/* Warm editorial theme: ivory surfaces, near-black type, bold sans headings, serif lead text.
   Inspired by a calm editorial site style; no third-party logos or proprietary fonts. */
:root{
  --bg:#FAF9F5;--surface:#FFFFFF;--surface-2:#F0EEE6;--surface-3:#E8E6DC;
  --text:#141413;--text-2:#3D3D3A;--muted:#5E5D59;--line:#1414131A;--line-strong:#14141333;
  --ink:#141413;--ink-hover:#3D3D3A;--on-ink:#FAF9F5;
  --accent:#2F6B5A;--accent-bg:#E3EEE9;              /* mineral, darkened for text contrast */
  --amber:#7A4A12;--amberbg:#F6EBD6;
  --green:#3E5A2B;--greenbg:#E6ECDD;                 /* olive family */
  --red:#9E2F2A;--redbg:#F6E3E0;
  --blue:var(--accent);--bluebg:var(--accent-bg);
  --radius:16px;--radius-sm:8px;
  --sans:ui-sans-serif,-apple-system,"Segoe UI Variable Display","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --serif:"Iowan Old Style","Charter","Georgia","Cambria","Noto Serif SC","Songti SC","SimSun",serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 var(--sans);font-variant-numeric:lining-nums}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
h1{font-size:34px;line-height:1.12;font-weight:700;letter-spacing:-.02em}
h2{font-size:20px;line-height:1.25;font-weight:650;letter-spacing:-.01em}
h3{font-size:16px;font-weight:650}
a{color:var(--text);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--text-2)}
.muted{color:var(--muted)}
.small{font-size:13px}
.num,.money{font-variant-numeric:tabular-nums;white-space:nowrap}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}
.skip{position:fixed;left:12px;top:-80px;z-index:50;background:var(--bg);padding:12px 20px;border-radius:0 0 8px 8px;font-weight:600}.skip:focus{top:0}
.sr-only{position:absolute;width:1px;height:1px;min-height:0;padding:0;border:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* shell */
.shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:var(--surface-2);border-right:1px solid var(--line);padding:28px 16px 18px;display:flex;flex-direction:column;gap:28px}
.brand{display:flex;gap:10px;align-items:center;padding:0 8px}
.brand .mark{width:40px;height:40px;flex:none;display:block}
.login .brand{flex-direction:column;align-items:flex-start;gap:12px;padding:0}
.login .brand .mark{width:72px;height:72px}
.brand b{display:block;font-size:15px;font-weight:700;letter-spacing:-.01em}.brand small{display:block;color:var(--muted);font-size:12px}
nav.main{display:grid;gap:2px}
nav.main a{display:flex;gap:10px;align-items:center;min-height:42px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-2);text-decoration:none;font-weight:550}
nav.main a:hover{background:var(--surface-3);color:var(--text)}
nav.main a[aria-current=page]{background:var(--ink);color:var(--on-ink)}
nav.main svg{width:18px;height:18px;flex:none}
nav.main .count{margin-left:auto;background:var(--redbg);color:var(--red);border-radius:10px;padding:0 7px;font-size:12px}
.sidebar .foot{margin-top:auto;border-top:1px solid var(--line);padding:14px 8px 0;display:grid;gap:6px;font-size:13px}
.topbar{display:flex;align-items:center;gap:12px;justify-content:space-between;background:var(--bg);border-bottom:1px solid var(--line);padding:14px 40px;position:sticky;top:0;z-index:5}
.topbar .who{display:flex;gap:10px;align-items:center;flex-wrap:wrap;min-width:0}
.topbar .company{font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:380px}
main{padding:40px 40px 64px;max-width:1240px;width:100%;margin:0 auto}
.pagehead{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.pagehead p{font-family:var(--serif);font-size:19px;line-height:1.45;color:var(--text-2);margin-top:8px;max-width:62ch}

/* primitives */
.badge{display:inline-flex;align-items:center;gap:5px;border-radius:6px;padding:2px 8px;font-size:12px;font-weight:600;background:var(--surface-3);color:var(--text-2);white-space:nowrap}
.badge.blue{background:var(--accent-bg);color:var(--accent)}.badge.warn{background:var(--amberbg);color:var(--amber)}.badge.good{background:var(--greenbg);color:var(--green)}.badge.bad{background:var(--redbg);color:var(--red)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:9px 18px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:transparent;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none;color:var(--text);transition:background .15s,border-color .15s}
.btn:hover{background:var(--surface-2);color:var(--text)}
.btn.primary{background:var(--ink);border-color:var(--ink);color:var(--on-ink)}.btn.primary:hover{background:var(--ink-hover);border-color:var(--ink-hover);color:var(--on-ink)}
.btn.danger{color:var(--red);border-color:#9E2F2A55}.btn.danger:hover{background:var(--redbg)}
.btn.link{border-color:transparent;background:transparent;text-decoration:underline;text-underline-offset:3px;padding-inline:4px}
.btn.link:hover{background:transparent;color:var(--text-2)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.small{min-height:34px;padding:5px 12px;font-size:13px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}
.card+.card{margin-top:16px}
section.card{margin-top:16px}
.grid>.card,.grid>section.card{margin-top:0}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px;margin-top:16px}
.split>section.card{margin-top:0}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}
.stack>*+*{margin-top:12px}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}
.metric{padding:18px 20px;background:var(--surface-2);border-color:transparent}
.metric .label{color:var(--muted);font-size:13px;font-weight:600}
.metric .value{font-size:28px;font-weight:700;letter-spacing:-.02em;margin:6px 0 2px}
.metric .note{color:var(--muted);font-size:13px}
.metric.bad .value{color:var(--red)}
.health .metric .value{font-size:clamp(19px,2vw,26px);overflow-wrap:anywhere}

/* issue (main problem) */
.issue{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--red);padding:28px 32px}
.issue.warn{border-left-color:#B07A2A}.issue.good{border-left-color:var(--green)}.issue.info{border-left-color:var(--accent)}
.issue .kicker{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--red)}
.issue.warn .kicker{color:var(--amber)}.issue.good .kicker{color:var(--green)}.issue.info .kicker{color:var(--accent)}
.issue h2{font-size:30px;line-height:1.15;font-weight:700;margin:10px 0 10px;letter-spacing:-.02em}
.issue p{font-family:var(--serif);font-size:18px;line-height:1.5;color:var(--text-2);max-width:70ch}
.issue .actions{margin-top:20px}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--surface-2);color:var(--muted);font-weight:600;font-size:12px;letter-spacing:.03em;text-transform:uppercase}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right}

/* tasks */
.tasks{display:grid;gap:10px}
.task{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--surface)}
.task .sev{width:9px;height:9px;border-radius:50%;margin-top:7px;flex:none;background:var(--accent)}
.task.critical .sev{background:var(--red)}.task.warning .sev{background:#B07A2A}
.task .body{flex:1;min-width:0}.task b{display:block;font-weight:650}

/* options */
.options{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px}
.option{display:flex;flex-direction:column;gap:12px;border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--surface)}
.option h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.option.selected{border:2px solid var(--ink);padding:21px}
.option dl{display:grid;grid-template-columns:auto auto;gap:6px 12px;margin:0;font-size:14px;padding-top:12px;border-top:1px solid var(--line)}
.option dt{color:var(--muted)}.option dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}
.option .foot{margin-top:auto;display:grid;gap:8px}
.reasons{margin:0;padding-left:18px;font-size:14px}.reasons li+li{margin-top:5px}
.scen{display:flex;gap:6px;flex-wrap:wrap}

/* steps / timeline */
.stepper{display:flex;gap:0;flex-wrap:wrap;margin:0 0 20px;padding:0;list-style:none;border-bottom:1px solid var(--line)}
.stepper li{flex:1;min-width:150px;padding:10px 4px 12px;font-size:13px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.stepper li[aria-current=step]{color:var(--text);border-bottom-color:var(--ink)}
.stepper li.done{color:var(--green)}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{position:relative;padding:0 0 20px 30px}
.timeline li:before{content:"";position:absolute;left:8px;top:6px;width:12px;height:12px;border-radius:50%;border:2px solid var(--line-strong);background:var(--surface)}
.timeline li:after{content:"";position:absolute;left:14px;top:22px;bottom:2px;width:2px;background:var(--line)}
.timeline li:last-child:after{display:none}
.timeline li.done:before{background:var(--green);border-color:var(--green)}
.timeline li.current:before{border-color:var(--ink);background:var(--surface-2)}
.timeline li.warn:before{border-color:#B07A2A;background:var(--amberbg)}

/* notices */
.notice{border-radius:12px;padding:12px 16px;background:var(--surface-2);color:var(--text-2);font-size:14px}
.notice.warn{background:var(--amberbg);color:var(--amber)}.notice.bad{background:var(--redbg);color:var(--red)}.notice.good{background:var(--greenbg);color:var(--green)}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:60;max-width:min(560px,calc(100% - 32px))}
#toast:empty{display:none}
#toast .notice{background:var(--ink);color:var(--on-ink);box-shadow:0 8px 28px rgba(20,20,19,.22)}
#toast .notice.bad{background:var(--red);color:#fff}

/* forms */
label{display:grid;gap:5px;font-size:14px;font-weight:600}
input,select,textarea{border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:9px 12px;min-height:42px;background:var(--surface);font-weight:400;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--ink)}
textarea{min-height:90px}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;align-items:end}
.filepick{display:grid;gap:5px;min-width:0}
.filepick .lbl{font-size:14px;font-weight:600}
.filepick label.btn{display:inline-flex;position:relative;justify-self:start;font-size:14px}
.filepick label.btn:focus-within{outline:2px solid var(--ink);outline-offset:3px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.check input{width:20px;min-height:20px;height:20px;margin-top:2px;accent-color:var(--ink)}
details>summary{cursor:pointer;font-weight:600;min-height:32px;text-decoration:underline;text-underline-offset:3px}
pre{background:var(--ink);color:#E8E6DC;border-radius:12px;padding:14px;font-size:12px;overflow:auto;max-height:340px}

/* chart */
.chart{width:100%;overflow-x:auto}
.chart svg{display:block;min-width:560px;width:100%;height:auto}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:18px;height:3px;vertical-align:middle;margin-right:6px;border-radius:2px}

/* dialog */
dialog{border:0;border-radius:var(--radius);padding:0;width:min(660px,calc(100% - 24px));max-height:calc(100vh - 32px);background:var(--bg);color:var(--text);box-shadow:0 24px 70px rgba(20,20,19,.28)}
dialog::backdrop{background:rgba(20,20,19,.45)}
dialog .head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
dialog .head h2{font-size:22px;font-weight:700;letter-spacing:-.01em}
dialog .body{padding:20px 24px;overflow:auto;max-height:calc(100vh - 220px)}
dialog .foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.kv{display:grid;grid-template-columns:minmax(120px,auto) 1fr;gap:7px 16px;font-size:14px}.kv dt{color:var(--muted)}.kv dd{margin:0;font-variant-numeric:tabular-nums}
.big{font-size:36px;font-weight:700;letter-spacing:-.03em}

/* copilot */
.copilot{position:fixed;top:0;right:0;bottom:0;width:440px;max-width:100%;background:var(--bg);border-left:1px solid var(--line);box-shadow:-12px 0 36px rgba(20,20,19,.10);display:flex;flex-direction:column;z-index:30}
.copilot[hidden]{display:none}
.copilot header{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:8px}
.copilot header>div{display:flex;gap:10px;align-items:center}
.copilot .scroll{flex:1;overflow-y:auto;overflow-x:hidden;padding:18px 20px;display:grid;grid-template-columns:minmax(0,1fr);gap:12px;align-content:start}
.copilot .scroll>*,.copilot .stack>*{min-width:0}
.result dt::first-letter{text-transform:uppercase}
.copilot form{border-top:1px solid var(--line);padding:14px 20px;display:grid;gap:8px}
.chip{max-width:100%;overflow-wrap:anywhere;display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:3px 10px;font-size:12px;background:var(--surface-2)}
.suggest{display:flex;gap:6px;flex-wrap:wrap}.suggest button{border:1px solid var(--line-strong);background:transparent;border-radius:16px;padding:5px 12px;font-size:13px;cursor:pointer}
.suggest button:hover{background:var(--surface-2)}
.result{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--surface)}
.result h4{font-size:14px;margin-bottom:6px}
.narrative{background:var(--surface-2);border-radius:12px;padding:14px;white-space:pre-wrap;font-family:var(--serif);font-size:16px;line-height:1.5}
.stages{font-size:12px;color:var(--muted)}
.login{max-width:460px;margin:12vh auto;padding:0 16px}
.login h1{font-size:30px}
.login p{font-family:var(--serif);font-size:17px;color:var(--text-2)}
.login p.small{font-family:var(--sans);font-size:13px;color:var(--muted)}
.login p.notice{font-family:var(--sans);font-size:14px;color:var(--red)}
.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.empty h2{color:var(--text)}
.empty p{margin-top:8px}
.state{max-width:680px}
.state>*+*{margin-top:12px}

/* loading */
.loading{display:flex;gap:12px;align-items:center;color:var(--muted);padding:48px 4px}
.spinner{width:18px;height:18px;border-radius:50%;border:2px solid var(--line-strong);border-top-color:var(--ink);animation:spin .8s linear infinite}
.boot{justify-content:center;min-height:70vh}
@keyframes spin{to{transform:rotate(360deg)}}
main[aria-busy=true]{position:relative}
main[aria-busy=true]:before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,transparent,var(--ink),transparent);background-size:40% 100%;background-repeat:no-repeat;animation:bar 1s ease-in-out infinite}
@keyframes bar{from{background-position:-40% 0}to{background-position:140% 0}}

/* long identifiers (hashes, ids, references) must wrap instead of widening the page */
.kv dd,.option dd,.result p,dialog .body p,.task .body{overflow-wrap:anywhere}

@media (max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:minmax(0,1fr)}}
@media (max-width:860px){
 .shell{grid-template-columns:minmax(0,1fr)}
 /* phones and tablets: the section nav becomes a fixed bottom tab bar, every section visible */
 .sidebar{position:fixed;top:auto;bottom:0;left:0;right:0;height:auto;z-index:20;padding:6px 6px calc(6px + env(safe-area-inset-bottom));border-right:0;border-top:1px solid var(--line);display:block;background:var(--surface-2)}
 .sidebar .brand,.sidebar .foot{display:none}
 nav.main{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:2px}
 nav.main a{position:relative;flex-direction:column;justify-content:center;gap:2px;padding:6px 2px;min-height:52px;font-size:11px;font-weight:600;text-align:center}
 nav.main a span.lbl{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 nav.main .count{position:absolute;top:3px;right:calc(50% - 22px);margin:0;padding:0 5px;font-size:11px;line-height:16px}
 .topbar{padding:10px 16px}
 .topbar .company{max-width:100%}
 .topbar .who{flex-direction:column;align-items:flex-start;gap:4px}
 #role,#model-badge{display:none}
 nav.main a{font-size:10.5px;letter-spacing:-.01em}
 main{padding:22px 16px 96px}
 .stepper li{min-width:0;flex:1 1 40%}
 #toast{bottom:84px}
 .g2,.g3{grid-template-columns:minmax(0,1fr)}
 .g4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 h1{font-size:27px}.issue{padding:22px 20px}.issue h2{font-size:23px}.pagehead p{font-size:17px}
 .copilot{width:100%}
}
@media (max-width:520px){.metric{padding:14px}.metric .value{font-size:19px;white-space:normal}.metric .label,.metric .note{font-size:12px}.issue h2{font-size:21px}.issue p{font-size:16px}.big{font-size:28px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}