/* featureos:rich-text-editor@1.0.0 */
/* Rich text editor + read-only prose. Colours come only from the design tokens in styles.css (light, dark, OS dark). */

/* ---- read-only prose (also the editing surface) ------------------------------------------------- */
.rt-doc{font:inherit;color:var(--ink);line-height:1.55;overflow-wrap:anywhere;word-break:break-word}
.rt-doc>:first-child{margin-top:0}.rt-doc>:last-child{margin-bottom:0}
.rt-doc p{margin:0 0 .6em}
.rt-doc h1,.rt-doc h2,.rt-doc h3{margin:.9em 0 .35em;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
.rt-doc h1{font-size:1.45em;font-weight:700}.rt-doc h2{font-size:1.22em;font-weight:680}.rt-doc h3{font-size:1.06em;font-weight:650}
.rt-doc ul,.rt-doc ol{margin:0 0 .6em;padding-left:1.5em}.rt-doc li{margin:.15em 0}.rt-doc li::marker{color:var(--mut)}
.rt-doc blockquote{margin:0 0 .6em;padding:.1em 0 .1em .9em;border-left:3px solid var(--brand-line);color:var(--ink-2)}
.rt-doc blockquote p{margin:0 0 .4em}.rt-doc blockquote>:last-child{margin-bottom:0}
.rt-doc hr{border:0;border-top:1px solid var(--line-strong);margin:1em 0}
.rt-doc a{color:var(--brand);text-underline-offset:3px}.rt-doc a:hover{text-decoration-thickness:2px}
.rt-doc strong{font-weight:680}
.rt-doc code{font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:.88em;background:var(--neutral-soft);color:var(--ink);padding:1px 6px;border-radius:6px}
.rt-doc pre{margin:0 0 .6em;padding:10px 12px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:auto;font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:.88em;line-height:1.5;white-space:pre}
.rt-doc pre code{background:none;padding:0;border-radius:0;font-size:inherit}
/* inline use inside cards/tables: tighter rhythm */
.card .rt-doc p:last-child{margin-bottom:0}

/* ---- the editor frame: a sibling of the app's input/textarea ------------------------------------- */
textarea.rt-source{position:absolute;width:1px;height:1px;min-height:0;margin:0;padding:0;border:0;opacity:0;overflow:hidden;clip-path:inset(50%);pointer-events:none;resize:none}
.rt{position:relative;width:100%;border:1px solid var(--line-strong);border-radius:10px;background:var(--surface);color:var(--ink);transition:border-color .15s,box-shadow .15s}
.rt:hover{border-color:var(--brand-line)}
.rt:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 18%,transparent)}
.rt.is-invalid{border-color:var(--bad)}
.rt.is-disabled{opacity:.6}
.rt-toolbar{display:flex;align-items:center;gap:2px;padding:5px 6px;background:var(--surface-2);border-bottom:1px solid var(--line);border-radius:9px 9px 0 0;overflow-x:auto;scrollbar-width:thin}
.rt-sep{flex:none;width:1px;height:20px;margin:0 5px;background:var(--line-strong)}
.rt-btn{flex:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:32px;height:32px;padding:0 6px;border:1px solid transparent;border-radius:8px;background:none;color:var(--ink-2);font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background .12s,color .12s,border-color .12s}
.rt-btn:hover{background:var(--neutral-soft);color:var(--ink)}
.rt-btn[aria-pressed=true]{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand)}
.rt-btn[aria-disabled=true]{opacity:.4;cursor:not-allowed}
.rt-btn-wide{padding:0 10px 0 8px;margin-left:2px}
.rt-btn:focus-visible,.rt-mini:focus-visible{outline:3px solid var(--focus);outline-offset:1px}
.rt-ic{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.rt-blockbtn{flex:none;display:inline-flex;align-items:center;justify-content:space-between;gap:8px;min-width:126px;height:32px;padding:0 9px 0 11px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.rt-blockbtn:hover{border-color:var(--brand-line)}.rt-blockbtn[aria-expanded=true]{border-color:var(--brand)}.rt-blockbtn .rt-chev{width:14px;height:14px;color:var(--mut)}
.rt-blockbtn:focus-visible{outline:3px solid var(--focus);outline-offset:1px}
.rt-blockmenu{width:180px}.rt-blockmenu .rt-opt{padding:8px 10px}.rt-blockmenu .rt-opt[data-cur=true] strong::after{content:" \2713";color:var(--brand)}

.rt-editor{min-height:calc(var(--rt-rows,3)*1.55em + 18px);max-height:min(60vh,520px);overflow:auto;padding:9px 12px;outline:none;caret-color:var(--brand);cursor:text}
.rt-editor::selection,.rt-editor ::selection{background:var(--brand-line);color:var(--ink)}
.rt-editor pre{white-space:pre-wrap}
.rt-editor a{cursor:text}
.rt-editor.is-empty>p:first-child::before{content:var(--rt-ph,"");color:var(--mut);opacity:.8;pointer-events:none;float:left;height:0}
.rt-editor[aria-invalid=true]{box-shadow:inset 0 0 0 0}
.rt-foot{display:flex;justify-content:space-between;gap:12px;padding:5px 12px 6px;border-top:1px solid var(--line);font-size:12px;color:var(--mut);font-variant-numeric:tabular-nums}
.rt-limit[data-state=near]{color:var(--warn);font-weight:600}
.rt-limit[data-state=over]{color:var(--bad);font-weight:700}
.rt-limit[data-flash]{animation:rt-flash .4s}
.rt-msg{padding:0 12px 6px;font-size:12.5px;color:var(--bad)}.rt-msg:empty{display:none}
.rt-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* ---- popovers (top layer: stay above <dialog>.showModal()) ------------------------------------- */
.rt-pop{position:fixed;inset:auto;left:0;top:0;margin:0;padding:6px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow-2);overflow:visible;font:inherit;font-size:14px;z-index:400;max-width:calc(100vw - 16px)}
.rt-pop[hidden]{display:none}
.rt-fmt{gap:2px;padding:4px}
.rt-fmt:popover-open,.rt-fmt:not([popover]):not([hidden]){display:flex}
.rt-slash{width:300px;padding:6px 6px 4px}
.rt-list{max-height:min(280px,50vh);overflow:auto}
.rt-opt{display:flex;align-items:center;gap:11px;padding:7px 9px;border-radius:8px;cursor:pointer}
.rt-opt[aria-selected=true]{background:var(--brand-soft);outline:1px solid var(--brand-line)}
.rt-key{display:grid;place-items:center;flex:none;width:30px;height:30px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);color:var(--ink-2);font-size:12px;font-weight:700}
.rt-opt[aria-selected=true] .rt-key{color:var(--brand);border-color:var(--brand-line)}
.rt-opt-t{display:grid;gap:0;line-height:1.3}.rt-opt-t strong{font-size:13.5px;font-weight:600}.rt-opt-t em{font-style:normal;font-size:12px;color:var(--mut)}
.rt-none{padding:10px;color:var(--mut);font-size:13px}
.rt-pop-foot{display:flex;flex-wrap:wrap;gap:4px 12px;margin:4px 0 0;padding:7px 6px 3px;border-top:1px solid var(--line);font-size:11.5px;color:var(--mut)}
.rt-pop-foot kbd{padding:0 5px;border:1px solid var(--line-strong);border-bottom-width:2px;border-radius:5px;background:var(--surface-2);font:600 10.5px ui-monospace,Consolas,monospace;color:var(--ink-2)}
.rt-linkpop{width:min(340px,calc(100vw - 16px));padding:12px}
.rt-f{margin-bottom:10px}.rt-f label{display:block;margin-bottom:5px;font-size:12px;font-weight:600;color:var(--ink-2)}
.rt-hint{margin:5px 0 0;font-size:12px;color:var(--mut)}.rt-hint code{font-size:.9em}
.rt-linkpop input[aria-invalid]{border-color:var(--bad)}
.rt-err{margin:0 0 8px;font-size:12.5px;color:var(--bad)}.rt-err:empty{display:none}
.rt-pop-actions{display:flex;align-items:center;gap:6px}.rt-grow{flex:1}
.rt-mini{min-height:32px;padding:5px 12px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.rt-mini:hover{border-color:var(--brand-line)}
.rt-mini[hidden]{display:none}
.rt-go{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.rt-go:hover{border-color:var(--brand);filter:brightness(1.08)}
.rt-remove{color:var(--bad)}

@keyframes rt-flash{50%{transform:translateX(2px)}}
@media (max-width:760px){
  .rt-toolbar{flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .rt-slash{width:min(300px,calc(100vw - 16px))}
}
@media (prefers-reduced-motion:reduce){.rt,.rt-btn{transition:none}.rt-limit[data-flash]{animation:none}}