:root {
  --ink: #14181f;
  --ink-2: #3b434e;
  --mute: #6b7480;
  --line: #e2e5ea;
  --bg: #f3f4f6;
  --card: #ffffff;
  --accent: #1f5eff;
  --accent-ink: #ffffff;
  --pass: #1f8a4c;
  --pass-bg: #e6f4ec;
  --defect: #c0262d;
  --defect-bg: #fbe3e4;
  --nt: #b57a00;
  --nt-bg: #fff3cc;
  --na: #6b7480;
  --na-bg: #eceef1;
  --safety: #c0262d;
  --urgent: #d9661a;
  --plan: #b58a00;
  --monitor: #2d6cdf;
  --info: #6b7480;
  --radius: 14px;
  --tap: 48px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { background: var(--bg); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overscroll-behavior-y: contain;
}
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
#app { min-height: 100dvh; display: flex; flex-direction: column; }
.screen { flex: 1; display: flex; flex-direction: column; padding-bottom: calc(96px + var(--safe-b)); }
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(243,244,246,.92); backdrop-filter: blur(10px);
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; min-height: 56px; border-bottom: 1px solid var(--line);
}
.topbar h1 { font-size: 18px; margin: 0; flex: 1; font-weight: 650; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .sub { display: block; font-size: 12px; color: var(--mute); font-weight: 500; }
.iconbtn {
  width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line); background: var(--card);
  display: inline-flex; align-items: center; justify-content: center; font-size: 18px; flex: none;
}
.save {
  font-size: 12px; color: var(--mute); padding: 6px 10px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); white-space: nowrap;
}
.save.saving { color: var(--accent); border-color: #c7d6ff; }
.save.offline { color: var(--nt); background: var(--nt-bg); border-color: #f1d98a; }
.save.error { color: var(--defect); background: var(--defect-bg); border-color: #f1b6b9; }
.content { padding: 14px 14px 0; display: flex; flex-direction: column; gap: 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.card h2 { font-size: 17px; margin: 0 0 6px; letter-spacing: -.01em; }
.muted { color: var(--mute); font-size: 14px; }
.small { font-size: 13px; }
.row { display: flex; align-items: center; gap: 10px; }
.grow { flex: 1; min-width: 0; }
.stack { display: flex; flex-direction: column; gap: 8px; }
.btn {
  min-height: var(--tap); padding: 0 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--card);
  font-weight: 600; display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { background: var(--defect); color: #fff; border-color: var(--defect); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; cursor: default; }
.btn.sm { min-height: 40px; padding: 0 14px; font-size: 14px; width: auto; }
.bottombar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 25;
  padding: 10px 14px calc(10px + var(--safe-b)); background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
  display: flex; gap: 10px; backdrop-filter: blur(10px);
}
.pill { display: inline-flex; align-items: center; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--na-bg); color: var(--ink-2); white-space: nowrap; }
.pill.s-IN_PROGRESS, .pill.s-DRAFT { background: #e3ecfb; color: var(--monitor); }
.pill.s-INCOMPLETE, .pill.s-REVISION_REQUIRED { background: var(--nt-bg); color: var(--nt); }
.pill.s-READY_FOR_REVIEW { background: #efe5fb; color: #6b2fbf; }
.pill.s-APPROVED, .pill.s-ISSUED { background: var(--pass-bg); color: var(--pass); }
.pill.def { background: var(--defect-bg); color: var(--defect); }
.pill.ok { background: var(--pass-bg); color: var(--pass); }

/* Session list */
.session { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; }
.session .plate { font-size: 22px; font-weight: 750; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.session .veh { color: var(--ink-2); }
.bar { height: 8px; border-radius: 999px; background: var(--na-bg); overflow: hidden; grid-column: 1 / -1; margin-top: 6px; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width .25s; }
.bar.done i { background: var(--pass); }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 2px 0; }
.chip { min-height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font-size: 14px; font-weight: 500; white-space: nowrap; }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* Forms */
label.f { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }
.input, textarea.input {
  width: 100%; min-height: var(--tap); padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff;
}
textarea.input { min-height: 84px; resize: vertical; }
.input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.input.err { border-color: var(--defect); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.opt { border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: #fff; }
.opt.on { border-color: var(--accent); box-shadow: 0 0 0 2px #c7d6ff inset; }
.opt .t { font-weight: 650; }
.price { font-weight: 750; font-variant-numeric: tabular-nums; }
.seg { display: flex; gap: 6px; }
.seg button { flex: 1; min-height: 44px; border-radius: 10px; border: 1px solid var(--line); background: #fff; font-weight: 600; }
.seg button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.check { display: flex; align-items: center; gap: 10px; min-height: var(--tap); }
.check input { width: 22px; height: 22px; }

/* Overview */
.ring { width: 96px; height: 96px; flex: none; }
.ring text { font: 700 20px system-ui; fill: var(--ink); }
.ring .lbl { font: 500 10px system-ui; fill: var(--mute); }
.sector-row {
  display: grid; grid-template-columns: 36px 1fr auto 20px; gap: 12px; align-items: center;
  padding: 12px 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); min-height: 64px; width: 100%; text-align: left;
}
.sector-row .ic { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; font-weight: 700; font-size: 13px; background: var(--na-bg); color: var(--ink-2); }
.sector-row.complete .ic { background: var(--pass-bg); color: var(--pass); }
.sector-row.partial .ic { background: #e3ecfb; color: var(--monitor); }
.sector-row.issues .ic { background: var(--nt-bg); color: var(--nt); }
.sector-row .n { font-weight: 600; }
.sector-row .m { font-size: 13px; color: var(--mute); }
.sector-row .cnt { font-size: 13px; color: var(--mute); font-variant-numeric: tabular-nums; text-align: right; }
.sector-row .chev { color: #b9c0c9; font-size: 18px; }

/* Items */
.item { border-left: 5px solid var(--line); }
.item.r-PASS { border-left-color: var(--pass); }
.item.r-DEFECT { border-left-color: var(--defect); }
.item.r-NOT_TESTED { border-left-color: var(--nt); }
.item.r-NOT_APPLICABLE { border-left-color: var(--na); }
.item .hd { display: flex; gap: 8px; align-items: flex-start; }
.item .hd h3 { font-size: 16px; margin: 0; font-weight: 650; flex: 1; }
.item .hint { color: var(--mute); font-size: 13px; margin: 3px 0 10px; }
.req { font-size: 11px; font-weight: 700; color: var(--mute); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; letter-spacing: .04em; }
.results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.results button { min-height: 52px; border-radius: 12px; border: 1px solid var(--line); background: #fff; font-weight: 650; font-size: 13px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; line-height: 1.1; }
.results button b { font-size: 17px; }
.results button.on.PASS { background: var(--pass); color: #fff; border-color: var(--pass); }
.results button.on.DEFECT { background: var(--defect); color: #fff; border-color: var(--defect); }
.results button.on.NOT_TESTED { background: var(--nt); color: #fff; border-color: var(--nt); }
.results button.on.NOT_APPLICABLE { background: var(--na); color: #fff; border-color: var(--na); }
.detail { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.sev { display: flex; flex-wrap: wrap; gap: 6px; }
.sev button { min-height: 38px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 13px; font-weight: 600; }
.sev button.on { color: #fff; }
.sev button.on.SAFETY { background: var(--safety); border-color: var(--safety); }
.sev button.on.URGENT { background: var(--urgent); border-color: var(--urgent); }
.sev button.on.PLAN { background: var(--plan); border-color: var(--plan); }
.sev button.on.MONITOR { background: var(--monitor); border-color: var(--monitor); }
.sev button.on.INFO { background: var(--info); border-color: var(--info); }
.meas { display: grid; gap: 8px; }
.meas.w4 { grid-template-columns: repeat(4, 1fr); }
.meas.w2 { grid-template-columns: repeat(2, 1fr); }
.meas.w3 { grid-template-columns: repeat(3, 1fr); }
.meas label.f { margin-bottom: 2px; font-size: 12px; }
.meas .input { text-align: center; padding: 8px; font-variant-numeric: tabular-nums; }
.photos { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; }
.thumb { width: 84px; height: 84px; flex: none; border-radius: 10px; overflow: hidden; background: #e8eaee; position: relative; border: 0; padding: 0; }
.thumb img, .thumb video { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb .pend { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(20,24,31,.7); color: #fff; font-size: 10px; text-align: center; padding: 2px; }
.thumb .play { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 30px; height: 30px; border-radius: 50%; background: rgba(0,0,0,.6); color: #fff; display: grid; place-items: center; font-size: 12px; }
.thumb .mark { position: absolute; left: 4px; top: 4px; color: #ff2d2d; font-weight: 800; font-size: 14px; text-shadow: 0 0 3px #fff; }
.thumb .ready { position: absolute; right: 4px; top: 4px; background: var(--pass); color: #fff; font-size: 11px; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; }
.media-prep { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 2px; }
.mp { display: flex; flex-direction: column; gap: 4px; align-items: flex-start; flex: none; max-width: 200px; }
.mp .check.small { min-height: 0; font-size: 12px; align-items: flex-start; }
.mp .check.small input { width: 18px; height: 18px; flex: none; }
.ph.big { position: relative; flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; }
.ph.big img { max-width: 100%; max-height: 100%; object-fit: contain; }
.ph.big svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.lightbox.tool .tool-stage { position: relative; flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; touch-action: none; }
.lightbox.tool .tool-stage img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; }
.lightbox.tool canvas { position: absolute; cursor: crosshair; touch-action: none; }
.lightbox .tool-hint { color: #ddd; font-size: 13px; text-align: center; padding: 6px 12px; background: #111; }
.lightbox .bar2 { flex-wrap: wrap; }
.lightbox .bar2 .btn { flex: 1 1 auto; width: auto; min-width: 90px; }
.lightbox .bar2 .btn.primary { background: var(--accent); border-color: var(--accent); }
details summary { cursor: pointer; }
.photo-actions { display: flex; gap: 8px; }
.photo-actions .btn { flex: 1; }
.issue { color: var(--defect); font-size: 13px; font-weight: 600; }
.issue::before { content: "! "; }
.spread { font-size: 13px; color: var(--ink-2); }

/* Sheet */
.sheet-bg { position: fixed; inset: 0; background: rgba(20,24,31,.45); z-index: 40; display: flex; align-items: flex-end; }
.sheet { background: #fff; width: 100%; max-height: 85dvh; overflow: auto; border-radius: 18px 18px 0 0; padding: 16px 16px calc(16px + var(--safe-b)); }
.sheet h2 { margin: 0 0 10px; font-size: 18px; }
.missing { display: flex; gap: 10px; align-items: center; width: 100%; text-align: left; padding: 10px 0; border: 0; border-top: 1px solid var(--line); background: none; }
.missing:first-of-type { border-top: 0; }
.missing .n { font-weight: 600; }
.missing .w { font-size: 13px; color: var(--defect); }
.lightbox { position: fixed; inset: 0; background: #000; z-index: 50; display: flex; flex-direction: column; }
.lightbox img, .lightbox video { flex: 1; min-height: 0; width: 100%; object-fit: contain; }
.lightbox .bar2 { display: flex; gap: 8px; padding: 10px 14px calc(10px + var(--safe-b)); background: #111; }
.lightbox .btn { background: #222; color: #fff; border-color: #333; }

/* Review */
.finding-card { border-left: 5px solid var(--info); }
.finding-card.SAFETY { border-left-color: var(--safety); }
.finding-card.URGENT { border-left-color: var(--urgent); }
.finding-card.PLAN { border-left-color: var(--plan); }
.finding-card.MONITOR { border-left-color: var(--monitor); }
.quote { background: var(--bg); border-radius: 10px; padding: 10px 12px; font-size: 14px; white-space: pre-wrap; }
.events { list-style: none; margin: 0; padding: 0; }
.events li { padding: 8px 0; border-top: 1px solid var(--line); font-size: 14px; }
.events li:first-child { border-top: 0; }
.events .t { color: var(--mute); font-size: 12px; }

#toast { position: fixed; left: 50%; bottom: calc(110px + var(--safe-b)); transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 12px; font-size: 14px; z-index: 60; max-width: 90vw; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
#toast.err { background: var(--defect); }
.login { max-width: 420px; margin: 10vh auto 0; padding: 20px; width: 100%; }
.logo { font-size: 28px; font-weight: 800; letter-spacing: -.02em; }
.logo span { color: var(--accent); }
@media (min-width: 720px) {
  .content, .bottombar { max-width: 720px; margin-left: auto; margin-right: auto; }
  .bottombar { left: 50%; transform: translateX(-50%); width: 100%; border-radius: 16px 16px 0 0; }
}

/* v0.5.0: readings placed on a car, front-desk lock, PDF documents */
.carin { display: grid; grid-template-columns: 1fr 64px 1fr; grid-template-rows: auto auto; gap: 12px 10px; align-items: center; }
.carin-axles { grid-template-columns: 1fr 64px; }
.carin .car-mini { grid-column: 2; grid-row: 1 / span 2; }
.carin .car-mini svg { width: 64px; height: 120px; display: block; }
.ci-FL, .ci-Front { grid-column: 1; grid-row: 1; }
.ci-FR { grid-column: 3; grid-row: 1; }
.ci-RL, .ci-Rear { grid-column: 1; grid-row: 2; }
.ci-RR { grid-column: 3; grid-row: 2; }
.ci label.f { font-size: 12px; margin-bottom: 2px; }
.ci .input { text-align: center; padding: 8px; font-variant-numeric: tabular-nums; font-size: 18px; font-weight: 600; }
.ci.low .input { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(31, 94, 255, .2); color: var(--accent); }
.figs { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.sector-row.locked { cursor: default; opacity: .8; }
.sector-row.locked .ic { font-size: 15px; }
.missing.locked { color: var(--mute); }
.thumb .doc, .docview { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; text-align: center; }
.thumb .doc { width: 100%; height: 100%; background: #f0f2f5; padding: 6px; }
.pdf { font-weight: 800; font-size: 11px; letter-spacing: .08em; color: #fff; background: var(--defect); padding: 3px 7px; border-radius: 5px; }
.thumb .doc .fn { font-size: 10px; line-height: 1.2; color: var(--ink-2); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; word-break: break-all; }
.docview { flex: 1; background: var(--card); color: var(--ink); margin: 16px; border-radius: var(--radius); padding: 24px 16px; gap: 10px; }
.docview .pdf { font-size: 16px; padding: 6px 12px; }
.docview b { word-break: break-all; }