/* realm-ui.css: shared dense app layout for Realm apps (Ara, 16 Oct 2026).
   Grok-style shell: slim top bar, left rail (desktop) / tab strip (phone), dense centre list, composer pinned at the bottom.
   Load AFTER css/ara-theme.css. Markup:
   <body class="rui">
     <header class="rui-top"><span class="rui-mark"></span><b class="rui-title">App</b><nav class="nav">links…</nav></header>
     <div class="rui-shell"><aside class="rui-rail"><button class="rui-tab on" data-k="all">All <i>0</i></button>…</aside>
       <main class="rui-main"><div class="rui-status" id="msg"></div><div class="rui-list" id="out"></div></main></div>
     <form class="rui-composer"><div class="rui-box"><input><button class="rui-ib">mic</button><button class="rui-send">Go</button></div></form>
   Rows: .rui-row (or .card inside .rui-list) with .rui-t title, .rui-m meta, .rui-x clamped excerpt. */
:root{--rui-top:48px;--rui-rail:208px;--rui-comp:68px;--rui-ac:var(--ara-accent,#22d3ee);--rui-ink:var(--ara-ink,#e6f7fb);--rui-mute:var(--ara-mute,#a9c1cc);--rui-line:rgba(148,197,214,.14);--rui-row:rgba(8,24,36,.55);--rui-rowh:rgba(14,40,58,.75)}
body.rui{margin:0;padding:0;color:var(--rui-ink);font:14px/1.4 "Inter","SF Pro Text",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.rui *{box-sizing:border-box}
/* top bar */
.rui-top{justify-content:flex-start;position:sticky;top:0;z-index:50;height:calc(var(--rui-top) + env(safe-area-inset-top));padding:env(safe-area-inset-top) 10px 0 calc(10px + env(safe-area-inset-left));display:flex;align-items:center;gap:8px;background:rgba(2,6,12,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--rui-line)}
.rui-mark{width:24px;height:24px;flex:none;border-radius:6px;background:var(--ara) center/contain no-repeat}
.rui-title{font-size:14px;font-weight:600;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.rui-top .nav{margin:0 0 0 auto;max-width:none;display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.rui-top .nav a{color:var(--rui-mute);font-size:13px;letter-spacing:0;text-decoration:none;padding:8px 8px;border-radius:8px;white-space:nowrap}
.rui-top .nav a:hover,.rui-top .nav a:focus-visible{color:#fff;background:rgba(255,255,255,.06)}
.rui #rlPill{margin-right:4px!important;padding:5px 9px 5px 8px;min-height:28px;background:rgba(15,23,42,.9)}
.rui #araSave{height:30px;margin-left:4px}
@media(max-width:560px){.rui #rlPill.ok{font-size:0;gap:0;padding:5px 8px}.rui #araSave{font-size:0;gap:0;padding:0 9px;letter-spacing:0}.rui-top .nav a{padding:8px 6px}}
/* shell */
.rui-shell{display:flex;align-items:stretch;min-height:calc(100vh - var(--rui-top))}
.rui-rail{position:sticky;top:var(--rui-top);align-self:flex-start;width:var(--rui-rail);flex:none;height:calc(100vh - var(--rui-top) - var(--rui-comp));overflow:auto;padding:10px 8px;border-right:1px solid var(--rui-line);display:flex;flex-direction:column;gap:2px}
.rui-tab{all:unset;box-sizing:border-box;display:flex;align-items:center;gap:8px;min-height:36px;padding:6px 10px;border-radius:8px;color:var(--rui-mute);font-size:13px;cursor:pointer;white-space:nowrap}
.rui-tab i{font-style:normal;margin-left:auto;font-size:11px;color:var(--rui-mute);background:rgba(255,255,255,.06);border-radius:999px;padding:1px 7px;min-width:22px;text-align:center}
.rui-tab:hover,.rui-tab:focus-visible{background:rgba(255,255,255,.05);color:#fff}
.rui-tab.on{background:rgba(34,211,238,.12);color:#fff}.rui-tab.on i{color:#cffafe;background:rgba(34,211,238,.2)}
.rui-rail h3{font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--rui-mute);margin:14px 10px 4px}
.rui-src{display:flex;flex-direction:column;gap:2px;padding:0 10px}
.rui-src span{font-size:12px;color:var(--rui-mute);display:flex;align-items:center;gap:6px;line-height:1.35}
.rui-src span::before{content:"";width:6px;height:6px;border-radius:50%;background:#52525b;flex:none}
.rui-src span.live{color:#cffafe}.rui-src span.live::before{background:#22c55e}.rui-src span.no::before{background:#71717a}
.rui-main{flex:1;min-width:0;padding:8px 14px calc(var(--rui-comp) + 24px + env(safe-area-inset-bottom));max-width:1100px}
.rui-status{color:var(--rui-mute);font-size:12.5px;min-height:18px;margin:2px 2px 6px}
/* dense list rows */
.rui-list h2{position:sticky;top:var(--rui-top);z-index:2;margin:10px 0 0;padding:6px 4px;font-size:10.5px;font-weight:600;letter-spacing:.16em;color:var(--rui-mute);background:rgba(3,10,18,.94);border-bottom:1px solid var(--rui-line)}
.rui-list .card,.rui-row{position:relative;display:block;margin:0;padding:7px 84px 7px 10px;border:0;border-bottom:1px solid var(--rui-line);border-left:2px solid transparent;border-radius:0;background:transparent;overflow-wrap:anywhere;font-size:13.5px;line-height:1.38}
.rui-list .card:hover,.rui-row:hover{background:var(--rui-rowh)}
.rui-list .card.reg{border-left-color:#22d3ee}.rui-list .card.ev{border-left-color:#e6f7fb}.rui-list .card.file{border-left-color:#a1a1aa}.rui-list .card.wa{border-left-color:#22c55e}
.rui-t{display:block;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rui-t a,.rui-list a{color:#67e8f9;text-decoration:none}.rui-list a:hover{text-decoration:underline}
.rui-m{display:block;color:var(--rui-mute);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rui-x{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:#d4e4ea;font-size:12.5px;white-space:normal}
.rui-x.open{-webkit-line-clamp:unset;display:block;white-space:pre-line}
.rui-list .card .am{position:absolute;top:6px;right:8px;min-height:30px;height:30px;min-width:0;margin:0;padding:0 10px;font-size:12px;border-radius:8px;border:1px solid rgba(148,197,214,.25);background:transparent;color:var(--rui-mute)}
.rui-list .card .am:hover{color:#fff;border-color:var(--rui-ac)}
.rui-list .card .amb{margin:6px -76px 2px 0}
.rui-list .card .amd{font-size:12px;color:#67e8f9;margin-top:2px}
.rui-list .err{margin:8px 0;padding:10px;border-radius:10px;background:#140808;border:1px solid #3f1d1d;color:#fecaca}
.rui-list[data-k="reg"] section:not([data-k="reg"]),.rui-list[data-k="ev"] section:not([data-k="ev"]),.rui-list[data-k="file"] section:not([data-k="file"]),.rui-list[data-k="wa"] section:not([data-k="wa"]),.rui-list[data-k="inv"] section:not([data-k="inv"]){display:none}
/* composer pinned at the bottom (Grok style) */
.rui-composer{position:fixed;left:var(--rui-rail);right:0;bottom:0;z-index:60;padding:8px 14px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(180deg,rgba(2,6,12,0),rgba(2,6,12,.94) 30%);margin:0}
.rui-box{display:flex;align-items:center;gap:4px;max-width:860px;margin:0 auto;min-height:52px;padding:5px 5px 5px 14px;border-radius:26px;border:1px solid rgba(148,197,214,.28);background:#0b141c;box-shadow:0 6px 24px rgba(0,0,0,.45)}
.rui-box:focus-within{border-color:var(--rui-ac)}
.rui-box input{flex:1;min-width:0;min-height:40px;border:0;outline:0;background:transparent;color:#fff;font:inherit;font-size:15px;padding:0}
.rui-ib,.rui-send{all:unset;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;flex:none;width:42px;height:42px;border-radius:50%;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.rui-ib{color:var(--rui-mute)}.rui-ib:hover,.rui-ib:focus-visible{background:rgba(255,255,255,.07);color:#fff}
.rui-ib svg{width:22px;height:22px}
.rui-ib.on{background:rgba(34,211,238,.16);color:#22d3ee;box-shadow:0 0 0 3px rgba(34,211,238,.22)}
.rui-send{background:#fff;color:#000;font-weight:700;font-size:13px}
.rui-send:hover,.rui-send:focus-visible{background:#cffafe}
.rui-send.busy{background:#22d3ee;animation:ruiB 1s infinite}@keyframes ruiB{50%{opacity:.55}}
/* phone: rail becomes a tab strip under the top bar, composer full width */
@media(max-width:899px){
 .rui-shell{display:block}
 .rui-rail{position:sticky;top:calc(var(--rui-top) + env(safe-area-inset-top));z-index:40;width:auto;height:auto;flex-direction:row;gap:4px;padding:6px 10px;overflow-x:auto;overflow-y:hidden;border-right:0;border-bottom:1px solid var(--rui-line);background:rgba(2,6,12,.92);scrollbar-width:none}
 .rui-rail::-webkit-scrollbar{display:none}
 .rui-tab{min-height:32px;padding:4px 10px;border:1px solid var(--rui-line);border-radius:999px;flex:none}
 .rui-rail h3,.rui-rail .rui-src{display:none}
 .rui-list h2{top:calc(var(--rui-top) + 45px + env(safe-area-inset-top))}
 .rui-main{padding:6px 8px calc(var(--rui-comp) + 24px + env(safe-area-inset-bottom))}
 .rui-composer{left:0;padding:6px 8px calc(8px + env(safe-area-inset-bottom))}
}
/* Ara helper button: compact, sits in the top bar instead of floating over the list */
.rui-ara{all:unset;box-sizing:border-box;display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px 0 4px;border-radius:999px;border:1px solid rgba(34,211,238,.55);color:#e6fbff;font-size:11px;font-weight:600;letter-spacing:.12em;cursor:pointer;flex:none}
.rui-ara .rui-mark{width:22px;height:22px;border-radius:50%}
.rui-ara:hover,.rui-ara:focus-visible{background:rgba(34,211,238,.1)}
@media(max-width:560px){
 .rui-ara{font-size:0;gap:0;padding:0 3px}
 .rui-list .card,.rui-row{padding-right:48px}
 .rui-list .card .am{width:34px;padding:0;font-size:0}
 .rui-list .card .am::before{content:"\270E";font-size:15px}
 .rui-list .card .amb{margin-right:-40px}
}
/* v2 additions (Notes etc.): generic sections, textarea composer, wide send, ticks, hidden helper */
.rui-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rui-list section[hidden]{display:none!important}
.rui-box textarea{flex:1;min-width:0;min-height:40px;max-height:30vh;border:0;outline:0;background:transparent;color:#fff;font:inherit;font-size:15px;line-height:1.4;padding:10px 0;resize:none;border-radius:0}
.rui-box:has(textarea){align-items:flex-end;border-radius:22px}
.rui-send.wide{width:auto;padding:0 16px;border-radius:21px}
.rui-cmsg{max-width:860px;margin:0 auto 4px;padding:0 10px;font-size:12px;color:var(--rui-mute);min-height:0}
.rui-cmsg:empty{display:none}
.rui-list ul{list-style:none;margin:0;padding:0}
.rui-list li{display:flex;gap:10px;align-items:flex-start;padding:7px 8px;border-bottom:1px solid var(--rui-line)}
.rui-list li:hover{background:var(--rui-rowh)}
.rui-list li .b{flex:1;min-width:0}
.rui-list li .t{font-weight:600;font-size:13.5px;color:#fff;overflow-wrap:anywhere}
.rui-list li .n{font-size:12px;color:var(--rui-mute);white-space:pre-line;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;cursor:pointer}
.rui-list li .n.open{display:block;-webkit-line-clamp:unset}
.rui-list li.d .t{text-decoration:line-through;color:var(--rui-mute)}
.rui-list .tick{flex:0 0 26px;width:26px;height:26px;min-width:26px;min-height:26px;border-radius:50%;border:1.5px solid #52525b;background:transparent;color:#000;font-size:14px;padding:0;margin:1px 0 0;cursor:pointer}
.rui-list .tick.d{background:var(--rui-ac);border-color:var(--rui-ac)}
.rui-list .x{flex:none;border:0;background:none;color:var(--rui-mute);font-size:18px;width:32px;height:32px;min-width:32px;min-height:32px;padding:0;border-radius:8px;cursor:pointer}
.rui-list .x:hover{color:#fff;background:rgba(255,255,255,.06)}
.rui-note{font-size:12px;color:var(--rui-mute);border-left:2px solid var(--rui-ac);padding:4px 8px;margin:6px 0;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}
.rui-note.open{white-space:normal}
.rui-links{display:flex;flex-direction:column;gap:2px;padding:0 4px}
.rui-links a,.rui-links button{all:unset;box-sizing:border-box;display:flex;align-items:center;min-height:32px;padding:4px 10px;border-radius:8px;font-size:12.5px;color:#67e8f9;cursor:pointer}
.rui-links a:hover,.rui-links button:hover{background:rgba(255,255,255,.05)}
.rui-inline-links{display:none;gap:6px;flex-wrap:wrap;margin:8px 0}
.rui-inline-links a,.rui-inline-links button{all:unset;box-sizing:border-box;font-size:12px;color:#67e8f9;padding:6px 10px;border:1px solid var(--rui-line);border-radius:999px;cursor:pointer}
@media(max-width:899px){.rui-rail .rui-links{display:none}.rui-inline-links{display:flex}}
.rui-head2{display:flex;align-items:center;gap:8px}