:root{
  --paper:#F2EEE4; --paper-2:#E8E2D3; --paper-3:#DDD5C2; --card:#FBF9F4;
  --ink:#15140F; --ink-2:#3B3A33; --mute:#5F5B50;
  --signal:#E4472B; --signal-ink:#A82E17; --live:#1F7A4D;
  --rule:rgba(21,20,15,.16); --rule-strong:rgba(21,20,15,.8);
  --f-display:"Fraunces",Georgia,serif;
  --f-body:"Inter Tight",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bar-h:56px; --rail-w:88px; --tab-h:64px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--paper);color:var(--ink);font:400 1rem/1.55 var(--f-body);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
button,input,textarea{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:50}
.skip:focus{left:8px}
.muted{color:var(--mute);margin:0}
[hidden]{display:none!important}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 18px;border:1.5px solid var(--ink);background:transparent;cursor:pointer;text-decoration:none;font-weight:600;border-radius:2px;transition:background .15s var(--ease),color .15s var(--ease)}
.btn--ink{background:var(--ink);color:var(--paper)}
.btn--ink:hover{background:var(--ink-2)}
.btn--line:hover,.btn--ghost:hover{background:var(--paper-2)}
.btn--ghost{border-color:transparent;font-weight:500}
.btn--sm{min-height:36px;padding:0 12px;font-size:.875rem}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* top bar */
.bar{height:var(--bar-h);display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1.5px solid var(--ink);background:var(--paper);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:600 1.125rem var(--f-display)}
.brand img{border-radius:6px}
.bar__end{display:flex;gap:8px;align-items:center}
.is-pro #pro-open{background:var(--live);border-color:var(--live);color:#fff}

/* shell */
.shell{display:grid;grid-template-columns:var(--rail-w) 1fr;height:calc(100dvh - var(--bar-h))}
.rail{display:flex;flex-direction:column;gap:4px;padding:10px 8px;border-right:1.5px solid var(--rule);background:var(--paper-2)}
.rail__btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;border:0;background:transparent;cursor:pointer;border-radius:8px;font-size:.75rem;font-weight:500;color:var(--ink-2);text-align:center;line-height:1.2}
.rail__btn svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.rail__btn:hover{background:var(--paper-3)}
.rail__btn[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.rail__btn--soon{cursor:not-allowed;color:var(--mute);opacity:.7}
.rail__btn--soon:hover{background:transparent}
.rail__btn small{display:block;font-size:.6875rem}

.work{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);min-height:0}
.pane{display:flex;flex-direction:column;min-height:0;padding:16px 20px}
.pane--editor{border-right:1.5px solid var(--rule)}
.pane--out{overflow:auto;background:var(--card)}
.pane__head{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.pane__title{font:600 1.25rem var(--f-display);margin:0}
.tools{display:flex;flex-wrap:wrap;gap:2px}
#editor{flex:1;min-height:240px;width:100%;resize:none;border:1.5px solid var(--ink);background:var(--card);padding:16px;font-size:1.0625rem;line-height:1.65;border-radius:2px}
#editor:focus-visible{outline-offset:0}
.pane__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px}
.count{margin:0;color:var(--mute);font-size:.875rem;font-variant-numeric:tabular-nums}

.label{font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--mute);margin:18px 0 8px}
.hint{text-transform:none;letter-spacing:0;font-weight:400}
.lede{margin:0 0 12px;color:var(--ink-2)}
.status{margin:10px 0 0;min-height:1.5em;color:var(--ink-2)}
.small{font-size:.8125rem;color:var(--mute)}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}

/* score */
.score{display:flex;gap:16px;align-items:center;padding:14px 16px;border:1.5px solid var(--ink);background:var(--paper)}
.score__num{font:600 2.5rem/1 var(--f-display);font-variant-numeric:tabular-nums;min-width:4.2ch}
.score__num small{font-size:1rem;color:var(--mute)}
.score__label{margin:0;font-weight:600}
.score__note{margin:0;color:var(--ink-2);font-size:.9375rem}
.score.good .score__num{color:var(--live)}
.score.bad .score__num{color:var(--signal-ink)}

/* highlighted copy */
.hl{white-space:pre-wrap;word-wrap:break-word;line-height:1.75;padding:14px 16px;border:1.5px solid var(--rule);background:var(--paper);max-height:42vh;overflow:auto}
.mk{font:inherit;color:inherit;background:#FFD9CC;border:0;border-bottom:2px solid var(--signal);padding:0 1px;margin:0;cursor:pointer;border-radius:0;line-height:inherit;display:inline;white-space:pre-wrap;text-align:left}
.mk:hover,.mk[aria-expanded="true"]{background:#FFB9A3}
.why{margin-top:12px;padding:12px 14px;border:1.5px solid var(--ink);background:var(--paper);box-shadow:4px 4px 0 var(--ink)}
.why h3{margin:0 0 4px;font-size:1rem}
.why p{margin:0 0 8px}
.why .sugg{font-weight:600}
.why .row{margin-top:6px}

.tells,.swaps,.hist{list-style:none;margin:0;padding:0}
.tells li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--rule)}
.tells .n{font-variant-numeric:tabular-nums;color:var(--mute);white-space:nowrap}
.tells .ok{color:var(--live);font-weight:600;border:0}

/* humanize */
.opts{border:0;padding:0;margin:0 0 12px;display:grid;gap:8px}
.opts label{display:flex;align-items:center;gap:10px;min-height:36px;cursor:pointer}
.opts input{width:20px;height:20px;accent-color:var(--ink)}
.tag{font-size:.6875rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:2px 6px;border:1px solid var(--live);color:var(--live)}
.tag--pro{border-color:var(--signal-ink);color:var(--signal-ink)}
.tag--on{border-color:var(--live);color:var(--live)}
.swaps li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--rule);font-size:.9375rem}
.swaps .arrow{color:var(--mute);padding:0 4px}
.diff{white-space:pre-wrap;word-wrap:break-word;line-height:1.75;padding:14px 16px;border:1.5px solid var(--rule);background:var(--paper)}
.diff del{background:#F6C7BC;color:#6B1A0B;text-decoration:line-through;margin-right:3px}
.diff ins{background:#C9E8D5;color:#0E3F25;text-decoration:none}
.dashcount{font:600 1.125rem var(--f-display);margin:4px 0 12px}

/* history */
.hist li{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--rule)}
.hist .hs{font:600 1.25rem var(--f-display);min-width:3ch;font-variant-numeric:tabular-nums}
.hist .ht{margin:0;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.9375rem}
.hist .hd{margin:0;font-size:.8125rem;color:var(--mute)}
.hist .ha{display:flex;gap:2px}

/* dialog */
.dlg{max-width:480px;width:calc(100% - 32px);border:1.5px solid var(--ink);background:var(--paper);color:var(--ink);padding:24px;box-shadow:6px 6px 0 var(--ink)}
.dlg::backdrop{background:rgba(21,20,15,.45)}
.dlg h2{font:600 1.5rem var(--f-display);margin:0 0 6px}
.dlg__x{float:right;margin:-8px -8px 0 0}
.dlg input{flex:1;min-width:180px;min-height:44px;padding:0 12px;border:1.5px solid var(--ink);background:var(--card)}
.dlg .label{display:block}

/* mobile: rail turns into a bottom tab bar */
@media (max-width:767px){
  .shell{display:block;height:auto}
  .rail{position:fixed;left:0;right:0;bottom:0;z-index:30;flex-direction:row;justify-content:space-around;gap:0;padding:4px 4px calc(4px + env(safe-area-inset-bottom));border-right:0;border-top:1.5px solid var(--ink);height:auto}
  .rail__btn{flex:1;padding:6px 2px;font-size:.6875rem;min-height:52px}
  .rail__btn small{display:inline;font-size:.625rem}
  .work{display:block;padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 12px)}
  .pane{padding:14px 14px}
  .pane--editor{border-right:0;border-bottom:1.5px solid var(--rule)}
  #editor{min-height:220px;height:38vh;font-size:16px}
  .hl{max-height:none}
  .brand span{font-size:1rem}
  .why{scroll-margin-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 24px)}
  .bar{padding:0 12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}
@media (hover:none){.btn--ink:hover{background:var(--ink)}.btn--line:hover,.btn--ghost:hover,.rail__btn:not([aria-pressed="true"]):hover{background:transparent}}