:root{--bg:#F5F5F2;--card:#FFFFFF;--ink:#1A1A18;--muted:#5C5B56;--faint:#9A998F;--line:#E4E3DE;--line2:#F0EFEA;--accent:#1F4FC2;--accent2:#5A7FD8;--good:#1F6B44;--warn:#8A5A00;--bad:#B3261E;--amber:#E8A23A;--teal:#2E9E8F;--violet:#7E57C2;--grey:#77766F;--sel:#F3F6FD}
@media (prefers-color-scheme:dark){:root{--bg:#141413;--card:#1E1E1C;--ink:#F1F0EA;--muted:#B0AFA6;--faint:#7D7C74;--line:#34332F;--line2:#2A2926;--accent:#7FA3F5;--accent2:#5A7FD8;--good:#5FC28E;--warn:#E3B04B;--bad:#F07A70;--sel:#252A36}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:14px}
a{color:var(--accent)}
.pad{padding:24px}
.hint{color:var(--muted);font-size:13px}
.small{font-size:12px;color:var(--muted)}
header.top{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;justify-content:space-between;padding:12px 24px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px}
.logo{width:30px;height:30px;border-radius:8px;background:var(--ink);color:var(--card);display:flex;align-items:center;justify-content:center;font-weight:700}
nav.tabs{display:flex;flex-wrap:wrap;gap:4px}
nav.tabs a{padding:7px 12px;border-radius:8px;text-decoration:none;color:var(--muted);font-weight:500}
nav.tabs a.on{background:var(--ink);color:var(--card)}
.tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
select,input,button{font:inherit}
select,input[type=text],input[type=number],input[type=password],input:not([type]){padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);min-width:0}
button{cursor:pointer}
.btn{padding:9px 14px;border-radius:8px;border:0;background:var(--ink);color:var(--card);font-weight:600;min-height:40px}
.btn:disabled{opacity:.45;cursor:default}
.btn2{padding:7px 12px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.link{background:none;border:0;color:var(--accent);padding:0}
main{max-width:1440px;margin:0 auto;padding:20px 24px 48px;display:flex;flex-direction:column;gap:18px}
h1{margin:0;font-size:22px;font-weight:600}
h2{margin:0;font-size:15px;font-weight:600}
.row{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.two{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,520px),1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.kpi .l{font-size:13px;color:var(--muted)}
.kpi .v{font-size:24px;font-weight:600;font-variant-numeric:tabular-nums}
.kpi .s{font-size:12px;color:var(--muted)}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:13px;font-variant-numeric:tabular-nums}
th{text-align:right;font-weight:500;color:var(--muted);padding:8px 9px;border-bottom:1px solid var(--line);white-space:nowrap;vertical-align:bottom}
th small{display:block;font-weight:400;font-size:11px;color:var(--faint)}
td{padding:8px 9px;border-bottom:1px solid var(--line2);white-space:nowrap;text-align:right}
th.l,td.l{text-align:left}
td .p{display:block;font-size:11px;color:var(--muted)}
tr.sel td{background:var(--sel)}
tr.click{cursor:pointer}
tr.tot td{font-weight:600;border-top:2px solid var(--line)}
tr.grey td{color:var(--faint)}
tr.grp td{background:var(--line2);font-weight:600;text-align:left}
.good{color:var(--good)}.warn{color:var(--warn)}.bad{color:var(--bad)}
.b{font-weight:600}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;background:var(--card);color:var(--muted);padding:7px 12px}
.seg button.on{background:var(--ink);color:var(--card)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.sw{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}
svg.chart{width:100%;display:block}
svg.chart text{fill:var(--muted);font-size:10px}
.bar{display:flex;align-items:center;gap:8px}
.bar .track{flex:1;height:10px;background:var(--line2);border-radius:5px;overflow:hidden;min-width:60px}
.bar .fill{height:100%;background:var(--accent)}
.form{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:13px;font-weight:500}
.linkbox{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.linkbox code{flex:1;overflow-x:auto;white-space:nowrap;font-size:13px}
.price{width:84px;text-align:right;font-weight:600}
.price.changed{border-color:var(--amber)}
.login{max-width:380px;margin:12vh auto;padding:28px;background:var(--card);border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;gap:14px}
.err{color:var(--bad);font-size:13px;min-height:18px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);border-radius:999px;padding:2px 9px;font-size:12px}
.card.flush{padding:0;gap:0;overflow:hidden}
.more{display:flex;justify-content:center;padding:12px}
table.sticky1 th:first-child,table.sticky1 td:first-child{position:sticky;left:0;background:var(--card);z-index:1}
table.sticky1 tr.click:hover td{background:var(--sel)}
a.back{text-decoration:none;font-weight:500;width:max-content}
.facts{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0}
.facts dt{color:var(--muted)}.facts dd{margin:0;white-space:pre-wrap}
.note-box{white-space:pre-wrap;background:var(--line2);border-radius:10px;padding:12px 14px;line-height:1.45}
/* A user's chat (docs/STAGE17_PLAN.md): topics on the left as in Telegram, the messages as the user sees them. */
:root{--chat:#E7EBE0;--mine:#D9F4C7;--theirs:#FFFFFF;--chip:#DCE7F7}
@media (prefers-color-scheme:dark){:root{--chat:#0E1621;--mine:#2B5278;--theirs:#182533;--chip:#2A3B55}}
.chat{display:grid;grid-template-columns:minmax(200px,280px) 1fr;height:min(78vh,900px)}
.topics{border-right:1px solid var(--line);overflow-y:auto;display:flex;flex-direction:column}
.topic{display:flex;flex-direction:column;gap:2px;padding:12px 14px;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line2)}
.topic.on{background:var(--sel)}
.topic .tt{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topic .tc{font-size:12px;color:var(--muted)}
.pane{display:flex;flex-direction:column;min-width:0;min-height:0}
.pane-h{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;padding:10px 16px;border-bottom:1px solid var(--line)}
.pane-h .ro{margin-left:auto}
.msgs{flex:1;overflow-y:auto;background:var(--chat);padding:12px 16px 20px;display:flex;flex-direction:column;gap:6px}
.older{align-self:center}
.center{text-align:center}
.day{display:flex;justify-content:center;margin:8px 0}
.day span{background:rgba(0,0,0,.18);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px}
.msg{display:flex}
.msg.me{justify-content:flex-end}
.msg.sys{justify-content:center}
.bubble{max-width:min(78%,640px);background:var(--theirs);color:var(--ink);border-radius:14px;padding:8px 12px;display:flex;flex-direction:column;gap:5px;box-shadow:0 1px 1px rgba(0,0,0,.08);min-width:0}
.msg.me .bubble{background:var(--mine)}
.msg.sys .bubble{background:var(--line2);font-size:13px}
.bubble .text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.4}
.bubble .text pre{white-space:pre-wrap;background:var(--line2);padding:8px;border-radius:8px;margin:4px 0}
.bubble .text blockquote{margin:4px 0;padding-left:10px;border-left:3px solid var(--accent2)}
.bubble .cmd{font-family:ui-monospace,Consolas,monospace}
.bubble .foot{align-self:flex-end;font-size:11px;color:var(--muted)}
.mlabel{font-size:12px;font-weight:600;color:var(--accent)}
.fwd{font-size:12px;color:var(--accent)}
.tchip{align-self:flex-start;font-size:11px;background:var(--chip);border-radius:999px;padding:1px 8px}
.note{font-size:12px;color:var(--muted)}
.voice{font-weight:500}
.transcript{font-style:italic;white-space:pre-wrap}
.opts{display:flex;flex-wrap:wrap;gap:6px}
.opt{border:1px solid var(--line);border-radius:8px;padding:3px 9px;font-size:12px;background:var(--card)}
.opt.on{border-color:var(--accent);color:var(--accent);font-weight:600}
.photo{display:block;max-width:100%;max-height:360px;border-radius:10px}
.file{display:inline-block;font-size:13px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);text-decoration:none;overflow-wrap:anywhere}
.file.gone{color:var(--faint)}
.task{align-self:center;width:min(100%,640px);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px;display:flex;flex-direction:column;gap:6px;margin:6px 0}
.task-h{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.task .st{font-size:12px;font-weight:600}
.task .text{white-space:pre-wrap}
.outs{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
@media (max-width:640px){header.top{padding:10px 16px}main{padding:16px}.chat{grid-template-columns:1fr;height:auto}.topics{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}.topic{min-width:150px;border-bottom:0;border-right:1px solid var(--line2)}.msgs{height:70vh}.bubble{max-width:90%}}