/* Text Compare keeps its own palette. This sheet loads after shared/style.css,
   so equal-specificity rules here win by source order. */
:root{
  --bg:#f5f4f1; --panel:#ffffff; --ink:#1c1c1e; --muted:#6c6c72; --line:#e2e0db; --line-soft:#efede9; --hover:#f3f2ee; --gutter:#faf9f7;
  --accent:#2f5bd3; --accent-ink:#fff; --ring:rgba(47,91,211,.18);
  --del-bg:#fcdedc; --del-ink:#a01d17; --del-tint:#fdf5f4;
  --ins-bg:#d3f2dc; --ins-ink:#0e5e27; --ins-tint:#f2faf4;
  --rep-bg:#e6ebfb; --rep-ink:#2a4aa8; --fmt-bg:#ecebe7; --fmt-ink:#55555b;
  --cur:#e8a50c; --cur-bg:rgba(232,165,12,.14);
  --ok-bg:#e7f5ec; --ok-ink:#17613a; --ok-line:#c6e6d2;
  --hatch:rgba(0,0,0,.06);
  --serif: Charter,"Bitstream Charter","Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme: light;
}
/* Follows the Snackbox theme toggle (data-theme on <html>) rather than the OS setting. */
:root[data-theme="dark"]{
  --bg:#141416; --panel:#1d1d20; --ink:#ececef; --muted:#9b9ba3; --line:#323237; --line-soft:#28282c; --hover:#26262a; --gutter:#1a1a1d;
  --accent:#7c9dff; --accent-ink:#0c1224; --ring:rgba(124,157,255,.25);
  --del-bg:rgba(248,81,73,.24); --del-ink:#ffb3ad; --del-tint:rgba(248,81,73,.06);
  --ins-bg:rgba(46,160,67,.28); --ins-ink:#a6ecb4; --ins-tint:rgba(46,160,67,.07);
  --rep-bg:rgba(124,157,255,.18); --rep-ink:#b9caff; --fmt-bg:#2c2c31; --fmt-ink:#b4b4bb;
  --cur:#f0b429; --cur-bg:rgba(240,180,41,.16);
  --ok-bg:rgba(46,160,67,.14); --ok-ink:#9fe0b0; --ok-line:rgba(46,160,67,.3);
  --hatch:rgba(255,255,255,.05);
  color-scheme: dark;
}
/* Snackbox nav and theme toggle pick up this page's palette in both themes. */
:root{
  --color-bg:var(--bg); --color-bg-secondary:var(--panel); --color-text:var(--ink);
  --color-text-secondary:var(--muted); --color-border:var(--line);
  --color-accent:var(--accent); --color-accent-hover:var(--accent);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--sans)}
button{font:inherit;color:inherit}
.wrap{max-width:1360px;margin:0 auto;padding:0 20px}

/* Header */
.top{padding:22px 0 14px;display:flex;align-items:flex-start;gap:12px 20px;flex-wrap:wrap;justify-content:space-between}
h1{font-size:22px;margin:0;letter-spacing:-.01em}
.sub{color:var(--muted);margin:3px 0 0;font-size:14px}
.privacy{position:relative}
.privacy summary{list-style:none;display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--ok-bg);color:var(--ok-ink);font-size:13px;font-weight:600;border:1px solid var(--ok-line);cursor:pointer;user-select:none}
.privacy summary::-webkit-details-marker{display:none}
.privacy[open] summary{border-bottom-left-radius:8px;border-bottom-right-radius:8px}
.privacy .pop{position:absolute;right:0;top:calc(100% + 8px);z-index:20;width:min(360px,86vw);background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13.5px;box-shadow:0 10px 30px rgba(0,0,0,.14)}
.privacy .pop p{margin:0 0 8px}.privacy .pop p:last-child{margin:0}

/* Inputs */
.inputs{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch}
.inputs[hidden]{display:none}
.pane{background:var(--panel);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;overflow:hidden;transition:border-color .15s,box-shadow .15s;min-width:0}
.pane:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--ring)}
.pane.drag{border-color:var(--accent);box-shadow:0 0 0 3px var(--ring);background:var(--hover)}
.pane-head{display:flex;align-items:center;gap:6px;padding:8px 8px 8px 14px;border-bottom:1px solid var(--line)}
.pane-head label{font-weight:650;display:flex;align-items:center;gap:8px}
.dot{width:10px;height:10px;border-radius:3px;display:inline-block}
.dot.a{background:var(--del-ink)}.dot.b{background:var(--ins-ink)}
.spacer{flex:1}
textarea{border:0;outline:0;resize:vertical;min-height:180px;height:260px;padding:14px 16px;font:16px/1.6 var(--serif);background:transparent;color:inherit;width:100%;display:block}
textarea::placeholder{color:var(--muted);font-family:var(--sans);font-size:14px}
.count{color:var(--muted);font-size:12.5px;padding:6px 14px;border-top:1px solid var(--line-soft);font-variant-numeric:tabular-nums}
.swapcol{display:flex;align-items:center;justify-content:center}

.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:13.5px;line-height:1.2;white-space:nowrap}
.btn:hover{background:var(--hover)}
.btn:focus-visible,.seg button:focus-visible,.foldbtn:focus-visible,.item button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn.ghost:hover{color:var(--ink);background:var(--hover)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600;padding:8px 14px}
.btn.primary:hover{filter:brightness(1.07);background:var(--accent)}
.btn.round{width:38px;height:38px;justify-content:center;padding:0;border-radius:50%}
.btn svg{width:16px;height:16px;flex:none}
kbd{font:600 10.5px var(--sans);border:1px solid currentColor;border-radius:4px;padding:0 4px;opacity:.7}

/* Options */
.options{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin:12px 0;padding:10px 14px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
.optlbl{font-size:13px;color:var(--muted);margin-right:6px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;padding:2px;background:var(--bg)}
.seg button{border:0;background:transparent;padding:5px 11px;border-radius:7px;cursor:pointer;font-size:13.5px;color:var(--muted)}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--panel);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.14);font-weight:600}
.chk{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;cursor:pointer;user-select:none}
.chk input{accent-color:var(--accent);width:16px;height:16px;margin:0;padding:0}
/* shared/style.css removes the outline from every focused input; keep a keyboard ring on checkboxes. */
.chk input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.grow{flex:1}

/* Results */
.results{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:48px}
.toolbar{position:sticky;top:0;z-index:10;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--panel);border-radius:12px 12px 0 0}
.toolbar[hidden]{display:none}
.stats{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:12.5px;padding:3px 9px;border-radius:999px;background:var(--bg);border:1px solid var(--line);white-space:nowrap;font-variant-numeric:tabular-nums}
.chip.del{background:var(--del-bg);color:var(--del-ink);border-color:transparent}
.chip.ins{background:var(--ins-bg);color:var(--ins-ink);border-color:transparent}
/* Previous/next controls. Not called .nav, which is the Snackbox site nav. */
.jump{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.counter{font-size:13px;color:var(--muted);min-width:6.5em;text-align:center;font-variant-numeric:tabular-nums}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;padding:10px 20px;border-bottom:1px solid var(--line-soft);font-size:13px;color:var(--muted)}
.legend del,.legend ins{font-size:13px}
.notice{margin:14px 20px 0;padding:10px 14px;border-radius:10px;font-size:14px;background:var(--bg);border:1px solid var(--line)}
.notice.ok{background:var(--ok-bg);color:var(--ok-ink);border-color:var(--ok-line)}

.doc{font:17px/1.7 var(--serif);padding:22px 28px 34px}
.doc.inline{max-width:88ch;margin:0 auto}
.blk{white-space:pre-wrap;overflow-wrap:anywhere;min-height:1.7em}
.inline .blk.d{margin-left:-15px;padding-left:12px;border-left:3px solid var(--cur)}

del,ins{border-radius:3px;padding:1px 1px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
del{background:var(--del-bg);color:var(--del-ink);text-decoration:line-through;text-decoration-thickness:1.5px}
ins{background:var(--ins-bg);color:var(--ins-ink);text-decoration:none}
del.ws,ins.ws{font-family:var(--sans);font-weight:700;text-decoration:none;padding:0 3px}
.pil{opacity:.75;font-family:var(--sans)}
.chg{border-radius:4px;cursor:pointer;scroll-margin:140px}
.chg:hover del,.chg:hover ins{filter:saturate(1.4)}
.chg.cur{outline:2px solid var(--cur);outline-offset:2px;background:var(--cur-bg)}
.chg.flash{animation:flash .9s ease}
@keyframes flash{0%{box-shadow:0 0 0 6px var(--cur-bg)}100%{box-shadow:0 0 0 0 transparent}}
.caret{display:inline-block;width:2px;height:1.05em;vertical-align:-.15em;background:var(--muted);margin:0 2px;border-radius:1px;opacity:.7}

/* Side by side */
.side{font:16px/1.65 var(--serif)}
.srow{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line-soft)}
.srow.head{position:sticky;top:var(--tbh,0px);z-index:4;background:var(--panel);font:600 13px/1 var(--sans);border-bottom:1px solid var(--line)}
.srow.head>div{padding:10px 14px 10px calc(3.2em + 14px);display:flex;align-items:center;gap:8px}
.srow.head>div+div{border-left:1px solid var(--line)}
.cell{display:grid;grid-template-columns:3.2em 1fr;min-width:0}
.cell+.cell{border-left:1px solid var(--line)}
.ln{font:11.5px var(--sans);line-height:calc(16px * 1.65);padding-top:5px;color:var(--muted);text-align:right;padding-right:10px;user-select:none;background:var(--gutter);font-variant-numeric:tabular-nums}
.tx{white-space:pre-wrap;overflow-wrap:anywhere;padding:5px 14px;min-height:calc(1.65em + 10px);min-width:0}
.srow.d .cell:first-child{background:var(--del-tint)}
.srow.d .cell:last-child{background:var(--ins-tint)}
.cell.void .tx{background:repeating-linear-gradient(135deg,transparent 0 7px,var(--hatch) 7px 8px)}

/* Folding */
.fold{margin:8px 0}
.side .fold{margin:0;padding:6px 10px;border-bottom:1px solid var(--line-soft)}
.foldbtn{display:block;width:100%;border:1px dashed var(--line);background:var(--bg);color:var(--muted);font:13px var(--sans);padding:6px;border-radius:8px;cursor:pointer}
.foldbtn:hover{color:var(--ink);background:var(--bg)}
.fold .hid:not([hidden]){margin-top:6px}

/* List */
.listhead{display:flex;align-items:center;gap:10px;padding:12px 20px;border-bottom:1px solid var(--line-soft);font-size:13.5px;color:var(--muted)}
.list{list-style:none;margin:0;padding:0 0 8px}
.item button{display:grid;grid-template-columns:2.4em 8.2em 1fr;gap:10px;width:100%;text-align:left;border:0;border-radius:0;background:transparent;padding:11px 20px;cursor:pointer;align-items:baseline;border-bottom:1px solid var(--line-soft)}
.item button:hover{background:var(--hover)}
.item.cur button{background:var(--cur-bg)}
.num{color:var(--muted);font:12px var(--sans);font-variant-numeric:tabular-nums;text-align:right}
.badge{font:650 10.5px var(--sans);text-transform:uppercase;letter-spacing:.05em;padding:3px 7px;border-radius:5px;justify-self:start;white-space:nowrap}
.badge.rep{background:var(--rep-bg);color:var(--rep-ink)}
.badge.del{background:var(--del-bg);color:var(--del-ink)}
.badge.ins{background:var(--ins-bg);color:var(--ins-ink)}
.badge.fmt{background:var(--fmt-bg);color:var(--fmt-ink)}
.ctx{font:16px/1.6 var(--serif);overflow-wrap:anywhere;min-width:0}
.ctx .fade{color:var(--muted)}

.empty{padding:44px 24px;text-align:center;color:var(--muted)}
.empty h2{font-size:17px;color:var(--ink);margin:0 0 6px}
.empty p{margin:0 0 16px}

.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--panel);padding:10px 16px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;max-width:90vw;z-index:50;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

@media (max-width:760px){
  .wrap{padding:0 12px}
  .inputs{grid-template-columns:1fr}
  .swapcol .btn.round svg{transform:rotate(90deg)}
  textarea{height:180px}
  .doc{padding:16px 18px 26px}
  .inline .blk.d{margin-left:-11px;padding-left:8px}
  .cell{grid-template-columns:1fr}
  .ln{display:none}
  .srow.head>div{padding-left:12px}
  .tx{padding:5px 10px}
  .side{font-size:15px}
  .jump{margin-left:0}
  .item button{grid-template-columns:2em 1fr;padding:10px 12px}
  .item .ctx{grid-column:2}
}
@media print{
  body{background:#fff}
  .nav,.privacy,.inputs,.options,.jump,.btn,.legend span.hint{display:none!important}
  .toolbar{position:static}
  .results{border:0}
  .hid[hidden]{display:block!important}
  .foldbtn{display:none}
}
@media (prefers-reduced-motion: reduce){ *{animation:none!important;transition:none!important} }