/* Tiro, the practice room for legal AI. Willie Nicholson Learning.
   Structure: a cool stone ground with white panels, soft corners, no shadows.
   Identity: one plum for actions and for the highlight; green and rust carry
   status (verified / not in document, pass / fallback / flag) and nothing else. */
:root{
  --bg:#F4F3F6; --panel:#FFFFFF; --panel-2:#F8F7FA; --ink:#1E1A24; --ink-2:#67617A; --rule:#DDD9E4; --rule-2:#ECE9F0;
  --acc:#4A2B5E; --acc-hover:#3B2149; --acc-soft:#E9E1F0; --acc-soft-2:#D9CCE4;
  --pass:#2F6B4F; --pass-bg:#E5F0E9; --fallback:#7E5A1A; --fallback-bg:#F6EBD6; --flag:#A8402E; --flag-bg:#F6E4E0;
  --mark:#E9E1F0; --mark-hot:#D9CCE4; --focus:#4A2B5E;
  --font:"Manrope","IBM Plex Sans Arabic","Segoe UI",Helvetica,Arial,sans-serif;
  --serif:"Spectral","IBM Plex Sans Arabic",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",Menlo,Consolas,monospace;
  --rail:212px; --side:420px; --r:10px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.5}
:lang(ar),[dir=rtl]{font-family:"IBM Plex Sans Arabic",var(--font)}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
h1,h2,h3,h4{font-weight:700;line-height:1.25;margin:0 0 6px;letter-spacing:-.01em}
h1{font-size:24px} h2{font-size:19px} h3{font-size:15px} h4{font-size:14px}
p{margin:0 0 10px}
.muted{color:var(--ink-2)} .small{font-size:12.5px} .hint{font-size:12.5px;color:var(--ink-2)} .fine{font-size:12px;color:var(--ink-2);margin-top:18px}
.grow{flex:1}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0}
label{display:block;font-size:12.5px;color:var(--ink-2);margin:10px 0 4px;font-weight:600}
label input,label textarea,label select{display:block;width:100%;margin-top:4px;color:var(--ink);font-weight:400}
input[type=text],input[type=email],textarea,select{background:var(--panel);border:1px solid var(--rule);border-radius:8px;padding:8px 10px;font-size:14px}
select{padding-right:26px}
textarea{resize:vertical}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--acc);background:var(--acc);color:#fff;border-radius:8px;padding:8px 14px;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.2}
.btn:hover{background:var(--acc-hover);border-color:var(--acc-hover)}
.btn.ghost{background:var(--panel);color:var(--ink);border-color:var(--rule)}
.btn.ghost:hover{background:var(--panel-2)}
.btn.link{background:transparent;border-color:transparent;color:var(--acc);padding:4px 6px}
.btn.link:hover{background:var(--acc-soft)}
.btn.small{padding:5px 10px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:default}
.badge{font-size:12px;border-radius:999px;padding:2px 10px;color:var(--ink-2);background:var(--panel-2);font-weight:600}
.badge.live{background:var(--pass-bg);color:var(--pass)}
.pill{display:inline-block;font-size:12px;font-weight:600;border-radius:999px;padding:2px 10px}
.pill.pass{background:var(--pass-bg);color:var(--pass)} .pill.fallback{background:var(--fallback-bg);color:var(--fallback)} .pill.flag{background:var(--flag-bg);color:var(--flag)}
.pill.acc{background:var(--acc-soft);color:var(--acc)}

/* sign-in */
.signin{min-height:100%;display:grid;place-items:center;padding:24px;background:var(--bg)}
.signin-card{background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:34px;max-width:440px;width:100%}
.signin-logo{height:44px;width:auto;margin-bottom:22px;display:block}
.signin form{margin-top:14px}
.signin .btn{margin-top:14px;width:100%;justify-content:center}

/* shell */
.app{height:100%;display:grid;grid-template-columns:var(--rail) minmax(0,1fr) var(--side);grid-template-rows:52px minmax(0,1fr);grid-template-areas:"top top top" "rail main side";gap:0 12px;padding:0 12px 12px}
.app>*{min-width:0}
.top{grid-area:top;display:flex;align-items:center;gap:14px;padding:0 4px;margin:0 -12px 0;padding-left:16px;padding-right:16px;background:var(--panel);border-bottom:1px solid var(--rule)}
.top-logo{height:30px;width:auto}
.top-product{font-weight:700;padding-left:14px;border-left:1px solid var(--rule);letter-spacing:-.01em}
.rail{grid-area:rail;padding:14px 0 0;display:flex;flex-direction:column;gap:3px;overflow:auto}
.rail>button{all:unset;cursor:pointer;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);font-weight:500}
.rail>button:hover{color:var(--ink);background:var(--rule-2)}
.rail>button.on{background:var(--panel);color:var(--ink);font-weight:700;box-shadow:0 0 0 1px var(--rule)}
.rail>button:focus-visible{outline:2px solid var(--focus)}
.rail-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--rule)}
.rail-h{font-size:11.5px;color:var(--ink-2);margin:0 12px 6px;letter-spacing:.06em;text-transform:uppercase;font-weight:700}
.chat-list{list-style:none;margin:0;padding:0}
.chat-list li{font-size:13px;padding:5px 12px;border-radius:6px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink-2)}
.chat-list li:hover{background:var(--rule-2);color:var(--ink)}
.main{grid-area:main;min-width:0;display:flex;flex-direction:column;overflow:hidden;margin-top:14px}
.view{display:none;flex:1;min-height:0;flex-direction:column;background:var(--panel);border:1px solid var(--rule);border-radius:12px;overflow:hidden}
.view.on{display:flex}
.page{padding:22px 26px;overflow:auto;max-width:980px}
.page.narrow{max-width:720px}
.side{grid-area:side;margin-top:14px;display:flex;flex-direction:column;min-height:0;background:var(--panel);border:1px solid var(--rule);border-radius:12px;overflow:hidden}
.side-head{padding:12px 16px;border-bottom:1px solid var(--rule);display:flex;flex-direction:column;gap:6px}
.side-title{font-weight:700;flex:1;min-width:0}
.side-top{display:flex;align-items:center;gap:8px}
.side-meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px}
.side-meta .btn.link{padding:0;font-size:12.5px}
.doc-tabs{display:flex;gap:6px;flex-wrap:wrap}
.doc-tabs button{all:unset;cursor:pointer;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--panel-2);color:var(--ink-2);max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-tabs button.on{background:var(--acc-soft);color:var(--acc);font-weight:600}
.docview{flex:1;overflow:auto;padding:16px 18px;font-size:13.5px;line-height:1.7;white-space:pre-wrap;font-family:var(--serif)}
.docview[dir=rtl],.docview.rtl{font-family:"IBM Plex Sans Arabic",var(--font);font-size:14.5px;line-height:1.9;direction:rtl;text-align:right}
.docview mark{background:var(--mark);color:inherit;border-radius:3px;padding:0 1px;box-shadow:inset 0 -2px 0 var(--acc)}
.docview mark.hot{background:var(--mark-hot)}
.cites{border-top:1px solid var(--rule);max-height:40%;overflow:auto;padding:10px 16px;font-size:13px}
.cites:empty{display:none}
.cite{display:grid;grid-template-columns:24px 1fr;gap:8px;padding:7px 0;border-bottom:1px solid var(--rule-2);cursor:pointer}
.cite:last-child{border-bottom:0}
.cite .n{font-weight:700;font-size:11.5px;width:22px;height:22px;border-radius:6px;display:inline-grid;place-items:center;background:var(--pass-bg);color:var(--pass)}
.cite.bad .n{background:var(--flag-bg);color:var(--flag)}
.cite .st{font-size:11.5px;font-weight:600;color:var(--pass)}
.cite.bad .st{color:var(--flag)}
.cite .src{font-size:11.5px;color:var(--ink-2)}
.cite q{font-family:var(--serif);quotes:none}

/* workspace */
.ws-head{display:flex;align-items:center;gap:8px;padding:8px 14px 8px 26px;border-bottom:1px solid var(--rule-2)}
.ws-title{flex:1;min-width:0;font-size:12.5px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thread-wrap{flex:1;min-height:0;overflow:auto;padding:20px 26px;display:flex;flex-direction:column;gap:14px}
.starters{display:flex;flex-direction:column;gap:14px}
.starter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.recent-inline .rail-h{margin:0 0 6px}
.recent-inline .chat-list li{padding:6px 10px;border:1px solid var(--rule-2);border-radius:8px;margin-bottom:6px}
.note-line{align-self:center;font-size:12px;color:var(--ink-2);border-top:1px solid var(--rule-2);padding-top:6px}
.starter{all:unset;cursor:pointer;border:1px solid var(--rule);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:4px;font-size:13px;background:var(--panel)}
.starter:hover{border-color:var(--acc-soft-2);background:var(--panel-2)}
.starter b{font-weight:700}
.starter span{color:var(--ink-2);font-size:12px}
.thread{display:flex;flex-direction:column;gap:14px}
.msg{max-width:88%;border-radius:12px;padding:12px 14px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word}
.msg.user{align-self:flex-end;background:var(--acc-soft);color:var(--ink)}
.msg.ai{align-self:flex-start;background:var(--panel-2);max-width:96%}
.msg.ai.thinking{color:var(--ink-2)}
.msg .claims{margin-top:10px;display:flex;flex-direction:column;gap:6px;white-space:normal}
.md{white-space:normal}
.md>:first-child{margin-top:0}
.md>:last-child{margin-bottom:0}
.md p{margin:0 0 8px}
.md h3,.md h4,.md h5,.md h6{margin:14px 0 6px;font-size:14.5px;line-height:1.3}
.md h3{font-size:15.5px}
.md ul{margin:4px 0 8px;padding-inline-start:22px}
.md li{margin:2px 0}
.md hr{border:0;border-top:1px solid var(--rule);margin:12px 0}
.md blockquote{margin:6px 0;padding-inline-start:10px;border-inline-start:2px solid var(--rule);color:var(--ink-2)}
.md table{border-collapse:collapse;font-size:12.5px;margin:6px 0 10px;display:block;overflow-x:auto;max-width:100%}
.md th,.md td{border:1px solid var(--rule);padding:4px 8px;text-align:start;vertical-align:top}
.md th{background:var(--panel-2);font-weight:700}
.md code{font-family:var(--mono);font-size:12.5px;background:var(--panel-2);padding:0 4px;border-radius:4px}
.claim-row{display:grid;grid-template-columns:22px 1fr;gap:8px;align-items:start;font-size:13px}
.claim-row .n{cursor:pointer;width:22px;height:22px;border-radius:6px;display:inline-grid;place-items:center;font-size:11.5px;font-weight:700;background:var(--pass-bg);color:var(--pass)}
.claim-row.bad .n{background:var(--flag-bg);color:var(--flag)}
.claim-row .st{margin-inline-start:8px;font-size:11.5px;font-weight:600;color:var(--pass)}
.claim-row.bad .st{color:var(--flag)}
.claim-row .src{margin-inline-start:8px;font-size:11.5px;color:var(--ink-2)}
.tools{margin-top:10px;display:flex;flex-wrap:wrap;gap:4px;white-space:normal}
.msg.draft{background:var(--panel);border:1px solid var(--rule);white-space:normal;align-self:stretch;max-width:100%;min-width:0}
.draft-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px;font-size:12.5px;color:var(--ink-2)}
.draft-head b{color:var(--ink);font-weight:700}
.draft-body{white-space:pre-wrap;font-family:var(--serif);font-size:14px;line-height:1.65}
.draft-body.md{white-space:normal}
.edit-hint{font-size:12px;color:var(--ink-2);margin-top:4px}
.draft-edit{width:100%;min-height:260px;font-family:var(--serif);font-size:14px;line-height:1.6;border:1px solid var(--rule);border-radius:8px;padding:12px}
.inline-form{margin-top:10px;padding:10px 12px;border:1px solid var(--rule);border-radius:10px;background:var(--panel);display:flex;flex-direction:column;gap:6px}
.inline-form .row{margin:0}
.verify-list{margin-top:10px;display:flex;flex-direction:column;gap:6px;font-size:13px}
.verify-list .vrow{display:grid;grid-template-columns:22px 1fr;gap:8px;align-items:start}
.verify-list .vrow .n{width:22px;height:22px;border-radius:6px;display:inline-grid;place-items:center;font-size:11.5px;font-weight:700;background:var(--pass-bg);color:var(--pass);cursor:pointer}
.verify-list .vrow.bad .n{background:var(--flag-bg);color:var(--flag)}
.verify-list q{display:block;color:var(--ink-2);font-family:var(--serif);quotes:none;font-size:12.5px}
.verify-list .st{font-size:11.5px;font-weight:600;color:var(--pass)}
.verify-list .vrow.bad .st{color:var(--flag)}
.verify-list .src{font-size:11.5px;color:var(--ink-2)}
.bad-text{color:var(--flag)}
.rt{overflow:auto;margin-top:6px}
.rt table{border-collapse:collapse;font-size:12.5px;min-width:100%}
.rt th,.rt td{border:1px solid var(--rule);padding:6px 8px;text-align:left;vertical-align:top;max-width:260px}
.rt th{background:var(--panel-2);font-weight:700}
.rt td.field{font-weight:600;white-space:nowrap;background:var(--panel-2)}
.rt q{display:block;font-size:11.5px;color:var(--ink-2);font-family:var(--serif);quotes:none;margin-top:3px;cursor:pointer}
.rt q.ok{border-left:2px solid var(--pass);padding-left:6px}
.rt q.bad{border-left:2px solid var(--flag);padding-left:6px}
.composer{border-top:1px solid var(--rule);padding:12px 18px 14px;display:flex;flex-direction:column;gap:8px;background:var(--panel)}
.composer-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.pii-warn{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;border:1px solid var(--fallback);background:var(--fallback-bg);color:var(--fallback);border-radius:10px;padding:8px 12px;font-size:13px}
.pii-warn .row{margin:0;gap:6px}
.matter{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
#chips{display:flex;flex-wrap:wrap;gap:6px;min-width:0;max-width:100%}
.matter .lbl{font-size:11.5px;color:var(--ink-2);font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-right:2px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel-2);border:1px solid var(--rule);border-radius:999px;padding:3px 6px 3px 11px;font-size:12.5px;max-width:260px}
.chip.on{border-color:var(--acc-soft-2);background:var(--acc-soft)}
.chip span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;min-width:0}
.chip button{all:unset;cursor:pointer;width:18px;height:18px;border-radius:50%;display:inline-grid;place-items:center;color:var(--ink-2);font-size:13px}
.chip button:hover{background:var(--rule);color:var(--ink)}
.chip.add{background:transparent;border-style:dashed;padding:0}
.chip.add select{border:0;background:transparent;padding:3px 8px;font-size:12.5px;color:var(--ink-2);max-width:220px}
.composer textarea{width:100%;border:1px solid var(--rule);border-radius:10px;padding:10px 12px;font-size:14px;min-height:64px}
.composer select{font-size:13px;padding:6px 26px 6px 10px}
.composer-row select{flex:1 1 40%;min-width:0;max-width:100%}
.fields-row{font-size:12.5px}
.fields-row input{width:100%}

/* pages */
.pb-summary{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0 12px}
.pb-results{display:flex;flex-direction:column;gap:10px}
.check{border:1px solid var(--rule);border-radius:10px;padding:12px 14px}
.check h4{margin:0 0 4px}
.check .why{margin:6px 0;font-size:13px}
.check q{display:block;font-family:var(--serif);font-size:13px;color:var(--ink-2);cursor:pointer;margin:4px 0;quotes:none;border-left:2px solid var(--pass);padding-left:8px}
.check q.unverified{border-left-color:var(--flag)}
.check .rl{font-size:13px;margin-top:6px}
.pb-form{margin-top:18px;border-top:1px solid var(--rule);padding-top:12px}
.pb-check{display:grid;grid-template-columns:1fr 150px;gap:0 12px;border:1px solid var(--rule);border-radius:10px;padding:8px 12px 12px;margin:10px 0}
.wf-list{display:flex;flex-direction:column;gap:12px}
.wf{border:1px solid var(--rule);border-radius:10px;padding:12px 14px}
.wf pre{white-space:pre-wrap;font-family:var(--mono);font-size:12.5px;background:var(--panel-2);padding:10px;border-radius:8px;max-height:180px;overflow:auto}
.wf ul{margin:6px 0 0 18px;font-size:13px}
.gate fieldset{border:1px solid var(--rule);border-radius:10px;padding:10px 14px;margin:0 0 10px}
.gate legend{font-weight:700;font-size:13px;padding:0 6px}
.gate label{font-weight:400;color:var(--ink);margin:6px 0;font-size:13.5px}
.gate input{margin-inline-end:8px}
.verdict{margin-top:14px;border-radius:12px;padding:14px 16px;border:1px solid var(--rule)}
.verdict strong{display:block;margin-bottom:4px;font-size:15px}
.verdict.green{background:var(--pass-bg);border-color:var(--pass);color:var(--pass)}
.verdict.amber{background:var(--fallback-bg);border-color:var(--fallback);color:var(--fallback)}
.verdict.red{background:var(--flag-bg);border-color:var(--flag);color:var(--flag)}
.claims .claim{border:1px solid var(--rule);border-radius:10px;padding:10px 14px;margin:10px 0}
.claims .pick{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;font-size:13px}
.claims .pick label{margin:0;font-weight:400;color:var(--ink)}
.claims .why{margin-top:6px;font-size:13px;color:var(--ink-2)}
.claims .claim.ok{border-color:var(--pass)}
.claims .claim.bad{border-color:var(--flag)}
.claims .why.ok b{color:var(--pass)}
.claims .why.bad b{color:var(--flag)}
.defs{margin:0 0 10px;padding-inline-start:18px;font-size:13px;color:var(--ink-2)}
.defs li{margin:2px 0}
.defs b{color:var(--ink)}
.score{font-weight:700;font-size:16px}
.brief>div{margin:12px 0}
.brief code{display:block;font-family:var(--mono);font-size:12.5px;background:var(--panel-2);padding:10px;border-radius:8px;white-space:pre-wrap}
.tbl{overflow:auto;margin-top:10px}
.sub-h{margin-top:22px}
label.check{display:inline-flex;align-items:center;gap:6px;margin:0;font-weight:500;color:var(--ink)}
label.check input{width:auto;margin:0}
.tbl td .btn{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.doc-toggle,.doc-close,.narrow-only{display:none}
.tbl table{border-collapse:collapse;font-size:12.5px;min-width:100%}
.tbl th,.tbl td{border-bottom:1px solid var(--rule);padding:6px 8px;text-align:left;vertical-align:top}
.tbl th{font-weight:700;background:var(--panel-2)}
.dr-list{display:flex;flex-direction:column;gap:10px}
.dr{border:1px solid var(--rule);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}
.dr .meta{font-size:12.5px;color:var(--ink-2)}
.dr .prev{font-family:var(--serif);font-size:13px;color:var(--ink-2);white-space:pre-wrap}
.dr .versions{font-size:12.5px;display:flex;gap:6px;flex-wrap:wrap}
.dr .versions button{all:unset;cursor:pointer;padding:2px 8px;border-radius:999px;background:var(--panel-2)}
.dr .versions button.on{background:var(--acc-soft);color:var(--acc);font-weight:600}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-size:13.5px;z-index:9;max-width:92vw}

@media (max-width:1100px){ :root{--side:300px;--rail:168px} .page{padding:20px} }
@media (max-width:860px){
  /* one column: top bar, tabs (wrapping), the workspace; the document opens as a sheet */
  .app{grid-template-columns:1fr;grid-template-rows:52px auto minmax(0,1fr);grid-template-areas:"top" "rail" "main";gap:8px 0;padding:0 10px 10px;height:100vh;height:100dvh}
  .top{margin:0 -10px;gap:10px;padding-left:12px;padding-right:12px;overflow:hidden}
  .top-logo{height:24px}
  .top-product{white-space:nowrap;padding-left:10px}
  #modelBadge,#userName{display:none}
  .doc-toggle,.narrow-only{display:inline-flex}
  .rail{flex-direction:row;flex-wrap:wrap;overflow:visible;gap:4px;padding:8px 0 0}
  .rail>button{white-space:nowrap;font-size:13px;padding:6px 10px}
  .rail-foot{display:none}
  .main{margin-top:0;min-height:0}
  .view{overflow-x:hidden;overflow-y:auto}
  .side{display:none}
  .app.doc-open .side{display:flex;position:fixed;top:52px;left:0;right:0;bottom:0;z-index:30;margin:0;border-radius:0;border-left:0;border-right:0;border-bottom:0}
  .doc-close{display:inline-flex}
  .ws-head{padding:6px 12px}
  .thread-wrap{padding:12px 14px;min-height:150px}
  .composer{padding:10px 12px 12px;gap:6px}
  .composer textarea{min-height:52px}
  #hintLine{order:9;flex-basis:100%}
  .chip{max-width:100%;min-width:0}
  .matter{min-width:0}
  .msg{max-width:100%}
  .page{padding:16px}
  .pb-check{grid-template-columns:1fr}
}