:root{--paper:#f6f3eb;--ink:#17303b;--muted:#5e6e73;--rust:#b94f2a;--rust-dark:#9c3e20;--line:#d9dfd1;--green:#e8eee0;--card:#fffdf7;--field:#fffefa;--excerpt:#f1eee5;--flag:rgba(229,170,92,.35);--active:rgba(185,79,42,.4)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 Arial,Helvetica,sans-serif}
a{color:inherit}
a:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible,input:focus-visible,summary:focus-visible,.editor:focus-visible{outline:3px solid var(--rust);outline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}button:disabled{cursor:default;opacity:.45}
code{font-size:.9em;background:var(--excerpt);padding:1px 5px;border-radius:3px}
h1,h2,h3{font-family:Georgia,serif;font-weight:400;line-height:1.15;letter-spacing:-.5px;margin-top:0}
p{margin-top:0}
.wrap{max-width:1280px;margin:auto;padding:0 32px}
header.site{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:13px;font-weight:bold;letter-spacing:1.6px;line-height:1.5}
.brand img{width:43px;height:43px}.brand small{display:block;font-size:8px;letter-spacing:1.5px}
nav{display:flex;gap:22px;font-size:12px;flex-wrap:wrap}nav a{text-decoration:none}nav a:hover{text-decoration:underline}
.eyebrow{font-size:10px;font-weight:bold;letter-spacing:1.7px;text-transform:uppercase}
.eyebrow:before{content:'';display:inline-block;vertical-align:middle;width:25px;height:2px;background:var(--rust);margin-right:10px}
.intro{padding:44px 0 26px;max-width:820px}
.intro h1{font-size:clamp(38px,5.4vw,64px);margin:18px 0}
.intro h1 em{color:var(--rust);font-style:italic}
.intro p{color:var(--muted);font-size:17px;max-width:680px}

.checker{display:grid;grid-template-columns:minmax(0,3fr) minmax(280px,1fr);gap:24px;align-items:start;padding-bottom:40px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
.results-panel{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto}
.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:16px}
.field-label{display:block;font-size:10px;letter-spacing:1px;font-weight:bold;margin:0 0 6px}
select,input[type=number],textarea{width:100%;border:1px solid #c6cec3;border-radius:6px;background:var(--field);padding:9px 10px;font-size:14px}
.editor-bar{display:flex;justify-content:space-between;align-items:end;gap:10px}
.editor-tools{display:flex;gap:8px;margin-bottom:6px}
.ghost{background:none;border:1px solid #c4cec0;border-radius:5px;padding:5px 10px;font-size:12px}
.ghost:hover{background:var(--green)}
.editor{min-height:max(520px,68vh);max-height:85vh;resize:vertical;overflow:auto;border:1px solid #c6cec3;border-radius:8px;background:var(--field);padding:16px 18px;font:17px/1.65 Georgia,serif;white-space:pre-wrap;overflow-wrap:anywhere}
.editor p{margin:0 0 .8em}.editor h3{font:700 19px/1.4 Georgia,serif;margin:0 0 .6em;letter-spacing:0}
.editor .cell{border-left:3px solid var(--line);padding-left:8px}
.editor.is-empty:before{content:attr(data-placeholder);color:#8b968f;pointer-events:none;display:block}
::highlight(copy-flag){background-color:var(--flag)}
::highlight(copy-active){background-color:var(--active);color:inherit}
.note{font-size:12px;line-height:1.6;color:var(--muted);margin:10px 0 0}
.primary{display:block;width:100%;padding:14px;background:var(--rust);border:1px solid var(--rust);border-radius:6px;color:#fff;font-size:15px;font-weight:bold;margin-top:18px}
.primary:hover{background:var(--rust-dark)}
details.settings{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin-top:16px}
details summary{cursor:pointer;font-size:13px;font-weight:bold}
.settings .row{display:flex;gap:8px;align-items:center;margin:12px 0 0;font-size:13px}
.settings input[type=checkbox]{accent-color:#426b56;width:16px;height:16px}
.settings .field-label{margin-top:16px}
.settings textarea{font:13px/1.7 ui-monospace,Menlo,monospace;resize:vertical}
.settings p{font-size:12px;color:var(--muted);margin:9px 0 0}

.status{border-radius:6px;padding:10px 12px;margin:0 0 14px;font-size:13px;background:#e9eee2;color:#345943}
.status.error{background:#fae5d7;color:#944224}
.empty{padding:26px 20px;background:var(--green);border:1px dashed #c8d1bc;border-radius:10px}
.empty .meta{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.2px;border-bottom:1px solid #ccd5bf;padding-bottom:12px;margin-bottom:18px}
.empty h2{font-size:28px;margin-bottom:10px}.empty p{font-size:14px;color:var(--muted);margin:0}
.small-empty{margin-top:4px}.small-empty h2{font-size:22px}
.summary{padding:4px 0 12px}
.summary-top{display:flex;gap:14px;align-items:center;margin-bottom:6px}
.number{font:44px/1 Georgia,serif;letter-spacing:-1px}
.summary-top strong{font-size:14px}.summary-top span{font-size:12px;color:var(--muted);display:block;margin-top:2px}
.summary p{font-size:12px;color:var(--muted);margin:0}
.tabs{display:flex;gap:20px;border-bottom:1px solid var(--line);margin:0 0 14px}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:10px 0;color:var(--muted);font-size:13px}
.tabs button[aria-selected=true]{border-color:var(--rust);color:var(--ink);font-weight:bold}
.filter{margin-bottom:12px}
.card{background:var(--field);border:1px solid var(--line);border-left:4px solid #b87952;border-radius:8px;margin-bottom:12px;padding:14px}
.card.grammar{border-left-color:#698b98}.card.structure{border-left-color:#798b67}.card.caption{border-left-color:#a07bb0}.card.verify{border-left-color:#c9a23d}
.card .meta{display:flex;justify-content:space-between;gap:8px;font-size:10px;letter-spacing:.5px;text-transform:uppercase;color:#8b4c2e;margin-bottom:7px}
.card h3{font:bold 15px/1.35 Arial,Helvetica,sans-serif;letter-spacing:0;margin-bottom:8px}
.quote{background:#eee8d9;padding:3px 6px;display:inline-block;border-radius:3px;color:#775b2e;font-size:10px;margin-bottom:8px}
.excerpt{font:16px/1.55 Georgia,serif;padding:8px 10px;background:var(--excerpt);border-radius:4px;overflow-wrap:anywhere;white-space:pre-wrap;margin:0 0 9px}
.reason{font-size:13px;color:var(--muted);line-height:1.6;margin:0 0 6px}
.source{font-size:11px;color:#7b857f;margin-bottom:10px}
.locate{border:1px solid #c4cec0;border-radius:5px;background:#edf1e7;padding:6px 10px;font-size:12px}
.locate:hover:not(:disabled){background:#e0e8d9}
#reset-caption-styles{margin-bottom:12px}
.para{padding:13px;background:var(--field);border:1px solid var(--line);border-radius:8px;margin-bottom:10px}
.para-top{display:flex;justify-content:space-between;gap:8px;font-size:10px;letter-spacing:.5px;margin-bottom:8px}
.para-top strong{color:#426b56;text-transform:uppercase}
.para p{font:15px/1.6 Georgia,serif;color:#586c6a;overflow-wrap:anywhere;margin:10px 0 9px}
.para p.note,.para p.reason{font:12px/1.6 Arial,Helvetica,sans-serif}
.para .field-label{margin-top:10px}

.guide{padding:40px 0 10px;border-top:1px solid var(--line)}
.guide h2{font-size:clamp(30px,4vw,40px);margin:14px 0 18px}
.guide h3{font-size:24px;margin:26px 0 12px}
.guide li,.guide p{color:var(--muted);font-size:15px}
.guide li{margin-bottom:8px}.guide ol,.guide ul{padding-left:22px}
.guide strong{color:var(--ink)}
.lead-in{max-width:820px}
.small{font-size:13px!important}
.columns{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:10px}
.columns article{padding:22px;background:var(--card);border:1px solid var(--line);border-radius:10px}
.columns article>span{font:italic 17px Georgia,serif;color:var(--rust);display:block;margin-bottom:14px}
.columns h3{margin:0 0 10px;font-size:23px}.columns p{font-size:14px;margin:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.plain-list{list-style:none;padding:0!important}
.plain-list li{border-bottom:1px solid var(--line);padding:10px 0;margin:0}
.plain-list strong{display:block}
.rule-groups details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:12px}
.rule-groups summary{font:20px Georgia,serif}
.rule-groups ul{list-style:none;padding:0!important;margin:12px 0 0;columns:2;column-gap:32px}
.rule-groups li{break-inside:avoid;font-size:14px;border-bottom:1px solid var(--line);padding:8px 0;margin:0}
.rule-groups li strong{display:block;font-size:14px}
.rule-groups li em{font-style:normal;font-size:11px;color:#8b4c2e;white-space:nowrap}
.rule-extra{margin-top:0!important}
.pill{display:inline-block;font:bold 9px/1 Arial,sans-serif;letter-spacing:.6px;text-transform:uppercase;color:#7a5a12;background:#f4e6bf;border-radius:10px;padding:3px 7px;vertical-align:2px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:11px;letter-spacing:1px;text-transform:uppercase}
td:first-child{font-weight:bold;white-space:nowrap}
tr:last-child td{border-bottom:0}
td{color:var(--muted)}td:first-child{color:var(--ink)}
.callout{padding:26px 30px;background:var(--ink);color:#fffcf4;border-radius:12px;margin:40px 0}
.callout h2{margin:0 0 10px;font-size:28px}.callout p{font-size:14px;margin:0;color:#e6ece9}.callout a{color:#f1c38b}
.sources{padding-bottom:30px}
.policy{max-width:760px;padding:46px 0 40px}
.policy h1{font-size:clamp(38px,5vw,52px);margin:18px 0}
.policy p,.policy li{color:var(--muted);font-size:15px}
.policy h2{font-size:27px;margin-top:28px}
.policy .date{font-size:12px;color:#76826e}
.policy .lead{font:21px/1.5 Georgia,serif;color:var(--ink);margin-bottom:26px}
footer{border-top:1px solid var(--line);padding:24px 0 32px;display:flex;flex-wrap:wrap;gap:16px 25px;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted)}
footer a{text-decoration:none}footer a:hover{text-decoration:underline}
.footer-links{display:flex;flex-wrap:wrap;gap:17px}
.skip{position:absolute;left:10px;top:-80px;background:#fff;padding:10px;z-index:5}.skip:focus{top:10px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);padding:0;border:0;margin:-1px}
[hidden]{display:none!important}
@media(max-width:900px){
 .editor{min-height:380px;max-height:70vh}
 .checker{grid-template-columns:1fr}
 .results-panel{position:static;max-height:none}
 .columns,.two-col{grid-template-columns:1fr}
 .two-col{gap:0}
 .rule-groups ul{columns:1}
}
@media(max-width:600px){
 .wrap{padding:0 16px}
 header.site{flex-wrap:wrap;gap:14px}
 nav{width:100%;gap:16px}
 .panel{padding:16px}
 .editor{min-height:260px;font-size:16px;padding:14px}
 .intro{padding-top:30px}
 td:first-child{white-space:normal}
 th,td{padding:10px 12px}
 .callout{padding:22px}
}