/* Omansgate — TOOT AI Solutions brand (maroon #841244, IBM Plex). Logical properties throughout for RTL. */
:root{
  --brand:#841244;--brand-dark:#5E0D31;--brand-ink:#841244;--brand-tint:#F4E8EE;--brand-tint-2:#EADCE3;
  --ink:#25232A;--muted:#5B6672;--line:#E6E1E4;--line-soft:#EEEAEC;--bg:#FFFFFF;--side:#F7F5F6;--hover:#EFE9EC;
  --field:#EFEBED;--card:#FFFFFF;--bubble-user:#F4E8EE;--bubble-ai:#FFFFFF;--code-bg:#F5F3F4;
  --ok:#176B46;--ok-bg:#E6F4EC;--warn:#7A5100;--warn-bg:#FDF1E3;--bad:#B42332;--bad-bg:#FDECEA;
  --shadow:0 4px 18px rgba(37,35,42,.06);--chip:#FFFFFF;
  --font:"IBM Plex Sans","IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-ar:"IBM Plex Sans Arabic","IBM Plex Sans",system-ui,"Segoe UI",Tahoma,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --brand-ink:#F2A7C6;--brand-tint:#3A1A2A;--brand-tint-2:#4A2034;
  --ink:#EDEAF0;--muted:#A9A3B0;--line:#2E2934;--line-soft:#2A2530;--bg:#16141A;--side:#1D1A21;--hover:#2A2530;
  --field:#26222B;--card:#1F1C24;--bubble-user:#3A1A2A;--bubble-ai:#1F1C24;--code-bg:#121015;
  --ok:#7FE0AE;--ok-bg:#173326;--warn:#F2C46B;--warn-bg:#3A2C12;--bad:#FF9AA2;--bad-bg:#3D1A1E;
  --shadow:none;--chip:#F5F3F4;color-scheme:dark;
}}
:root[data-theme="dark"]{
  --brand-ink:#F2A7C6;--brand-tint:#3A1A2A;--brand-tint-2:#4A2034;
  --ink:#EDEAF0;--muted:#A9A3B0;--line:#2E2934;--line-soft:#2A2530;--bg:#16141A;--side:#1D1A21;--hover:#2A2530;
  --field:#26222B;--card:#1F1C24;--bubble-user:#3A1A2A;--bubble-ai:#1F1C24;--code-bg:#121015;
  --ok:#7FE0AE;--ok-bg:#173326;--warn:#F2C46B;--warn-bg:#3A2C12;--bad:#FF9AA2;--bad-bg:#3D1A1E;
  --shadow:none;--chip:#F5F3F4;color-scheme:dark;
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
html[lang="ar"] body{font-family:var(--font-ar);font-size:16px;line-height:1.75}
a{color:var(--brand-ink)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-ink);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:8px;top:-60px;background:var(--brand);color:#fff;padding:8px 12px;border-radius:8px;z-index:50}
.skip:focus{top:8px}
.muted{color:var(--muted)}.small{font-size:13px}
[hidden]{display:none!important}
.ic{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
[dir="rtl"] .flip-rtl{transform:scaleX(-1)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:0 14px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;text-decoration:none;font-weight:500;transition:background .15s,border-color .15s}
.btn:hover{background:var(--hover)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn.ghost{background:transparent}
.btn.small{min-height:36px;padding:0 10px;font-size:14px}
.btn.block{width:100%;min-height:48px}
.btn:disabled{opacity:.45;cursor:default}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer;text-decoration:none;flex:none}
.icon-btn:hover:not(:disabled){background:var(--hover);color:var(--ink)}
.icon-btn:disabled{opacity:.4;cursor:default}
.icon-btn.on{color:var(--brand-ink)}

/* brand */
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-width:0}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--brand);display:inline-flex;align-items:center;justify-content:center;flex:none}
.brand-mark .gate{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round}
.brand-mark.big{width:52px;height:52px;border-radius:14px}.brand-mark.big .gate{width:30px;height:30px}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-text b{font-size:18px;font-weight:700}
.brand-text small{font-size:12px;color:var(--muted);white-space:nowrap}
.toot{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.toot-chip{display:inline-flex;padding:3px 8px;border-radius:6px;background:var(--chip)}
.toot-chip img{height:15px;width:auto;display:block}

/* ---------- chat app ---------- */
.page-chat{overflow:hidden}
.app{display:flex;height:100vh;height:100dvh}
.sidebar{flex:0 0 280px;width:280px;min-width:0;display:flex;flex-direction:column;background:var(--side);border-inline-end:1px solid var(--line);padding:14px 12px;min-height:0}
.side-head{display:flex;align-items:center;justify-content:space-between;padding:2px 6px 14px}
.new-chat{justify-content:flex-start;min-height:44px;width:100%}
.new-chat kbd{margin-inline-start:auto;font-family:var(--mono);font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:1px 5px}
.search{display:flex;align-items:center;gap:8px;margin-top:10px;padding:0 12px;min-height:40px;border-radius:10px;background:var(--field);color:var(--muted)}
.search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink)}
.history{flex:1;overflow-y:auto;margin:14px -4px 0;padding:0 4px;display:flex;flex-direction:column;gap:1px;min-height:0}
.history h3{font-size:12px;font-weight:600;color:var(--muted);margin:12px 10px 4px}
.history h3:first-child{margin-top:2px}
.history .empty{font-size:13px;color:var(--muted);padding:8px 10px}
.conv{position:relative;display:flex;align-items:center;border-radius:8px}
.conv a{flex:1;min-width:0;display:block;padding:8px 10px;color:var(--ink);text-decoration:none;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:8px}
.conv:hover{background:var(--hover)}
.conv.active{background:var(--brand-tint-2)}
.conv .conv-menu{opacity:0;width:32px;height:32px}
.conv:hover .conv-menu,.conv.active .conv-menu,.conv .conv-menu:focus-visible{opacity:1}
.conv input{flex:1;min-width:0;margin:3px;padding:5px 8px;border:1px solid var(--brand-ink);border-radius:6px;background:var(--bg);font-size:14px}
.menu-pop{position:absolute;inset-inline-end:4px;top:36px;z-index:20;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.14);padding:4px;min-width:150px;display:flex;flex-direction:column}
.menu-pop button{display:flex;align-items:center;gap:8px;border:0;background:transparent;padding:9px 10px;border-radius:7px;cursor:pointer;text-align:start;font-size:14px}
.menu-pop button:hover{background:var(--hover)}
.menu-pop .danger{color:var(--bad)}
.side-foot{border-top:1px solid var(--line);padding-top:10px;display:flex;align-items:center;gap:6px}
.me{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-tint);color:var(--brand-ink);display:inline-flex;align-items:center;justify-content:center;font-weight:600;flex:none}
.me-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.me-text b{font-weight:500;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me-text small{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-actions{display:flex}
.side-actions form{margin:0}

.main{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0}
.topbar{display:flex;align-items:center;gap:10px;flex-wrap:nowrap;padding:10px 20px;border-bottom:1px solid var(--line-soft);min-height:62px}
.chat-title{margin:0;font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40ch;flex:0 1 auto;min-width:0}
.status{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:500;background:var(--field);color:var(--muted);white-space:nowrap}
.status-dot{width:8px;height:8px;border-radius:50%;background:currentColor}
.status[data-state="ok"]{background:var(--ok-bg);color:var(--ok)}
.status[data-state="ok"] .status-dot{animation:og-pulse 2.2s infinite}
.status[data-state="busy"],.status[data-state="loading"]{background:var(--warn-bg);color:var(--warn)}
.status[data-state="offline"]{background:var(--bad-bg);color:var(--bad)}
@keyframes og-pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,currentColor 45%,transparent)}70%{box-shadow:0 0 0 7px transparent}100%{box-shadow:0 0 0 0 transparent}}
.status-sub{font-size:13px;color:var(--muted);white-space:nowrap}
.top-actions{margin-inline-start:auto;display:flex;align-items:center;gap:6px}
.lang-toggle{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink);font-size:14px}
.lang-toggle:hover{background:var(--hover)}
#theme .i-sun{display:none}
:root[data-theme="dark"] #theme .i-sun{display:block}:root[data-theme="dark"] #theme .i-moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) #theme .i-sun{display:block}:root:not([data-theme="light"]) #theme .i-moon{display:none}}

.messages{flex:1;overflow-y:auto;padding:24px 20px 12px;min-height:0;scroll-behavior:smooth}
.thread{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
.day{align-self:center;font-size:12px;color:var(--muted);padding:2px 10px;border-radius:999px;background:var(--field)}
.msg{display:flex;flex-direction:column;gap:4px;max-width:100%}
.msg.user{align-items:flex-end}
.msg.user .bubble{max-width:82%;background:var(--bubble-user);padding:11px 16px;border-radius:18px 18px 4px 18px;white-space:pre-wrap;overflow-wrap:anywhere}
[dir="rtl"] .msg.user .bubble{border-radius:18px 18px 18px 4px}
.msg-meta{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}
.msg.ai{flex-direction:row;gap:12px;align-items:flex-start}
.ai-avatar{width:32px;height:32px;flex:none;border-radius:50%;border:1px solid var(--line);background:var(--card);display:inline-flex;align-items:center;justify-content:center}
.ai-avatar .gate{width:17px;height:17px;fill:none;stroke:var(--brand-ink);stroke-width:2;stroke-linecap:round}
.ai-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.ai-name{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.ai-name b{font-weight:600;font-size:14px}
.msg.ai .bubble{background:var(--bubble-ai);border:1px solid var(--line-soft);padding:12px 18px;border-radius:4px 18px 18px 18px;overflow-wrap:anywhere;width:fit-content;max-width:100%}
[dir="rtl"] .msg.ai .bubble{border-radius:18px 4px 18px 18px}
.msg.ai.streaming .bubble>:last-child::after{content:"";display:inline-block;width:8px;height:1.05em;margin-inline-start:2px;vertical-align:text-bottom;background:var(--brand-ink);animation:og-caret 1s steps(2) infinite}
@keyframes og-caret{50%{opacity:0}}
.msg-actions{display:flex;gap:2px;color:var(--muted);opacity:.85}
.msg-actions .icon-btn{width:34px;height:34px}
.msg-actions .icon-btn.on{color:var(--brand-ink)}
.note{font-size:12px;color:var(--warn);background:var(--warn-bg);padding:2px 8px;border-radius:999px}
.note.bad{color:var(--bad);background:var(--bad-bg)}
.typing{display:inline-flex;gap:6px;align-items:center;padding:16px 18px!important}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--brand-ink);animation:og-bounce 1.2s infinite ease-in-out}
.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}
@keyframes og-bounce{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}
.queued{font-size:13px;color:var(--muted)}
.error-box{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:var(--bad-bg);color:var(--bad);padding:10px 14px;border-radius:12px;font-size:14px}

/* markdown inside answers */
.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}
.md p{margin:0 0 10px}
.md h1,.md h2,.md h3,.md h4{margin:16px 0 8px;line-height:1.3}
.md h1{font-size:20px}.md h2{font-size:18px}.md h3{font-size:16px}.md h4{font-size:15px}
.md ul,.md ol{margin:0 0 10px;padding-inline-start:22px}
.md li{margin:3px 0}
.md blockquote{margin:0 0 10px;padding:4px 14px;border-inline-start:3px solid var(--brand-tint-2);color:var(--muted)}
.md code{font-family:var(--mono);font-size:.88em;background:var(--code-bg);padding:1px 5px;border-radius:5px}
.md pre{position:relative;margin:0 0 10px;background:var(--code-bg);border:1px solid var(--line-soft);border-radius:10px;overflow:auto;direction:ltr;text-align:left}
.md pre code{display:block;padding:34px 14px 12px;background:none;font-size:13px;line-height:1.5;white-space:pre}
.md .code-head{position:absolute;inset-inline:0;top:0;display:flex;justify-content:space-between;align-items:center;padding:4px 6px 0 12px;font-size:12px;color:var(--muted);font-family:var(--mono)}
.md .code-head button{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:12px;padding:4px 8px;border-radius:6px}
.md .code-head button:hover{background:var(--hover);color:var(--ink)}
.md .table-wrap{overflow-x:auto;margin:0 0 10px}
.md table{border-collapse:collapse;font-size:14px}
.md th,.md td{border:1px solid var(--line);padding:6px 10px;text-align:start;vertical-align:top}
.md th{background:var(--field);font-weight:600}
.md hr{border:0;border-top:1px solid var(--line);margin:14px 0}

.welcome{max-width:720px;margin:6vh auto 0;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;padding:0 8px}
.welcome h2{margin:12px 0 0;font-size:26px;font-weight:600}
.welcome p{margin:0 0 18px}
.suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%}
.suggestion{text-align:start;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--card);cursor:pointer;line-height:1.5;font-size:14px;min-height:44px}
.suggestion:hover{border-color:var(--brand-ink);background:var(--hover)}

.composer-wrap{padding:6px 20px 14px;padding-bottom:max(14px,env(safe-area-inset-bottom))}
.composer{max-width:800px;margin:0 auto;display:flex;align-items:flex-end;gap:6px;border:1px solid var(--line);border-radius:24px;padding:6px;padding-inline-start:8px;background:var(--card);box-shadow:var(--shadow);transition:border-color .15s}
.composer:focus-within{border-color:var(--brand-ink)}
.composer textarea{flex:1;border:0;outline:none;resize:none;background:transparent;padding:10px 4px;min-height:44px;max-height:240px;line-height:1.5;font-size:15px;color:var(--ink)}
.composer .icon-btn{width:44px;height:44px;border-radius:50%}
.send{width:44px;height:44px;flex:none;border:0;border-radius:50%;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,opacity .15s}
.send:hover:not(:disabled){background:var(--brand-dark)}
.send:disabled{opacity:.35;cursor:default}
.send svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.send .i-stop{display:none;fill:#fff;stroke:none;width:16px;height:16px}
.send.stop .i-send{display:none}.send.stop .i-stop{display:block}
.composer-foot{max-width:800px;margin:8px auto 0;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted)}

.toast{position:fixed;bottom:96px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:8px 16px;border-radius:999px;font-size:14px;z-index:60}

.only-mobile{display:none}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:29}
@media (max-width:1100px){.status-sub{display:none}}
@media (max-width:860px){
  .only-mobile{display:inline-flex}
  .sidebar{position:fixed;inset-block:0;inset-inline-start:0;width:min(86vw,300px);z-index:30;transform:translateX(-105%);transition:transform .2s ease;box-shadow:0 0 30px rgba(0,0,0,.2)}
  [dir="rtl"] .sidebar{transform:translateX(105%)}
  .sidebar.open{transform:none!important}
  .topbar{padding:8px 10px;gap:6px;min-height:56px}
  .chat-title{flex:1;font-size:15px;max-width:none;min-width:0}
  .status-sub,.hide-sm,.lang-toggle,.new-chat kbd{display:none}
  .status{padding:3px 9px;font-size:12px}
  .messages{padding:16px 12px 8px}
  .msg.user .bubble{max-width:88%}
  .ai-avatar{display:none}
  .composer-wrap{padding:6px 10px 10px}
  .composer-foot{justify-content:center;text-align:center}
  .composer-foot>span:first-child{display:none}
  .suggestions{grid-template-columns:1fr}
  .welcome{margin-top:3vh}.welcome h2{font-size:22px}
  .conv .conv-menu{opacity:1}
}
@media (max-width:420px){.status-text{display:none}.status{padding:6px}}

/* ---------- login ---------- */
.login{display:flex;flex-wrap:wrap;min-height:100vh}
.login-hero{flex:1 1 480px;background:#5E0D31;color:#fff;padding:48px 56px;display:flex;flex-direction:column;justify-content:space-between;gap:40px}
.login-logo{display:flex;align-items:center;gap:12px;font-size:22px}
.login-logo .brand-mark{background:#fff}.login-logo .brand-mark .gate{stroke:#841244}
.login-copy{max-width:540px;display:flex;flex-direction:column;gap:16px}
.login-copy h1{margin:0;font-size:clamp(30px,4vw,44px);line-height:1.2;font-weight:700}
.login-copy .alt{text-align:match-parent;margin:0;font-size:clamp(20px,2.4vw,26px);font-weight:600;color:#F6E3EC;line-height:1.6}
.login-copy .lead{margin:0;font-size:17px;color:#F0D6E2}
.toot.on-dark{color:#F0D6E2;font-size:13px}.toot.on-dark .toot-chip{background:#fff;padding:6px 12px;border-radius:8px}.toot.on-dark img{height:20px}
.login-form{flex:1 1 420px;display:flex;align-items:center;justify-content:center;padding:40px 24px}
.login-box{width:100%;max-width:380px;display:flex;flex-direction:column;gap:18px}
.login-box h2{margin:0;font-size:26px}
.login-box .foot{border-top:1px solid var(--line);padding-top:14px;margin:0}
.lang-link{text-decoration:none;font-weight:500}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}
.stack{display:flex;flex-direction:column;gap:14px}
.stack label,.row-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}
.stack label.check{flex-direction:row;align-items:center;gap:8px;font-weight:400;min-height:40px}
.check input{width:18px;height:18px;accent-color:var(--brand)}
input:not([type=checkbox]):not([type=search]),select{min-height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink)}
input:disabled{opacity:.6}
.alert{margin:0;padding:10px 14px;border-radius:10px;font-size:14px}
.alert.ok{background:var(--ok-bg);color:var(--ok)}.alert.bad{background:var(--bad-bg);color:var(--bad)}.alert.warn{background:var(--warn-bg);color:var(--warn)}
@media (max-width:860px){.login-hero{padding:32px 24px;min-height:auto;gap:28px}.login-form{padding:32px 20px}}

/* ---------- simple pages ---------- */
.page{display:flex;flex-direction:column;min-height:100vh}
.page-top{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:12px 24px;border-bottom:3px solid var(--brand)}
.page-nav{margin-inline-start:auto;display:flex;align-items:center;gap:16px}
.page-nav a{text-decoration:none}
.page-nav form{margin:0}
.page-main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:24px;display:flex;flex-direction:column;gap:18px}
.page-main h1{margin:0;font-size:24px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h2{margin:0 0 14px;font-size:17px}
.card.narrow{max-width:460px;margin:40px auto;width:100%}.center{text-align:center}
.row-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.row-form label{flex:1 1 180px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:start;font-weight:500;color:var(--muted);font-size:13px;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:10px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
tr.off td{opacity:.5}
.row-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.row-actions form{margin:0}
code.secret{font-family:var(--mono);font-size:16px;background:var(--card);padding:2px 8px;border-radius:6px;user-select:all}
.page-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding:16px 24px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.messages{scroll-behavior:auto}}

/* ---------- attachments ---------- */
.tray{max-width:800px;margin:0 auto 8px;display:flex;flex-wrap:wrap;gap:8px}
.file-chip{display:inline-flex;align-items:center;gap:8px;max-width:280px;padding:6px 8px 6px 10px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink)}
.file-chip .ic{color:var(--brand-ink)}
.fc-text{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.fc-text b{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fc-text small{font-size:11.5px;color:var(--muted)}
.file-chip.reading .ic{animation:og-blink 1s infinite}
.file-chip.failed{border-color:var(--bad);background:var(--bad-bg)}.file-chip.failed small{color:var(--bad)}
@keyframes og-blink{50%{opacity:.3}}
.fc-x{border:0;background:transparent;color:var(--muted);width:28px;height:28px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:none}
.fc-x:hover{background:var(--hover);color:var(--ink)}.fc-x .ic{width:15px;height:15px;color:inherit}
.msg-files{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end;max-width:82%}
.msg-files .file-chip{background:var(--bubble-user);border-color:transparent}
.dropzone{position:fixed;inset:12px;z-index:40;border:2px dashed var(--brand-ink);border-radius:20px;background:color-mix(in srgb,var(--bg) 85%,transparent);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;color:var(--brand-ink);pointer-events:none}
.md .ln{display:block}
.msg.user .bubble{unicode-bidi:plaintext}

/* ---------- privacy / terms ---------- */
.prose{max-width:760px;line-height:1.7}
.prose h1{font-size:24px;margin:0 0 12px}.prose h2{font-size:17px;margin:20px 0 6px}
.prose ul{padding-inline-start:22px}.prose li{margin:4px 0}

/* page header never pushes its buttons off screen */
.page-top{flex-wrap:wrap;row-gap:8px}
.page-nav{flex-wrap:wrap;row-gap:6px;min-width:0}
.page-main,.page-top,.page-foot{max-width:100vw}

/* admin: password options */
.row-form label.check.inline{flex:0 0 auto;flex-direction:row;align-items:center;gap:8px;font-weight:400;min-height:46px}
.set-pw{position:relative}
.set-pw summary{list-style:none}.set-pw summary::-webkit-details-marker{display:none}
.set-pw-form{position:absolute;inset-inline-end:0;top:44px;z-index:10;width:300px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:0 10px 30px rgba(0,0,0,.12);display:flex;flex-direction:column;gap:10px;text-align:start}
.set-pw-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500}
.set-pw-form label.check{flex-direction:row;align-items:center;font-weight:400}

/* ---------- login artwork + motion (brand extension v1) ---------- */
.login-hero{position:relative;overflow:hidden;isolation:isolate}
.login-hero>*:not(.login-art){position:relative;z-index:1}
.login-art{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.la-arch-1,.la-arch-2{stroke-dasharray:1350;stroke-dashoffset:1350;animation:og-draw 24s ease-in-out infinite alternate}
.la-arch-2{animation-delay:-4s}
.la-pattern{animation:og-drift 28s ease-in-out infinite alternate}
.la-smoke{animation:og-float 26s ease-in-out infinite alternate}
.la-mountains{animation:og-breath 28s ease-in-out infinite alternate}
@keyframes og-draw{0%{stroke-dashoffset:1350}35%,100%{stroke-dashoffset:0}}
@keyframes og-drift{to{transform:translate(-14px,9px)}}
@keyframes og-float{to{transform:translate(11px,-15px)}}
@keyframes og-breath{to{opacity:.7}}
[dir="rtl"] .login-art{transform:scaleX(-1)}
.login-copy,.login-logo{animation:og-rise .8s ease-out both}.login-copy{animation-delay:.15s}
.login-box{animation:og-rise .7s .1s ease-out both}
@keyframes og-rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.welcome-title{margin:0 0 2px;font-size:15px;font-weight:600;color:var(--brand-ink)}
@media (prefers-reduced-motion:reduce){.la-arch-1,.la-arch-2{stroke-dashoffset:0}}