/* Brightwire Electrical — design system
   Direction: a well-kept switchboard. Orderly, legible, copper-on-ink.
   Palette derived from the trade (copper wiring), not a default SaaS blue. */
:root{
  --canvas:#F3F5F7; --surface:#FFFFFF; --ink:#11242E; --ink-soft:#27414F;
  --slate:#5B6B78; --line:#E3E8EC;
  --copper:#B45309; --copper-deep:#8F4108; --copper-wash:#FBF1E7;
  --success:#1F7A4D; --alert:#B42318;
  --radius:4px;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
  --sidebar-w:236px;
}
*,*::before,*::after{ box-sizing:border-box; }
body{ margin:0; background:var(--canvas); color:var(--ink);
  font-family:var(--font-body); font-size:14px; line-height:1.5; -webkit-font-smoothing:antialiased; }
a{ color:var(--copper); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* sidebar */
.sidebar{ position:fixed; inset:0 auto 0 0; width:var(--sidebar-w);
  background:var(--surface); border-right:1px solid var(--line);
  display:flex; flex-direction:column; padding:20px 0; }
.sidebar-header{ display:flex; align-items:center; gap:10px;
  padding:4px 22px 20px; border-bottom:1px solid var(--line); margin-bottom:14px; }
.brand-mark{ width:18px; height:18px; border-radius:3px; flex:none;
  background:linear-gradient(135deg,var(--copper),var(--copper-deep));
  box-shadow:0 0 0 3px var(--copper-wash); }
.brand-text{ display:flex; flex-direction:column; line-height:1.05; }
.brand-text strong{ font-family:var(--font-display); font-weight:700; font-size:17px; letter-spacing:-.01em; color:var(--ink); }
.brand-text em{ font-style:normal; font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--slate); margin-top:2px; }
.nav{ display:flex; flex-direction:column; gap:2px; padding:0 12px; }
.nav-link{ position:relative; display:block; padding:9px 12px; border-radius:var(--radius);
  color:var(--slate); font-weight:500; transition:background .12s,color .12s; }
.nav-link:hover{ background:var(--canvas); color:var(--ink); text-decoration:none; }
.nav-link.active{ background:var(--copper-wash); color:var(--ink); }
.nav-link.active::before{ content:""; position:absolute; left:0; top:6px; bottom:6px;
  width:3px; border-radius:0 3px 3px 0; background:var(--copper); }
.sidebar-foot{ margin-top:auto; padding:14px 22px 2px; font-family:var(--font-mono);
  font-size:11px; color:var(--slate); border-top:1px solid var(--line); }

/* main */
.main{ margin-left:var(--sidebar-w); padding:34px 40px 60px; }
.main-inner{ max-width:1080px; }
h1{ font-family:var(--font-display); font-weight:600; font-size:24px; letter-spacing:-.02em; margin:0 0 20px; }
h2{ font-family:var(--font-display); font-weight:600; font-size:15px; letter-spacing:-.01em; margin:28px 0 12px; }
h3{ font-size:12px; font-weight:600; letter-spacing:.04em; text-transform:uppercase; color:var(--slate); margin:0; }

/* tables */
table{ border-collapse:collapse; width:100%; background:var(--surface); }
.data-table,.dashboard-section table{ border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
thead th{ text-align:left; font-size:10.5px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--slate); font-weight:600; padding:10px 14px; background:var(--canvas); border-bottom:1px solid var(--line); }
tbody td{ padding:11px 14px; border-bottom:1px solid var(--line); vertical-align:middle; }
tbody tr:last-child td{ border-bottom:none; }
tbody tr{ transition:background .1s; }
tbody tr:hover{ background:var(--copper-wash); }
/* signature: mono ID readouts + copper status-rail on the first column */
.data-table tbody td:first-child{ font-family:var(--font-mono); font-size:12.5px; color:var(--ink);
  box-shadow:inset 3px 0 0 var(--line); }
.data-table tbody tr:hover td:first-child{ box-shadow:inset 3px 0 0 var(--copper); }

/* forms */
label{ display:block; font-size:12px; font-weight:500; color:var(--slate); margin:10px 0 4px; }
input,select,textarea{ font-family:var(--font-body); font-size:14px; color:var(--ink);
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:8px 10px; width:100%; max-width:360px; transition:border-color .12s,box-shadow .12s; }
textarea{ min-height:80px; resize:vertical; }
input:focus,select:focus,textarea:focus{ outline:none; border-color:var(--copper); box-shadow:0 0 0 3px var(--copper-wash); }
button,input[type=submit]{ font-family:var(--font-body); font-weight:600; font-size:13px; cursor:pointer;
  background:var(--copper); color:#fff; border:1px solid var(--copper-deep); border-radius:var(--radius);
  padding:8px 14px; width:auto; transition:background .12s; }
button:hover{ background:var(--copper-deep); }
/* inline action forms inside table rows */
td form{ display:inline-block; margin:0 6px 0 0; }
td form select{ width:auto; max-width:none; padding:5px 8px; font-size:12px; }
td form button{ padding:5px 10px; font-size:12px; }

/* cards / sections */
section,.dashboard-section{ background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); padding:18px 20px; margin:0 0 18px; }
.dashboard-section table{ border:none; }
.dashboard-section h2{ margin-top:0; }

/* dashboard tiles */
.dashboard-tiles{ display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; margin:0 0 22px; }
.tile{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:16px 18px; position:relative; overflow:hidden; }
.tile::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--copper); }
.tile h3{ margin:0 0 8px; }
.tile-value{ font-family:var(--font-display); font-weight:700; font-size:30px; letter-spacing:-.02em; color:var(--ink); }

/* activity list */
.activity-list{ list-style:none; margin:0; padding:0; }
.activity-list li{ display:flex; gap:12px; align-items:baseline; padding:9px 0; border-bottom:1px solid var(--line); }
.activity-list li:last-child{ border-bottom:none; }
.activity-time{ font-family:var(--font-mono); font-size:11px; color:var(--slate); flex:none; width:150px; }
.activity-type{ font-weight:600; font-size:12px; text-transform:capitalize; }
.activity-desc{ color:var(--ink-soft); }

/* a11y + responsive */
:focus-visible{ outline:2px solid var(--copper); outline-offset:2px; }
@media (prefers-reduced-motion:reduce){ *{ transition:none !important; } }
@media (max-width:760px){
  .sidebar{ position:static; width:auto; flex-direction:column; border-right:none; border-bottom:1px solid var(--line); }
  .nav{ flex-direction:row; flex-wrap:wrap; }
  .nav-link.active::before{ display:none; }
  .main{ margin-left:0; padding:22px 18px 48px; }
  input,select,textarea{ max-width:none; }
}