/* ZetaWorks · Drafting theme — thin technical lines, paper grid, mono labels.
   (isometric-drawing inspired, no glass / no dark mode) */
:root{
  --paper:#f7f6f3;
  --ink:#111214;
  --ink-2:#4b4f55;
  --ink-3:#8a8f96;
  --rule:rgba(17,18,20,.16);
  --rule-soft:rgba(17,18,20,.08);
  --fill:#ffffff;
  --fill-2:#f1f0ec;
  --accent:#111214;
  --ok:#1c6b3f;
  --bad:#9b2c2c;
  --radius:3px;
  --gw-ink:var(--ink);
  --gw-muted:var(--ink-3);
  --gw-line:var(--rule);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;color:var(--ink);background:var(--paper);
  font:13.5px/1.6 "Segoe UI",Arial,sans-serif;
  letter-spacing:.005em;
  font-variant-numeric:tabular-nums;
  min-height:100svh;
}
/* 工程图纸网格 */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(17,18,20,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(17,18,20,.055) 1px, transparent 1px),
    linear-gradient(to right, rgba(17,18,20,.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(17,18,20,.10) 1px, transparent 1px);
  background-size:24px 24px, 24px 24px, 120px 120px, 120px 120px;
}
a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule)}
a:hover{border-bottom-color:var(--ink)}
h1,h2,h3,h4,p{margin:0}
.mono,code,pre,th,.label{font-family:ui-monospace,"SF Mono",Consolas,monospace}
.label{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- panels ---------- */
.glass,.panel,.card{
  background:var(--fill);
  border:1px solid var(--rule);
  border-radius:var(--radius);
  box-shadow:0 1px 0 rgba(17,18,20,.04);
  position:relative;
}
.glass::after,.panel::after{
  content:"";position:absolute;inset:5px;pointer-events:none;
  border:1px dashed rgba(17,18,20,.10);border-radius:2px;
}
.glass{padding:22px}
.panel{padding:18px}
.panel-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--rule-soft)}
.panel-title h2,.panel-title h3{font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.muted{color:var(--ink-3);font-size:12px}
.tag{padding:1px 7px;border:1px solid var(--rule);border-radius:2px;font-size:10.5px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);background:var(--fill-2)}
.tag.ok{color:var(--ok);border-color:rgba(28,107,63,.35);background:rgba(28,107,63,.06)}
.tag.bad{color:var(--bad);border-color:rgba(155,44,44,.35);background:rgba(155,44,44,.06)}
.tag.run{color:#1f4b8f;border-color:rgba(31,75,143,.35);background:rgba(31,75,143,.06)}
.tag.warn{color:#7a5a12;border-color:rgba(122,90,18,.35);background:rgba(122,90,18,.06)}

/* ---------- top bar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 18px;margin-bottom:18px;background:var(--fill);border:1px solid var(--rule)}
.brand{display:flex;align-items:center;gap:10px;border:0}
.brand-icon{width:26px;height:26px;display:grid;place-items:center;border:1px solid var(--ink);
  font:700 12px/1 ui-monospace,monospace}
.brand strong{font-size:13px;letter-spacing:.16em;text-transform:uppercase}
.brand-sep{width:1px;height:14px;background:var(--rule);margin:0 6px}
.brand-sub{font-size:11px;letter-spacing:.10em;text-transform:uppercase;color:var(--ink-3)}
.toolbar{display:flex;align-items:center;gap:8px}
.avatar{width:26px;height:26px;border:1px solid var(--rule);display:grid;place-items:center;
  font:600 11px/1 ui-monospace,monospace;border-radius:2px}
.icon-btn{width:28px;height:28px;border:1px solid var(--rule);background:var(--fill);
  display:grid;place-items:center;cursor:pointer;border-radius:2px;color:var(--ink)}
.icon-btn:hover{background:var(--fill-2)}
.ghost-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border:1px solid var(--rule);
  background:var(--fill);color:var(--ink);cursor:pointer;font:inherit;font-size:12px;
  letter-spacing:.06em;text-transform:uppercase;border-radius:2px}
.ghost-btn:hover{background:var(--fill-2)}

/* ---------- buttons / inputs ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border:1px solid var(--ink);
  background:var(--fill);color:var(--ink);cursor:pointer;font:inherit;font-size:12px;
  letter-spacing:.07em;text-transform:uppercase;border-radius:2px}
.btn:hover{background:var(--fill-2)}
.btn.primary{background:var(--ink);color:#fafaf8;border-color:var(--ink)}
.btn.primary:hover{filter:brightness(1.3)}
.btn.danger{color:var(--bad);border-color:rgba(155,44,44,.45);background:var(--fill)}
.btn.sm{padding:4px 8px;font-size:11px}
button{padding:7px 12px;border:1px solid var(--rule);background:var(--fill);color:var(--ink);
  cursor:pointer;font:inherit;font-size:12px;border-radius:2px}
button:hover{background:var(--fill-2)}
button.primary{background:var(--ink);color:#fafaf8;border-color:var(--ink)}
button.danger{color:var(--bad);border-color:rgba(155,44,44,.45);background:var(--fill)}
input,select,textarea{width:100%;padding:7px 9px;border:1px solid var(--rule);
  background:var(--fill);color:var(--ink);font:inherit;font-size:13px;border-radius:2px}
input:focus,select:focus,textarea:focus{outline:1px solid var(--ink);outline-offset:1px;border-color:var(--ink)}
textarea{font-family:ui-monospace,Consolas,monospace;font-size:12px;line-height:1.55}
label{display:block;color:var(--ink-3);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;margin-bottom:4px}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse;font-size:12px}
th,td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--rule-soft)}
th{color:var(--ink-3);font-weight:500;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  border-bottom:1px solid var(--rule)}
tbody tr:hover{background:var(--fill-2)}
td.n{font-family:ui-monospace,monospace}

/* ---------- dock ---------- */
.dock{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:40;
  display:flex;gap:0;border:1px solid var(--rule);background:var(--fill);border-radius:2px;
  box-shadow:0 2px 0 rgba(17,18,20,.05)}
.dock a{display:flex;align-items:center;gap:6px;padding:8px 15px;font-size:11px;
  letter-spacing:.10em;text-transform:uppercase;color:var(--ink-2);border:0;
  border-right:1px solid var(--rule-soft)}
.dock a:last-child{border-right:0}
.dock a.active{background:var(--ink);color:#fafaf8}
.dock a:hover{background:var(--fill-2);color:var(--ink)}
.dock a.active:hover{background:var(--ink)}

/* ---------- helpers ---------- */
.wrap{width:min(1280px,100% - 40px);margin:0 auto;padding:22px 0 92px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.grid{display:grid;gap:14px}
.stat{font-size:32px;font-weight:500;letter-spacing:-.02em;font-family:ui-monospace,monospace}
pre{background:var(--fill-2);border:1px solid var(--rule);border-radius:2px;padding:10px;
  font:11.5px/1.55 ui-monospace,Consolas,monospace;white-space:pre-wrap;max-height:200px;
  overflow:auto;color:var(--ink-2)}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);padding:9px 16px;
  background:var(--ink);color:#fafaf8;font-size:12px;border-radius:2px;z-index:60}

/* ---------- dashboard bits ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kpi{padding:16px 18px;background:var(--fill);border:1px solid var(--rule)}
.kpi .v{font:500 30px/1.1 ui-monospace,monospace;letter-spacing:-.02em;margin-top:8px}
.kpi .u{font-size:11px;color:var(--ink-3);letter-spacing:.10em;text-transform:uppercase}
.kpi .delta{font-size:11px;color:var(--ink-3);margin-top:6px}
.chart{width:100%;height:150px}
.chart rect{fill:var(--ink)}
.chart rect.dim{fill:rgba(17,18,20,.18)}
.chart text{font:9px ui-monospace,monospace;fill:var(--ink-3)}
.bars{display:flex;flex-direction:column;gap:8px}
.bar-row{display:grid;grid-template-columns:56px 1fr 44px;align-items:center;gap:8px;font-size:11.5px}
.bar-track{height:8px;background:var(--fill-2);border:1px solid var(--rule-soft);position:relative}
.bar-track i{position:absolute;inset:0 auto 0 0;background:var(--ink)}
.callout{position:relative;border-left:1px dashed var(--rule);padding-left:12px}
@media(max-width:980px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .wrap{width:calc(100% - 24px)}
}
@media(max-width:620px){
  .kpis{grid-template-columns:1fr}
  .brand-sub,.brand-sep{display:none}
  .dock a span{display:none}
}