faf9f6; }
.item.sel { border-color: var(--c, var(--line)); background: #fff; box-shadow: 0 2px 10px rgba(24, 34, 48, .08); cursor: default; }
.item.speaking { background: #fff3ec; border-color: var(--accent); }
.item.t-artifact .txt { color: var(--mute); text-decoration: line-through; text-decoration-color: rgba(123, 132, 146, .5); }
.order.readonly .item { cursor: default; }
.num { flex: 0 0 24px; height: 24px; border-radius: 12px; background: var(--c, #a8740f); color: #fff; font: 700 12px/24px system-ui, sans-serif; text-align: center; }
.item.t-artifact .num { background: none; }
.item.plain .num { background: #a8740f; }
.item.skipped .num { background: #c9ccd2; }
.body { min-width: 0; flex: 1; }
.chip { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 1px 8px; border-radius: 99px; background: var(--p-bg); color: var(--p); margin-right: 6px; }
.c-h { background: var(--h-bg); color: var(--h); }
.c-li { background: var(--li-bg); color: var(--li); }
.c-table { background: var(--table-bg); color: var(--table); }
.c-figure { background: var(--figure-bg); color: var(--figure); }
.c-artifact { background: #eceef1; color: var(--art); }
.c-plain { background: #fbf0d9; color: #8a5a00; }
.flag { font-size: 11.5px; font-weight: 700; color: var(--todo); }
.txt { margin: 3px 0 0; font-size: 14px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow-wrap: anywhere; }
.item.sel .txt { -webkit-line-clamp: 6; }
.item.t-h .txt { font-weight: 650; }
.why { margin: 2px 0 0; font-size: 12px; color: var(--mute); }
.editor { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.row:first-child { margin-top: 0; }
.tbtn { background: #fff; border: 1px solid #d6d3c9; border-radius: 8px; padding: 5px 10px; font-size: 13px; font-weight: 600; }
.tbtn:hover:not(:disabled) { border-color: var(--ink2); }
.tbtn.on { background: var(--c, var(--ink)); border-color: var(--c, var(--ink)); color: #fff; }
.tbtn:disabled { opacity: .4; cursor: default; }
.move .tbtn { font-weight: 500; }
.editor textarea { width: 100%; border: 1px solid #d6d3c9; border-radius: 8px; padding: 8px 10px; resize: vertical; font-size: 14px; }
.lbl { display: block; font-size: 12.5px; font-weight: 700; margin-bottom: 4px; }
.hint { font-size: 12.5px; color: var(--mute); margin: 5px 0 0; }
.check { display: flex; gap: 6px; align-items: center; font-size: 13.5px; margin-top: 8px; }
.mini { border-collapse: collapse; font-size: 12.5px; width: 100%; }
.mini th, .mini td { border: 1px solid #e3e1da; padding: 3px 6px; text-align: left; }
.mini th { background: var(--table-bg); }

.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 700; font-size: 13.5px; margin-bottom: 4px; }
.field input, .field select { width: 100%; border: 1px solid #d6d3c9; border-radius: 8px; padding: 7px 10px; background: #fff; }
.checks { list-style: none; margin: 6px 0 0; padding: 0; }
.chk { display: flex; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); }
.chk .ico { flex: 0 0 22px; height: 22px; border-radius: 11px; text-align: center; font: 800 12px/22px system-ui; }
.s-ok .ico { background: var(--ok-bg); color: var(--ok); }
.s-todo .ico { background: var(--todo-bg); color: var(--todo); }
.s-info .ico { background: #eceef1; color: var(--ink2); font-style: italic; }
.chk strong { font-size: 14px; }
.chk p { margin: 2px 0 4px; font-size: 13px; color: var(--ink2); overflow-wrap: anywhere; }
.honest { font-size: 12.5px; color: var(--mute); border-top: 1px solid var(--line); padding-top: 10px; margin-bottom: 0; }

.result { border: 0; border-radius: 16px; padding: 22px 24px; max-width: 560px; width: calc(100% - 32px); box-shadow: 0 20px 60px rgba(0, 0, 0, .25); }
.result::backdrop { background: rgba(24, 34, 48, .35); }
.result h2 { margin: 0 0 4px; font-size: 21px; letter-spacing: -.01em; }
.fname2 { margin: 0 0 12px; color: var(--mute); font-size: 13.5px; overflow-wrap: anywhere; }
.facts, .warns { padding-left: 18px; margin: 8px 0; }
.facts li, .warns li { margin: 4px 0; }
.warns { color: #8a3a12; }
.result form { text-align: right; margin-top: 12px; }

.foot { text-align: center; color: var(--mute); font-size: 13px; padding: 26px 22px 34px; }

/* ---------- small screens ---------- */
@media (max-width: 899px) {
  .private-pill { display: none; }
  .top { padding: 10px 14px; gap: 10px; }
  .app { padding: 10px 12px 24px; }
  .features { grid-template-columns: 1fr; margin-top: 36px; }
  .landing { padding-top: 34px; }
  .lede { font-size: 17px; }
  .toolbar .tb-gap { display: none; }
  .seg { width: 100%; }
  .seg button { flex: 1; padding: 8px 6px; }
  .toolbar > .ghost, .toolbar > .primary { flex: 1 1 auto; }
  .mtabs { display: flex; gap: 6px; margin-bottom: 12px; }
  .mtabs button { flex: 1; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 7px 4px; font-weight: 650; font-size: 13.5px; }
  .mtabs button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
  .work { display: block; }
  .app:not([data-panel="pages"]) .pages { display: none; }
  .app[data-panel="pages"] .side { display: none; }
  .side { position: static; max-height: none; }
  .side-tabs { display: none; }
  .ov .badge { min-width: 13px; height: 13px; font-size: 8px; line-height: 13px; left: -12px; top: -6px; border-radius: 7px; padding: 0 2px; box-shadow: 0 0 0 1.5px #fff; }
  .ov .hidden-tag { font-size: 9px; line-height: 13px; padding: 0 4px; }
  .brand span { display: none; }
}
.more { flex: 1 1 260px; font-size: 13px; color: var(--ink2); }
.more summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
.more ul.hint { padding-left: 18px; margin: 4px 0 0; }

/* ---------- landing demo ---------- */
.demo { margin: 34px auto 0; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 22px 24px 24px; }
.demo-title { margin: 0 0 16px; font-size: 21px; letter-spacing: -.01em; }
.demo-grid > *, .demo-side > * { min-width: 0; }
.demo-grid { display: grid; grid-template-columns: minmax(260px, 380px) minmax(0, 1fr); gap: 28px; align-items: start; }
.demo-page { position: relative; background: #fff; border-radius: 4px; box-shadow: 0 1px 2px rgba(0, 0, 0, .08), 0 8px 26px rgba(24, 34, 48, .12); min-height: 200px; overflow: hidden; }
.demo-page canvas { width: 100%; height: 100%; display: block; }
.demo:not(.ready) .demo-page { aspect-ratio: 612 / 792; background: linear-gradient(100deg, #fff 30%, #f1efe9 50%, #fff 70%) 0 0 / 300% 100%; animation: shimmer 1.4s linear infinite; }
@keyframes shimmer { to { background-position: -150% 0; } }
.live-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); margin-right: 4px; vertical-align: 2px; box-shadow: 0 0 0 0 rgba(216, 87, 42, .5); animation: pulse 1.8s ease-out infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 7px rgba(216, 87, 42, 0); } 100% { box-shadow: 0 0 0 0 rgba(216, 87, 42, 0); } }
@media (prefers-reduced-motion: reduce) { .live-dot, .demo:not(.ready) .demo-page { animation: none; } }
.demo-path, .demo-boxes { position: absolute; inset: 0; width: 100%; height: 100%; }
.demo-path polyline { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; opacity: .75; }
.demo[data-phase="after"] .demo-path polyline { stroke: var(--ok); }
.demo-box { position: absolute; border: 1.5px solid #c9a25e; background: rgba(240, 190, 90, .10); border-radius: 3px; transition: box-shadow .2s, background .2s; }
.demo-box span { position: absolute; left: -9px; top: -8px; min-width: 15px; height: 15px; padding: 0 3px; border-radius: 8px; background: #a8740f; color: #fff; font: 700 9px/15px system-ui, sans-serif; text-align: center; box-shadow: 0 0 0 1.5px #fff; }
.demo-box.cur { box-shadow: 0 0 0 3px var(--accent); background: rgba(216, 87, 42, .16); }
.demo[data-phase="after"] .demo-box { border-color: var(--p); background: color-mix(in srgb, var(--p) 7%, transparent); }
.demo[data-phase="after"] .demo-box span { background: var(--p); }
.demo[data-phase="after"] .demo-box.k-h { border-color: var(--h); }
.demo[data-phase="after"] .demo-box.k-h span { background: var(--h); }
.demo[data-phase="after"] .demo-box.k-li { border-color: var(--li); }
.demo[data-phase="after"] .demo-box.k-li span { background: var(--li); }
.demo[data-phase="after"] .demo-box.cur { box-shadow: 0 0 0 3px var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.demo-phase { margin: 4px 0 2px; font-size: 24px; font-weight: 750; letter-spacing: -.02em; color: var(--todo); }
.demo[data-phase="after"] .demo-phase { color: var(--ok); }
.demo-sub { margin: 0 0 16px; color: var(--ink2); font-size: 14.5px; }
.demo-reader { background: #182230; color: #fff; border-radius: 14px; padding: 14px 18px 16px; min-height: 128px; }
.demo-count { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: #9fb0c4; }
.demo-said { margin: 6px 0 0; font-size: 19px; line-height: 1.4; font-family: ui-monospace, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
.demo-verdict { margin: 14px 0 0; padding: 10px 14px; border-radius: 12px; font-weight: 650; background: var(--todo-bg); color: #8a3a12; }
.demo[data-phase="after"] .demo-verdict { background: var(--ok-bg); color: #145c3c; }
.demo-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.demo-sound[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (max-width: 899px) {
  .demo { padding: 16px; margin-top: 34px; }
  .demo-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .demo-side { display: contents; }
  .demo-sub { display: none; }
  .demo-phase { order: 1; font-size: 20px; margin: 0; }
  .demo-reader { order: 2; }
  .demo-verdict { order: 3; margin: 0; font-size: 14px; }
  .demo-page { order: 4; }
  .demo-controls { order: 5; margin-top: 4px; }
  .demo-page { max-width: 420px; width: 100%; margin: 0 auto; }
  .demo-said { font-size: 16px; }
  .demo-reader { min-height: 96px; padding: 10px 14px 12px; }
  .demo-open { flex: 1 1 100%; }
}
.demo-open { white-space: normal; }
/* Wide screens: the demo plays beside the headline, in the first view. */
@media (min-width: 1160px) {
  .landing { max-width: 1240px; padding-top: 30px; }
  .hero-wrap { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 40px; align-items: start; }
  .hero { text-align: left; margin: 0; padding-top: 18px; }
  .hero h1 { font-size: clamp(36px, 3.7vw, 50px); }
  .lede { font-size: 17.5px; margin-left: 0; }
  .sample-line { display: flex; align-items: center; gap: 16px; text-align: left; }
  .sample-btn { flex: none; }
  .sample-line p { margin: 0; font-size: 14px; }
  .load-error { margin-left: 0; }
  .demo { margin: 0; padding: 18px 20px 20px; }
  .demo-title { font-size: 16px; margin-bottom: 12px; color: var(--ink2); }
  .demo-grid { grid-template-columns: min(330px, calc((100vh - 190px) * .773)) minmax(0, 1fr); gap: 20px; }
  .demo-phase { font-size: 21px; margin-top: 0; }
  .demo-sub { font-size: 13.5px; margin-bottom: 12px; }
  .demo-reader { min-height: 150px; padding: 12px 14px 14px; }
  .demo-said { font-size: 16px; }
  .demo-verdict { font-size: 14px; }
  .demo-controls .demo-open { flex: 1 1 100%; }
  .features { margin-top: 44px; }
}
.session-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-top: 10px; font-size: 12px; color: var(--ink2); }
.session-bar .hint { margin: 0; }
.figure-preview { display: block; max-width: 100%; max-height: 240px; width: auto; height: auto; margin: 0 auto 12px; border: 1px solid var(--line); border-radius: 6px; }
.table-scroll { overflow-x: auto; max-width: 100%; }
.table-dialog { width: min(1100px, calc(100% - 24px)); max-height: calc(100dvh - 24px); border: 0; border-radius: 16px; padding: 22px; box-shadow: 0 20px 60px #18223040; }
.table-dialog::backdrop { background: #18223070; }
.table-dialog h2 { margin: 0 0 8px; }
.table-dialog h3 { font-size: 15px; margin: 14px 0 8px; }
.table-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 20px; margin-top: 16px; }
.table-layout > * { min-width: 0; }
.table-stage { display: block; max-width: 100%; height: auto; margin: auto; border: 1px solid var(--line); touch-action: none; cursor: crosshair; }
.table-controls details { margin: 6px 0 12px; font-size: 13px; }
.table-controls summary, .region-choices summary { cursor: pointer; padding: 6px 0; }
.table-count { display: inline-flex; align-items: center; gap: 10px; font-weight: 650; }
.table-count input { width: 70px; padding: 6px; border: 1px solid var(--line); border-radius: 6px; }
.divider-control { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.divider-control input { flex: 1; min-width: 0; }
.table-preview .mini { font-size: 14px; }
.table-preview .hint { color: var(--ink2); line-height: 1.6; }
.table-actions { justify-content: flex-end; margin-top: 18px; }
.region-choices { max-height: 240px; overflow: auto; font-size: 13px; }
@media (max-width: 899px) {
  .table-dialog { padding: 16px; }
  .table-layout { grid-template-columns: minmax(0, 1fr); }
}
/* ---------- read-along ---------- */
.listen { background: var(--accent); color: #fff; border: 1px solid var(--accent); border-radius: 8px; padding: 7px 14px; font-size: 14px; font-weight: 700; white-space: nowrap; }
.listen:hover { background: #bf4719; }
.listen[aria-pressed="true"] { background: #fff; color: var(--accent); }
.reader { position: fixed; z-index: 30; left: 50%; bottom: 14px; transform: translateX(-50%); width: min(820px, calc(100% - 24px)); display: flex; align-items: center; gap: 14px; background: #182230; color: #fff; border-radius: 16px; padding: 12px 14px 12px 18px; box-shadow: 0 12px 40px rgba(24, 34, 48, .35); }
.reader-main { flex: 1; min-width: 0; }
.reader-count { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: #9fb0c4; }
.reader-said { margin: 3px 0 0; font: 16px/1.4 ui-monospace, Menlo, Consolas, monospace; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.reader-note { margin: 6px 0 0; font-size: 12.5px; color: #f8cdb8; }
.reader-ctl { display: flex; gap: 6px; flex: none; }
.reader-ctl button { background: #2a3646; color: #fff; border: 1px solid #3b4a5e; border-radius: 8px; min-width: 38px; height: 38px; padding: 0 10px; font-size: 14px; }
.reader-ctl button:hover:not(:disabled) { background: #364459; }
.reader-ctl button:disabled { opacity: .4; cursor: default; }
.reader-ctl .reader-sound[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); }
@media (max-width: 899px) {
  .reader { flex-direction: column; align-items: stretch; gap: 8px; bottom: 8px; padding: 10px 12px; }
  .reader-said { font-size: 14.5px; -webkit-line-clamp: 2; }
  .reader-ctl button { flex: 1; height: 34px; }
  .reader-ctl .reader-sound { flex: 2; white-space: nowrap; }
  .reader-note { margin-top: 3px; font-size: 12px; }
}
/* ---------- phone editor: fewer controls above the page ---------- */
@media (min-width: 900px) { .narrow-only { display: none !important; } }
@media (max-width: 899px) {
  .wide-only { display: none; }
  .toolbar { gap: 8px; }
  .toolbar > .listen { flex: 1 1 auto; order: 1; }
  .toolbar > #undo { order: 2; }
  .toolbar > #moreTools { order: 3; }
  .toolbar > #exportPdf { order: 4; }
  .toolbar > #makeTable, .toolbar > #exportHtml { order: 5; }
  .app:not(.tools-open) #makeTable, .app:not(.tools-open) #exportHtml, .app:not(.tools-open) .session-bar { display: none; }
  .session-bar .hint { display: none; }
  .banner { padding: 9px 12px; font-size: 14px; margin-top: 10px; }
  .mtabs button { padding: 6px 4px; }
}
.alt-ask-actions { display: flex; justify-content: flex-end; gap: 8px; }
#altAsk h2 { margin: 0 0 8px; }