:root{--paper:#F2F4EF;--card:#FFFFFF;--ink:#18211E;--muted:#5F6B66;--line:#DCE2DC;--brand:#1D6B57;--brand-ink:#FFFFFF;
--soft:#E3EEE8;--warn:#B87914;--bad:#B4432F;--ok:#2F8A4E;--r:10px;
--sans:'Manrope',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--paper:#121715;--card:#1A211E;--ink:#E7ECE9;--muted:#9AA7A1;
--line:#2C3632;--brand:#4FB394;--brand-ink:#0D1412;--soft:#1F2E28;--warn:#E0A947;--bad:#E07A66;--ok:#62C483}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;background:var(--paper);color:var(--ink);font:500 15px/1.45 var(--sans)}
h1{font-size:22px;margin:0 0 16px;font-weight:800;letter-spacing:-.01em}
h2{font-size:16px;margin:24px 0 10px;font-weight:800}
a{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--card)}
textarea{min-height:80px;resize:vertical}
label{display:block;margin:0 0 12px;color:var(--muted);font-size:13px}
label input,label select,label textarea{margin-top:4px;color:var(--ink);font-size:15px}
button{cursor:pointer;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:8px 14px}
button.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:700}
button.ghost{background:none;border:none;color:var(--muted)}
button.danger{color:var(--bad)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.login{min-height:100vh;display:grid;place-items:center;padding:16px}
.login form{width:min(360px,100%)}
.err{color:var(--bad);min-height:1.2em;margin:8px 0 0}
.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.nav{border-right:1px solid var(--line);padding:16px 10px;display:flex;flex-direction:column;gap:2px;position:sticky;top:0;height:100vh}
.nav .brand{padding:4px 10px 16px;font-weight:800;font-size:17px}
.nav .brand small{display:block;color:var(--muted);font-weight:500;font-size:12px}
.nav a{padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--ink)}
.nav a.on{background:var(--soft);color:var(--brand);font-weight:700}
.nav a .badge{margin-left:6px}
.nav #logout{margin-top:auto;text-align:left}
.view{padding:24px;max-width:1100px;width:100%}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.muted{color:var(--muted)}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.badge{display:inline-block;font-size:12px;padding:1px 8px;border-radius:99px;background:var(--soft);color:var(--brand);font-weight:700}
.badge.warn{background:color-mix(in srgb,var(--warn) 16%,transparent);color:var(--warn)}
.badge.bad{background:color-mix(in srgb,var(--bad) 14%,transparent);color:var(--bad)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row>*{flex:0 0 auto}
.spread{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.list{display:flex;flex-direction:column;gap:8px}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.steps li{display:flex;gap:10px;align-items:center}
.steps li::before{content:'';width:14px;height:14px;border-radius:50%;border:2px solid var(--line);flex:none}
.steps li.done::before{background:var(--ok);border-color:var(--ok)}
.meter{height:8px;border-radius:99px;background:var(--soft);overflow:hidden;margin:8px 0}
.meter i{display:block;height:100%;background:var(--brand)}
.meter.warn i{background:var(--warn)} .meter.bad i{background:var(--bad)}
/* order track: the real sequence an order goes through */
.track{display:flex;margin:10px 0 4px;padding:0;list-style:none}
.track li{flex:1;position:relative;font-size:11px;color:var(--muted);text-align:center;padding-top:16px}
.track li::before{content:'';position:absolute;top:3px;left:50%;width:10px;height:10px;margin-left:-5px;border-radius:50%;background:var(--line);z-index:1}
.track li::after{content:'';position:absolute;top:7px;left:-50%;width:100%;height:2px;background:var(--line)}
.track li:first-child::after{display:none}
.track li.done::before,.track li.done::after{background:var(--brand)}
.track li.now{color:var(--ink);font-weight:700}
.track li.now::before{box-shadow:0 0 0 4px var(--soft)}
.order .items{margin:6px 0;color:var(--muted)}
.chat{display:flex;flex-direction:column;gap:6px;max-height:55vh;overflow:auto;padding:4px}
.msg{max-width:80%;padding:8px 11px;border-radius:12px;background:var(--soft);white-space:pre-wrap}
.msg.customer{align-self:flex-start;background:var(--card);border:1px solid var(--line)}
.msg.agent{align-self:flex-end}
.msg.operator{align-self:flex-end;background:color-mix(in srgb,var(--warn) 18%,var(--card))}
.msg small{display:block;color:var(--muted);font-size:11px}
.split{display:grid;grid-template-columns:300px 1fr;gap:12px}
.pick{display:block;width:100%;text-align:left;margin:0 0 6px}
.pick.on{border-color:var(--brand)}
table{width:100%;border-collapse:collapse}
td,th{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:700}
.qr{width:240px;height:240px;image-rendering:pixelated;background:#fff;border-radius:8px}
.code{font:700 28px var(--mono);letter-spacing:.08em}
.toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.on{opacity:1}
@media (max-width:760px){
  .shell{grid-template-columns:1fr}
  .nav{position:fixed;bottom:0;top:auto;height:auto;width:100%;flex-direction:row;overflow-x:auto;border-right:0;border-top:1px solid var(--line);background:var(--card);z-index:5;padding:6px}
  .nav .brand,.nav #logout{display:none}
  .nav a{white-space:nowrap;font-size:13px}
  .view{padding:16px 16px 80px}
  .split{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.split a{text-decoration:none;color:inherit}
label.row{color:var(--ink)} label.row input,input[type=checkbox]{width:auto;margin:0 8px 0 0}
td input{min-width:90px}
/* catalog: three ways to add goods, stock by message */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 14px;border-bottom:1px solid var(--line)}
.tab{border:0;border-bottom:3px solid transparent;border-radius:0;background:none;padding:8px 10px;color:var(--muted);font-weight:700}
.tab[aria-selected=true]{color:var(--ink);border-bottom-color:var(--brand)}
.addform{display:grid;grid-template-columns:2fr 1fr .7fr 1.3fr 1fr auto;gap:10px;align-items:end}
.addform label{display:flex;flex-direction:column;gap:4px;font-size:13px}
.cmds{font:500 14px/1.6 var(--mono);background:var(--soft);border-radius:var(--r);padding:10px 12px;margin:8px 0;white-space:pre-wrap}
.scroll{overflow-x:auto}
tr.off td{opacity:.55}
@media (max-width:760px){.addform{grid-template-columns:1fr 1fr}.addform label:first-child,.addform button{grid-column:1/-1}}
.draft td:nth-child(2){min-width:240px}
.draft td:first-child{width:28px}
.addform input{min-width:0}
.view{min-width:0}
/* switch: a checkbox drawn as a toggle */
label.switch{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:15px;font-weight:700;margin:16px 0 6px;cursor:pointer}
label.switch input{appearance:none;-webkit-appearance:none;width:46px;height:26px;margin:0;border-radius:13px;background:var(--line);position:relative;flex:0 0 auto;cursor:pointer;transition:background .15s}
label.switch input::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--card);box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .15s}
label.switch input:checked{background:var(--brand)}
label.switch input:checked::after{transform:translateX(20px)}
/* sign-in by WhatsApp code */
.authcard{width:min(400px,100%)}
.brandmark{display:flex;align-items:center;gap:10px;margin:0 0 18px;font-weight:800;font-size:17px;line-height:1.1}
.brandmark img{border-radius:10px}
.brandmark small{display:block;font-weight:600;font-size:13px;color:var(--muted)}
.authcard h1{margin-bottom:6px}
.authcard .row{margin-top:10px}
input.otp{font:700 26px var(--mono);letter-spacing:.35em;text-align:center}
.card.notice{border-left:4px solid var(--brand);margin-bottom:14px}
/* installed app: room for the phone's status bar and home indicator */
@media (display-mode: standalone){body{padding-top:env(safe-area-inset-top)}.nav{padding-bottom:max(8px,env(safe-area-inset-bottom))}}
.login .authcard form{width:auto}