/* RackSight AI — industrial inspection aesthetic.
   Off-white paper, ink text, safety-amber accent, traffic-light severities. */

:root {
  --paper: #f6f5f1;
  --panel: #ffffff;
  --ink: #191b1e;
  --ink-soft: #5c6066;
  --line: #e3e1da;
  --accent: #e8590c;
  --accent-soft: #fff0e5;
  --red: #d6382c;
  --red-bg: #fdecea;
  --amber: #e8a013;
  --amber-bg: #fdf5e0;
  --green: #2f9e44;
  --green-bg: #e9f7ec;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
}

a { color: inherit; }

/* ---------- chrome ---------- */

.topbar {
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 28px;
  height: 58px;
  position: sticky; top: 0; z-index: 10;
}
.brand {
  display: flex; align-items: baseline; gap: 8px;
  font-weight: 800; font-size: 17px; letter-spacing: .5px;
  text-decoration: none; color: #fff;
}
.brand .tag {
  font-size: 10px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--ink); background: var(--accent);
  padding: 2px 6px; border-radius: 3px; transform: translateY(-2px);
  color: #fff;
}
.nav { display: flex; gap: 4px; flex: 1; }
.nav a {
  text-decoration: none; color: #c8cace;
  font-size: 13px; font-weight: 600; letter-spacing: .3px;
  padding: 8px 12px; border-radius: 6px;
}
.nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav a.active { color: #fff; background: rgba(255,255,255,.14); }
.topbar .who { font-size: 12.5px; color: #9a9da3; }
.topbar form { display: inline; }
.topbar button {
  background: none; border: 1px solid #3c4046; color: #c8cace;
  font-size: 12px; padding: 5px 12px; border-radius: 6px; cursor: pointer;
}
.topbar button:hover { color: #fff; border-color: #6c7076; }

.ai-pill {
  font-size: 10.5px; font-weight: 700; letter-spacing: 1px;
  padding: 3px 9px; border-radius: 99px; white-space: nowrap;
}
.ai-pill.on  { background: #123f22; color: #7ce69a; }
.ai-pill.off { background: #4a3410; color: #f5c66f; }

main { max-width: 1160px; margin: 0 auto; padding: 34px 28px 80px; }

/* ---------- typography & layout ---------- */

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.page-head h1 { font-size: 26px; font-weight: 800; letter-spacing: -.3px; }
.crumbs { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 6px; }
.crumbs a { color: var(--ink-soft); }
.sub { color: var(--ink-soft); font-size: 13.5px; }

.kicker {
  font-size: 11px; font-weight: 800; letter-spacing: 1.6px;
  text-transform: uppercase; color: var(--ink-soft); margin-bottom: 10px;
}

.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.panel + .panel, section + section { margin-top: 22px; }
section h2 { font-size: 16px; font-weight: 800; margin-bottom: 14px; }

/* ---------- stat tiles ---------- */

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 26px; }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px;
}
.stat .num { font-family: var(--mono); font-size: 30px; font-weight: 700; line-height: 1.1; }
.stat .lbl { font-size: 11px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--ink-soft); margin-top: 4px; }
.stat.red   { border-top: 3px solid var(--red); }
.stat.amber { border-top: 3px solid var(--amber); }
.stat.green { border-top: 3px solid var(--green); }
.stat.red .num { color: var(--red); }
.stat.amber .num { color: var(--amber); }
.stat.green .num { color: var(--green); }

/* ---------- tables ---------- */

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  text-align: left; font-size: 10.5px; font-weight: 800; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--ink-soft);
  padding: 8px 12px; border-bottom: 2px solid var(--ink);
}
td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:hover td { background: #fbfaf7; }
td a.rowlink { font-weight: 700; text-decoration: none; }
td a.rowlink:hover { text-decoration: underline; }
.num-cell { font-family: var(--mono); }

/* ---------- severity ---------- */

.sev {
  display: inline-block; font-size: 10.5px; font-weight: 800;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 3px 10px; border-radius: 4px; white-space: nowrap;
}
.sev-red   { background: var(--red); color: #fff; }
.sev-amber { background: var(--amber); color: #fff; }
.sev-green { background: var(--green); color: #fff; }
.sev-none  { background: var(--line); color: var(--ink-soft); }

.sev-strip { display: flex; gap: 8px; align-items: center; font-family: var(--mono); font-size: 13px; }
.dot { width: 10px; height: 10px; border-radius: 99px; display: inline-block; }
.dot.red { background: var(--red); } .dot.amber { background: var(--amber); } .dot.green { background: var(--green); }

/* ---------- findings ---------- */

.finding {
  display: grid; grid-template-columns: 190px 1fr; gap: 18px;
  border: 1px solid var(--line); border-left: 5px solid var(--line);
  border-radius: var(--radius); background: var(--panel);
  padding: 16px; margin-bottom: 14px;
}
.finding.red   { border-left-color: var(--red);   background: linear-gradient(to right, var(--red-bg), var(--panel) 30%); }
.finding.amber { border-left-color: var(--amber); background: linear-gradient(to right, var(--amber-bg), var(--panel) 30%); }
.finding.green { border-left-color: var(--green); }
.finding img {
  width: 190px; height: 128px; object-fit: cover; border-radius: 6px;
  border: 1px solid var(--line); background: #ddd;
}
.finding .noimg {
  width: 190px; height: 128px; border-radius: 6px; border: 1px dashed var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft); font-size: 11px;
}
@media (max-width: 700px) { .finding { grid-template-columns: 1fr; } .finding img, .finding .noimg { width: 100%; } }
.finding h3 { font-size: 15px; margin: 6px 0 4px; }
.finding .meta { font-size: 12px; color: var(--ink-soft); font-family: var(--mono); }
.finding .rec { margin-top: 8px; font-size: 13.5px; padding: 8px 12px; background: var(--paper); border-radius: 6px; }
.finding .rec b { font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- forms ---------- */

form.stack { display: grid; gap: 12px; }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { form .row { grid-template-columns: 1fr; } }
label { display: block; font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 4px; }
input[type=text], input[type=email], input[type=password], textarea, select {
  width: 100%; padding: 9px 12px; font-size: 14px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--ink);
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
textarea { min-height: 70px; resize: vertical; }

.btn {
  display: inline-block; border: none; cursor: pointer; text-decoration: none;
  font-size: 13px; font-weight: 800; letter-spacing: .4px;
  padding: 10px 18px; border-radius: 7px;
  background: var(--ink); color: #fff;
}
.btn:hover { background: #33363b; }
.btn.accent { background: var(--accent); }
.btn.accent:hover { background: #d14e0a; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; }
.btn.small { font-size: 12px; padding: 6px 12px; }

details.creator { margin-top: 14px; }
details.creator summary {
  cursor: pointer; font-weight: 700; font-size: 13.5px; color: var(--accent);
  list-style: none;
}
details.creator summary::before { content: "+ "; font-weight: 800; }
details.creator[open] summary::before { content: "− "; }
details.creator .panel { margin-top: 12px; }

/* ---------- upload ---------- */

.dropzone {
  border: 2px dashed var(--line); border-radius: var(--radius);
  padding: 26px; text-align: center; color: var(--ink-soft);
  background: var(--panel); transition: border-color .15s, background .15s;
}
.dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dropzone input[type=file] { display: none; }
.dropzone .hint { font-size: 12.5px; margin-top: 6px; }

.status-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 800; letter-spacing: .8px; text-transform: uppercase;
  padding: 3px 10px; border-radius: 99px;
}
.status-queued     { background: var(--line); color: var(--ink-soft); }
.status-processing { background: var(--accent-soft); color: var(--accent); }
.status-analyzed   { background: var(--green-bg); color: var(--green); }
.status-failed     { background: var(--red-bg); color: var(--red); }
.spinner {
  width: 10px; height: 10px; border-radius: 99px;
  border: 2px solid var(--accent); border-top-color: transparent;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- QR ---------- */

.qr-preview { display: flex; gap: 22px; align-items: flex-start; flex-wrap: wrap; }
.qr-preview img { width: 180px; height: 180px; border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 8px; }

/* ---------- login ---------- */

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--ink); }
.login-card { background: var(--panel); border-radius: 14px; padding: 40px; width: 380px; max-width: calc(100vw - 40px); }
.login-card .brandmark { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.login-card .brandmark span { color: var(--accent); }
.login-card p.lede { color: var(--ink-soft); font-size: 13px; margin-bottom: 24px; }
.login-card form { display: grid; gap: 14px; }
.error-box { background: var(--red-bg); color: var(--red); font-size: 13px; padding: 10px 12px; border-radius: 7px; }
.hint-box { background: var(--paper); color: var(--ink-soft); font-size: 12px; padding: 10px 12px; border-radius: 7px; margin-top: 18px; }
.hint-box code { font-family: var(--mono); color: var(--ink); }

/* ---------- report (screen + print) ---------- */

.report { max-width: 900px; margin: 0 auto; padding: 40px 30px; background: #fff; }
.report-band { border-top: 6px solid var(--ink); padding-top: 18px; margin-bottom: 8px; display: flex; justify-content: space-between; align-items: flex-start; }
.report h1 { font-size: 24px; }
.report .lede { color: var(--ink-soft); font-size: 13px; }
.report-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 22px 0; }
.report-meta div { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.report-meta .k { font-size: 10px; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase; color: var(--ink-soft); }
.report-meta .v { font-size: 14px; font-weight: 700; margin-top: 2px; }
.report-section { margin-top: 30px; break-inside: avoid; }
.report-section > h2 { display: flex; align-items: center; gap: 12px; font-size: 17px; border-bottom: 2px solid var(--ink); padding-bottom: 8px; margin-bottom: 14px; }
.method { font-size: 12.5px; color: var(--ink-soft); }
.legend { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 14px 0; }
.legend div { font-size: 12px; padding: 10px 12px; border-radius: 7px; }
.legend .l-red { background: var(--red-bg); } .legend .l-amber { background: var(--amber-bg); } .legend .l-green { background: var(--green-bg); }
.print-note { text-align: center; margin: 18px 0; }

@media print {
  body { background: #fff; }
  .no-print { display: none !important; }
  .report { padding: 0; max-width: none; }
  .finding { break-inside: avoid; }
  a { text-decoration: none; color: inherit; }
}

/* ---------- A4 placard ---------- */

@page { size: A4; margin: 0; }
.placard-page {
  width: 210mm; min-height: 297mm; margin: 0 auto; background: #fff;
  display: flex; flex-direction: column; align-items: center;
  padding: 18mm 16mm; page-break-after: always; position: relative;
}
@media screen {
  body.placard-body { background: #9aa0a6; padding: 20px 0; }
  .placard-page { box-shadow: 0 4px 24px rgba(0,0,0,.3); margin-bottom: 20px; }
}
.placard-band { width: 100%; background: var(--ink); color: #fff; border-radius: 8px; padding: 12px 18px; display: flex; justify-content: space-between; align-items: center; }
.placard-band .b { font-weight: 800; letter-spacing: .5px; }
.placard-band .b span { color: var(--accent); }
.placard-code { font-size: 64px; font-weight: 900; letter-spacing: -1px; margin: 14mm 0 4mm; font-family: var(--mono); }
.placard-sub { font-size: 16px; color: var(--ink-soft); margin-bottom: 12mm; }
.placard-qr { width: 120mm; height: 120mm; }
.placard-token { font-family: var(--mono); font-size: 10px; color: var(--ink-soft); margin-top: 6mm; }
.placard-instructions {
  margin-top: auto; width: 100%; border: 2px solid var(--ink); border-radius: 10px; padding: 14px 18px;
}
.placard-instructions h4 { font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 8px; }
.placard-instructions ol { margin-left: 18px; font-size: 13px; }

/* ---------- demo slideshow ---------- */

.slides { position: relative; }
.slide {
  display: none; background: var(--ink); color: #fff; border-radius: 16px;
  padding: 56px 64px; min-height: 460px;
}
.slide.visible { display: block; }
.slide .k { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; }
.slide h2 { font-size: 34px; margin: 12px 0 18px; line-height: 1.15; letter-spacing: -.5px; border: none; }
.slide p, .slide li { color: #c8cace; font-size: 16px; max-width: 640px; }
.slide ul { margin: 12px 0 0 20px; display: grid; gap: 8px; }
.slide b { color: #fff; }
.slide .big-stat { font-family: var(--mono); font-size: 56px; font-weight: 700; color: var(--accent); margin: 18px 0 6px; }
.slide-nav { display: flex; align-items: center; gap: 16px; justify-content: center; margin-top: 18px; }
.slide-nav button { background: var(--ink); color: #fff; border: none; border-radius: 7px; padding: 10px 18px; font-weight: 800; cursor: pointer; }
.slide-nav .count { font-family: var(--mono); font-size: 13px; color: var(--ink-soft); }

.empty { color: var(--ink-soft); font-size: 13.5px; padding: 18px 0; }