:root{
  --ink:#1B2238; --ink-2:#2A3350; --paper:#F4F5F7; --card:#FFFFFF; --line:#E3E5EA;
  --text:#1B2238; --muted:#687087; --red:#D32F2F; --red-soft:#FCEBEB;
  --ok:#1E9E6A; --ok-soft:#E4F5EE; --warn:#C98212; --warn-soft:#FBF1DF;
  --r-sm:6px; --r-md:10px;
  --display:"Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;
  --body:"Figtree", "Helvetica Neue", system-ui, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--body);font-size:15px;line-height:1.5;color:var(--text);background:var(--paper);
  display:grid;grid-template-columns:232px 1fr;min-height:100vh}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}

/* sidebar */
aside{background:var(--ink);color:#C9CEDC;padding:22px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
.brand{font-family:var(--display);font-weight:700;font-size:21px;color:#fff;padding:0 10px 22px;letter-spacing:-.01em}
.brand small{display:block;font-family:var(--body);font-weight:500;font-size:12px;color:#8C93A8;letter-spacing:0}
nav a{display:flex;gap:10px;align-items:center;padding:9px 10px;border-radius:var(--r-sm);color:inherit;text-decoration:none}
nav a:hover{background:var(--ink-2);color:#fff}
nav a.on{background:#fff;color:var(--ink);font-weight:600}
nav a .n{margin-left:auto;background:var(--red);color:#fff;font-size:11px;font-weight:600;border-radius:9px;padding:0 7px}
.mode{margin-top:8px;font-size:12px;padding:10px;border-radius:var(--r-sm);background:var(--ink-2)}
.mode b{color:#fff}

/* store rail: the signature element */
header{position:sticky;top:0;z-index:5;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 32px 0}
.rail{display:flex;gap:6px;overflow-x:auto;padding-bottom:0}
.rail button{border:1px solid var(--line);border-bottom:none;background:#ECEEF2;border-radius:var(--r-md) var(--r-md) 0 0;
  padding:9px 16px 10px;cursor:pointer;white-space:nowrap;display:flex;align-items:center;gap:8px;color:var(--muted)}
.rail button.on{background:var(--card);color:var(--text);font-weight:600;box-shadow:0 -3px 0 var(--red) inset}
.rail .dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.rail .dot.off{background:#B9BECB}
.rail .add{background:none;border-style:dashed;color:var(--muted)}

main{padding:28px 32px 60px;max-width:1180px}
h1{font-family:var(--display);font-size:30px;line-height:1.15;margin:0 0 4px;letter-spacing:-.015em}
h2{font-family:var(--display);font-size:19px;margin:0 0 12px}
.sub{color:var(--muted);margin:0 0 24px;max-width:70ch}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;margin-bottom:20px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.g3{grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.stat .v{font-family:var(--display);font-size:34px;font-weight:700;line-height:1.1}
.stat .l{color:var(--muted);font-size:13px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{justify-content:space-between}
.muted{color:var(--muted)} .small{font-size:13px}

.btn{border:1px solid var(--line);background:var(--card);border-radius:var(--r-sm);padding:8px 14px;cursor:pointer;font-weight:500}
.btn:hover{border-color:#C4C8D2}
.btn.primary{background:var(--red);border-color:var(--red);color:#fff}
.btn.primary:hover{background:#B72626}
.btn.danger{color:var(--red)}
.btn[disabled]{opacity:.55;cursor:wait}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:1px 8px;border-radius:9px;background:#ECEEF2;color:var(--muted)}
.tag.ok{background:var(--ok-soft);color:var(--ok)} .tag.err{background:var(--red-soft);color:var(--red)} .tag.warn{background:var(--warn-soft);color:var(--warn)}

/* switch */
.sw{position:relative;width:42px;height:24px;flex:none}
.sw input{opacity:0;position:absolute;inset:0;margin:0;cursor:pointer}
.sw span{position:absolute;inset:0;background:#C9CDD6;border-radius:12px;transition:background .15s}
.sw span::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s}
.sw input:checked+span{background:var(--ok)}
.sw input:checked+span::after{transform:translateX(18px)}
.sw input:focus-visible+span{outline:2px solid var(--red);outline-offset:2px}

table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--muted);font-weight:600}
.feed li{list-style:none;padding:12px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:110px 1fr auto;gap:14px}
.feed{margin:0;padding:0}
.feed li:last-child{border:none}

.auto-row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.auto-row:last-child{border:none}
.auto-row h3{margin:0;font-size:16px}

.review{padding:18px 0;border-bottom:1px solid var(--line)}
.review:last-child{border:none}
.stars{color:#E5A50A;letter-spacing:1px}
.reply{margin-top:10px;padding:10px 14px;border-left:3px solid var(--ok);background:#F7F9F8;border-radius:0 var(--r-sm) var(--r-sm) 0}
.reply.draft{border-color:var(--warn);background:var(--warn-soft)}
textarea,input[type=text],input[type=time],input[type=number],select{width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:9px 11px;background:#fff}
textarea{min-height:90px;resize:vertical}
label.f{display:block;margin-bottom:14px} label.f>span{display:block;font-weight:600;font-size:14px;margin-bottom:5px}
.bar{height:8px;background:#ECEEF2;border-radius:4px;overflow:hidden;flex:1}
.bar i{display:block;height:100%;background:var(--ok)}

.drop{border:2px dashed #C4C8D2;border-radius:var(--r-md);padding:34px;text-align:center;background:#FAFBFC;cursor:pointer}
.drop.over{border-color:var(--red);background:var(--red-soft)}
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.photo{position:relative;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);background:#fff}
.photo img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.photo .meta{padding:6px 8px;display:flex;justify-content:space-between;align-items:center;font-size:12px}
.photo button{border:none;background:none;color:var(--red);cursor:pointer;font-size:12px}

.modal{position:fixed;inset:0;background:rgba(27,34,56,.45);display:grid;place-items:center;z-index:20;padding:20px}
.modal .box{background:#fff;border-radius:var(--r-md);padding:24px;width:min(560px,100%);max-height:85vh;overflow:auto}
.pick{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:8px;cursor:pointer}
.pick.dis{opacity:.55;cursor:default}
#toast{position:fixed;bottom:22px;right:22px;background:var(--ink);color:#fff;padding:12px 18px;border-radius:var(--r-sm);opacity:0;transform:translateY(8px);transition:.2s;pointer-events:none;max-width:420px}
#toast.show{opacity:1;transform:none}
.empty{text-align:center;padding:48px 20px}
.empty p{color:var(--muted);max-width:46ch;margin:6px auto 18px}
.result{padding:10px 0;border-bottom:1px solid var(--line);white-space:pre-wrap}
svg.chart{width:100%;height:auto;display:block}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted)} .legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}

.heat{display:grid;gap:3px;width:max-content}
.heat span{width:30px;height:30px;border-radius:5px;display:grid;place-items:center;font-size:12px;font-weight:600;color:#fff}
.r1{background:#1E9E6A}.r2{background:#6DB33F}.r3{background:#C98212}.r4{background:#D35F2F}.r0{background:#B9BECB}
.kwc{border:1px solid var(--line);border-radius:var(--r-sm);padding:14px;margin-bottom:12px}
.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{background:#ECEEF2;border-radius:12px;padding:2px 10px;font-size:13px}
.chip.gap{background:var(--warn-soft);color:#8A5A0C}
.up{color:var(--ok);font-weight:600}.down{color:var(--red);font-weight:600}
@media (max-width:820px){
  body{grid-template-columns:1fr}
  aside{position:static;height:auto;flex-direction:row;flex-wrap:wrap;padding:12px}
  .brand{padding:6px 10px;width:100%} .mode{display:none}
  nav{display:flex;flex-wrap:wrap;gap:2px}
  header,main{padding-left:16px;padding-right:16px}
  .feed li{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

#who{font-size:13px;padding:10px;margin-top:auto;color:#C9CEDC}
#who a{color:#fff}
input[type=password]{width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:9px 11px;background:#fff}
body.auth{display:grid;place-items:center;grid-template-columns:1fr;background:var(--ink);padding:20px}
.auth-box{background:var(--card);border-radius:var(--r-md);padding:32px 30px;width:min(420px,100%);border-top:4px solid var(--red)}
.auth-brand{font-family:var(--display);font-weight:700;font-size:15px;color:var(--red);margin-bottom:14px}
.auth-box h1{font-size:26px}
.err{color:var(--red);min-height:1.2em;margin:0 0 10px;font-size:14px}
[hidden]{display:none!important}