/* Naissus Tire Inspection Report — vaporwave theme, cyan-led.
   Phone-first (390 wide), tablet ≥700, desktop ≥960. System fonts only; no CDN; works offline. */

:root {
  /* palette */
  --cyan: #2EF2FF;
  --cyan-2: #00C2D6;
  --cyan-ink: #04212A;
  --magenta: #FF4FD8;
  --violet: #8B6CFF;
  --sun: #FFB347;
  --ground: #070A1C;
  --ground-2: #0E1033;
  --card: rgba(16, 20, 54, 0.78);
  --card-solid: #121640;
  --ink: #EEF6FF;
  --ink-2: #9FB4D4;
  --rule: rgba(46, 242, 255, 0.22);
  --rule-2: rgba(46, 242, 255, 0.45);
  --ok: #4DF2B0;
  --warn: #FFB347;
  --bad: #FF5C8A;
  --tire: #0B0F2A;
  --tire-ink: #EEF6FF;
  --focus: #2EF2FF;
  /* keep the old names alive for inline hooks */
  --navy: #121640;
  --navy-ink: #04212A;
  --amber: #2EF2FF;
  --amber-ink: #04212A;
  --glow: 0 0 0 1px rgba(46,242,255,0.18), 0 0 24px rgba(46,242,255,0.14);
  --glow-strong: 0 0 0 1px rgba(46,242,255,0.5), 0 0 28px rgba(46,242,255,0.45);
  --radius: 16px;
  --tap: 48px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.45;
  padding-bottom: calc(40px + env(safe-area-inset-bottom));
  position: relative;
}
/* Horizon: sun glow at the top, perspective grid at the bottom. Fixed so it never scrolls with content. */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(60% 40% at 50% -10%, rgba(255,79,216,0.28), transparent 70%),
    radial-gradient(50% 35% at 85% 0%, rgba(46,242,255,0.20), transparent 70%),
    linear-gradient(180deg, #0B0D2B 0%, var(--ground) 45%, #060818 100%);
}
body::after {
  content: ""; position: fixed; left: -20%; right: -20%; bottom: 0; height: 42vh; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(46,242,255,0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,242,255,0.16) 1px, transparent 1px);
  background-size: 100% 44px, 64px 100%;
  transform: perspective(520px) rotateX(62deg);
  transform-origin: 50% 100%;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 55%);
  mask-image: linear-gradient(180deg, transparent, #000 55%);
  opacity: 0.55;
}
h1, h2, h3 { line-height: 1.15; margin: 0 0 8px; letter-spacing: -0.3px; }
h1 { font-size: 26px; font-weight: 800; }
h2 { font-size: 20px; font-weight: 700; }
h3 { font-size: 18px; font-weight: 700; }
p { margin: 0 0 12px; }
a { color: var(--cyan); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Header: the Naissus mark */
.brand {
  position: relative; z-index: 20;
  background: rgba(7,10,28,0.72);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  display: flex; align-items: center; gap: 12px;
}
.brand .mark {
  display: inline-grid; place-items: center;
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--violet) 70%, var(--magenta));
  color: var(--cyan-ink);
  font-weight: 900; font-size: 22px; letter-spacing: -0.5px;
  box-shadow: 0 0 18px rgba(46,242,255,0.45);
}
.brand .word {
  font-weight: 900; letter-spacing: 4px; font-size: 18px;
  background: linear-gradient(90deg, var(--cyan), #9FF9FF 60%, var(--magenta));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand > div { min-width: 0; }
.brand .sub { font-size: 12px; color: var(--ink-2); display: block; letter-spacing: 1px; font-weight: 600; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand .spacer { flex: 1; }
.brand button { background: transparent; color: var(--cyan); border: 1px solid var(--rule-2); border-radius: 10px; min-height: 40px; padding: 0 12px; font-weight: 700; flex: 0 0 auto; }
.brand button + button { margin-left: -4px; }
.brand button:hover { background: rgba(46,242,255,0.1); }

main { padding: 16px; max-width: 640px; margin: 0 auto; }
.view[hidden] { display: none !important; }

/* Glass cards */
.card {
  background: var(--card);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.05);
  position: relative;
}
.card::before {
  content: ""; position: absolute; left: 18px; right: 18px; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 0.55;
}
.card.flag { border-color: var(--bad); }
.row { display: flex; gap: 12px; align-items: center; }
.row > * { flex: 1; }
.muted { color: var(--ink-2); font-size: 16px; }
.eyebrow { font-size: 13px; text-transform: uppercase; letter-spacing: 3px; color: var(--cyan); margin-bottom: 4px; font-weight: 700; }

label { display: block; font-weight: 700; margin: 16px 0 6px; color: var(--ink-2); font-size: 14px; text-transform: uppercase; letter-spacing: 1.5px; }
label.btn { text-transform: none; letter-spacing: 0; font-size: inherit; color: var(--ink); margin: 0; }
label:first-child { margin-top: 0; }
input[type=text], input[type=number], input[type=date], select, textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 10px 14px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: rgba(7,10,28,0.6);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input::placeholder, textarea::placeholder { color: #6F82A6; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--cyan); box-shadow: var(--glow); }
select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--cyan) 50%), linear-gradient(135deg, var(--cyan) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
textarea { min-height: 88px; resize: vertical; }
.hint { font-size: 15px; color: var(--ink-2); margin-top: 4px; }

.seg { display: flex; border: 1px solid var(--rule); border-radius: 12px; overflow: hidden; background: rgba(7,10,28,0.6); padding: 4px; gap: 4px; }
.seg button { flex: 1; min-height: calc(var(--tap) - 8px); border: 0; background: transparent; padding: 0 8px; border-radius: 9px; color: var(--ink-2); font-weight: 600; transition: background .15s, color .15s; }
.seg button[aria-pressed=true] { background: linear-gradient(135deg, var(--cyan), var(--cyan-2)); color: var(--cyan-ink); font-weight: 800; box-shadow: 0 0 16px rgba(46,242,255,0.35); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button {
  min-height: 44px; padding: 0 14px; border-radius: 22px;
  border: 1px solid var(--rule); background: rgba(7,10,28,0.55); color: var(--ink);
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.chips button:hover { border-color: var(--rule-2); }
.chips button[aria-pressed=true] { background: rgba(255,79,216,0.16); color: #FFC4F0; border-color: var(--magenta); font-weight: 700; box-shadow: 0 0 14px rgba(255,79,216,0.35); }

/* Buttons: .btn = violet glass, .amber = cyan CTA (name kept for the markup), .secondary = outline */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--tap); padding: 0 18px; border-radius: 12px;
  border: 1px solid rgba(139,108,255,0.7); background: linear-gradient(135deg, rgba(139,108,255,0.35), rgba(139,108,255,0.15));
  color: var(--ink); font-weight: 700; width: 100%; cursor: pointer;
  transition: transform .12s, box-shadow .15s, border-color .15s, filter .15s;
}
.btn:hover { border-color: var(--violet); box-shadow: 0 0 18px rgba(139,108,255,0.35); }
.btn:active { transform: translateY(1px) scale(0.995); }
.btn.secondary { background: transparent; color: var(--ink); border-color: var(--rule-2); }
.btn.secondary:hover { background: rgba(46,242,255,0.08); box-shadow: var(--glow); }
.btn.amber { background: linear-gradient(135deg, var(--cyan) 0%, #5CE0FF 55%, var(--cyan-2) 100%); color: var(--cyan-ink); border-color: transparent; box-shadow: 0 0 22px rgba(46,242,255,0.4); }
.btn.amber:hover { filter: brightness(1.08); box-shadow: 0 0 30px rgba(46,242,255,0.6); }
.btn.danger { background: transparent; color: var(--bad); border-color: rgba(255,92,138,0.6); }
.btn.danger:hover { background: rgba(255,92,138,0.1); box-shadow: 0 0 16px rgba(255,92,138,0.3); }
.btn + .btn { margin-top: 10px; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; box-shadow: none; filter: none; }

/* Tread steppers: one row per reading so the buttons stay 48px at phone width */
.tread { display: grid; gap: 8px; }
.tread .cell { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tread .cell span { font-size: 16px; color: var(--ink-2); }
.stepper { display: flex; border: 1px solid var(--rule); border-radius: 12px; overflow: hidden; flex: 0 0 auto; background: rgba(7,10,28,0.6); }
.stepper button { width: var(--tap); min-height: var(--tap); border: 0; background: rgba(46,242,255,0.08); color: var(--cyan); font-size: 24px; font-weight: 700; }
.stepper button:hover { background: rgba(46,242,255,0.18); }
.stepper input { width: 72px; min-width: 0; text-align: center; border: 0; border-radius: 0; background: transparent; font-family: var(--mono); font-size: 22px; font-weight: 700; color: var(--ink); }
.stepper input:focus { box-shadow: none; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* Vehicle drawing (SVG top view) */
.vehicle { display: grid; gap: 14px; justify-items: center; padding: 8px 0 4px; }
.vehicle svg { width: 100%; max-width: 420px; height: auto; display: block; margin: 0 auto; filter: drop-shadow(0 0 18px rgba(46,242,255,0.12)); }
.vehicle .v-body { fill: #1B2150; stroke: #6FD9E8; stroke-width: 2; }
.vehicle .v-hood { fill: #171C45; }
.vehicle .v-box { fill: #1E2458; }
.vehicle .v-glass { fill: #2EC8DD; opacity: 0.85; }
.vehicle .v-trim { fill: #6FD9E8; }
.vehicle .v-wheel { fill: none; stroke: #9FB4D4; stroke-width: 3; }
.vehicle .v-wheel-hub { fill: #9FB4D4; }
.vehicle .v-rail { fill: #4B5BA8; }
.vehicle .v-axle { fill: #5A6CC2; }
.vehicle .v-fifth { fill: #2C3570; stroke: #6FD9E8; stroke-width: 2; }
.vehicle .v-fifth-notch { fill: #1E2458; }
.vehicle .v-pin { fill: #6FD9E8; }
.vehicle .v-gear { fill: #2C3570; stroke: #6FD9E8; stroke-width: 1.5; }
.vehicle .v-door { stroke: #6FD9E8; stroke-width: 2; }
.vehicle .v-cap { font-size: 14px; font-weight: 800; letter-spacing: 3px; fill: var(--cyan); }
.vehicle .v-side { font-size: 13px; font-weight: 800; letter-spacing: 3px; fill: var(--magenta); }
.vehicle .v-small { font-size: 11px; letter-spacing: 1.5px; fill: #9FB4D4; text-transform: uppercase; font-weight: 700; }
.vehicle g.v-tire { cursor: pointer; }
.vehicle g.v-tire rect { fill: var(--tire); stroke: #3E4C86; stroke-width: 3; transition: stroke .15s, filter .15s; }
.vehicle g.v-tire line { stroke: #3E4C86; stroke-width: 2; }
.vehicle g.v-tire circle { fill: var(--cyan); }
.vehicle g.v-tire text { font-size: 15px; font-weight: 900; fill: var(--cyan-ink); }
.vehicle g.v-tire:hover rect { stroke: var(--cyan); filter: drop-shadow(0 0 6px rgba(46,242,255,0.7)); }
.vehicle g.v-spare { cursor: pointer; }
.vehicle g.v-spare rect { fill: transparent; stroke: #5A6CC2; stroke-width: 2.5; stroke-dasharray: 6 4; }
.vehicle g.v-spare.full rect { fill: var(--tire); stroke: #3E4C86; stroke-dasharray: none; }
.vehicle g.v-spare circle { fill: var(--magenta); }
.vehicle g.v-spare.empty circle { fill: #2C3570; }
.vehicle g.v-spare text { font-size: 13px; font-weight: 900; fill: var(--ink); }
.vehicle g.v-spare.full text { fill: var(--cyan-ink); }
.vehicle g.v-spare .v-serial { font-size: 10px; font-weight: 600; font-family: var(--mono); fill: var(--ink-2); letter-spacing: 0; }
.vehicle g.v-spare:focus-visible rect { stroke: var(--focus); stroke-width: 4; }
.vehicle g.v-off { opacity: 0.3; cursor: not-allowed; }
.vehicle g.v-suggest rect { stroke: var(--magenta); stroke-width: 4; stroke-dasharray: none; filter: drop-shadow(0 0 8px rgba(255,79,216,0.8)); }
.vehicle g.v-tire.done rect { stroke: var(--ok); filter: drop-shadow(0 0 6px rgba(77,242,176,0.55)); }
.vehicle g.v-tire.done circle { fill: var(--ok); }
.vehicle g.v-tire.flag rect { stroke: var(--bad); filter: drop-shadow(0 0 8px rgba(255,92,138,0.7)); }
.vehicle g.v-tire.flag circle { fill: var(--bad); }
.vehicle g.v-tire.flag text { fill: #2A0612; }
.vehicle g.v-tire:focus-visible rect { stroke: var(--focus); stroke-width: 4; }

.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; color: var(--ink-2); margin-top: 8px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 6px; vertical-align: middle; box-shadow: 0 0 8px currentColor; }

/* Photos */
.photos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.photos figure { margin: 0; position: relative; }
.photos img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; border: 1px solid var(--rule-2); }
.photos button { position: absolute; top: 4px; right: 4px; min-width: 36px; min-height: 36px; border-radius: 50%; border: 0; background: rgba(7,10,28,0.8); color: var(--magenta); font-weight: 800; }
.photo-actions { display: flex; gap: 10px; }
.photo-actions .btn { width: auto; flex: 1; font-size: 16px; padding: 0 10px; }
input[type=file] { position: absolute; width: 1px; height: 1px; opacity: 0; }

/* Status banners */
.banner { padding: 12px 14px; border-radius: 12px; margin-bottom: 12px; font-size: 16px; }
.banner.bad { background: rgba(255,92,138,0.12); color: #FFC2D3; border: 1px solid var(--bad); }
.banner.ok { background: rgba(77,242,176,0.1); color: #C6FFE9; border: 1px solid var(--ok); }
.banner.info { background: rgba(46,242,255,0.07); border: 1px solid var(--rule); }

/* Tables: the data zone stays flat and high contrast */
table { width: 100%; border-collapse: collapse; font-size: 16px; table-layout: fixed; }
td.num, th.num { width: 60px; }
tr.sub td { padding-top: 0; border-top: 0; color: var(--ink-2); font-size: 14px; }
tr.sub + tr td, tr:has(+ tr.sub) td { border-bottom: 0; }
th, td { text-align: left; padding: 10px 6px; border-bottom: 1px solid rgba(159,180,212,0.18); vertical-align: top; }
th { font-size: 13px; text-transform: uppercase; letter-spacing: 2px; color: var(--cyan); }
td.num, th.num { text-align: right; font-family: var(--mono); }
.pill { display: inline-block; margin: 0 4px 4px 0; padding: 2px 10px; border-radius: 12px; font-size: 14px; font-weight: 700; }
.pill.ok { background: rgba(77,242,176,0.14); color: var(--ok); }
.pill.bad { background: rgba(255,92,138,0.16); color: var(--bad); }
.pill.warn { background: rgba(255,179,71,0.16); color: var(--warn); }
.pill.neutral { background: rgba(159,180,212,0.14); color: var(--ink-2); }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 10px 0 10px 20px; border-left: 2px solid var(--rule-2); position: relative; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 16px; width: 12px; height: 12px; border-radius: 50%; background: var(--magenta); box-shadow: 0 0 10px var(--magenta); }
.timeline time { display: block; font-size: 14px; color: var(--cyan); font-family: var(--mono); }

.list { list-style: none; margin: 0; padding: 0; }
.list li { border-bottom: 1px solid rgba(159,180,212,0.16); }
.list li:last-child { border-bottom: 0; }
.list button { width: 100%; text-align: left; background: transparent; border: 0; padding: 12px 8px; min-height: 56px; display: flex; justify-content: space-between; align-items: center; gap: 12px; border-radius: 10px; transition: background .15s; }
.list button:hover { background: rgba(46,242,255,0.07); }
.list button span.r { color: var(--ink-2); font-size: 15px; white-space: nowrap; }

.toast {
  position: fixed; left: 16px; right: 16px; bottom: calc(24px + env(safe-area-inset-bottom)); z-index: 30;
  background: rgba(16,20,54,0.95); color: var(--ink); padding: 12px 16px; border-radius: 12px; font-size: 16px;
  border: 1px solid var(--cyan); box-shadow: var(--glow-strong);
  opacity: 0; transform: translateY(8px); transition: opacity .2s, transform .2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }

/* Rotation board */
.vehicle g.v-tire.v-empty rect { fill: transparent; stroke: #5A6CC2; stroke-dasharray: 6 4; filter: none; }
.vehicle g.v-tire.v-empty line { display: none; }
.vehicle g.v-tire.v-empty circle { fill: #2C3570; }
.vehicle g.v-tire.v-empty text { fill: #9FB4D4; }
.vehicle .v-serial { font-size: 7.5px; font-weight: 700; font-family: var(--mono); fill: var(--ink-2); }
.vehicle g.v-moved rect { stroke: var(--magenta); stroke-width: 4; }
.vehicle g.v-moved circle { fill: var(--magenta); }
.vehicle g.v-moved text { fill: #2A0A24; }
.vehicle g.v-loose rect { stroke: var(--magenta); stroke-width: 4; fill: var(--tire); filter: drop-shadow(0 0 10px rgba(255,79,216,0.8)); }
.vehicle g.v-loose circle { fill: var(--magenta); }
.vehicle g.v-loose text { fill: #2A0A24; }
.vehicle g.v-sel rect { stroke: var(--cyan); stroke-width: 5; filter: drop-shadow(0 0 10px rgba(46,242,255,0.9)); }
.vehicle g.v-tire, .vehicle g.v-spare { touch-action: none; cursor: grab; }
.vehicle g.drop-over rect { stroke: var(--cyan); stroke-width: 5; stroke-dasharray: none; filter: drop-shadow(0 0 10px rgba(46,242,255,0.9)); }
.bins { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.bin { border: 2px dashed var(--rule-2); border-radius: 14px; padding: 10px 12px; min-height: 64px; background: rgba(7,10,28,0.4); }
.bin strong { display: block; } .bin .muted { font-size: 14px; display: block; }
.bin.discard { border-color: rgba(255,92,138,0.7); }
.bin.drop-over { outline: 3px solid var(--cyan); outline-offset: 2px; box-shadow: var(--glow-strong); }
.bin-items { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip.small { display: inline-block; padding: 4px 10px; border-radius: 14px; background: var(--tire); color: var(--cyan); border: 1px solid var(--rule-2); font-weight: 700; font-size: 14px; }
.ghost { position: fixed; left: 0; top: 0; z-index: 50; pointer-events: none; padding: 12px 18px; border-radius: 26px; background: var(--tire); color: var(--ink); font-weight: 800; font-size: 18px; border: 3px solid var(--magenta); box-shadow: 0 0 24px rgba(255,79,216,0.7), 0 8px 24px rgba(0,0,0,0.5); }
body.dragging { user-select: none; -webkit-user-select: none; }

/* Pick lists under lookup fields */
.picks { margin-top: 6px; border: 1px solid var(--rule-2); border-radius: 12px; background: var(--card-solid); max-height: 264px; overflow-y: auto; box-shadow: var(--glow); }
.picks button { display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; min-height: 48px; padding: 0 14px; border: 0; border-bottom: 1px solid rgba(159,180,212,0.14); background: transparent; color: var(--ink); text-align: left; font-weight: 600; }
.picks button:last-child { border-bottom: 0; }
@media (max-width: 420px) { .add-row .seg { min-width: 0; } .add-row .seg button { font-size: 15px; } }
.picks button:hover, .picks button:focus-visible { background: rgba(46,242,255,0.1); outline: none; }
.picks .r { color: var(--ink-2); font-size: 14px; font-weight: 500; white-space: nowrap; }

/* Fleet setup */
.add-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; margin-bottom: 8px; }
#fleet-unit-form { grid-template-columns: 1fr 1fr auto; }
.add-row .seg { min-width: 160px; }
.add-row .btn { width: auto; padding: 0 16px; }
.add-row .btn + .btn { margin-top: 0; }
.roster-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 56px; padding: 6px 4px; }
.roster-actions { display: flex; gap: 6px; flex: 0 0 auto; }
.roster-actions button { min-height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--rule-2); background: transparent; color: var(--cyan); font-weight: 700; font-size: 15px; }
.roster-actions button:hover { background: rgba(46,242,255,0.1); }
.roster-actions button[data-act="retire"], .roster-actions button[data-act="remove"] { color: var(--bad); border-color: rgba(255,92,138,0.5); }
.roster li.editing { padding: 10px 0; }
.unit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.unit-grid > div:nth-child(2) { grid-column: 1 / -1; }
.unit-grid label { margin-top: 12px; }
.unit-grid label input { margin-top: 6px; }
.unit-form .seg { margin-bottom: 4px; }
.roster li.editing .row .btn { width: auto; flex: 1; }
.roster li.editing .row .btn + .btn { margin-top: 0; }
.roster li.editing .add-row { grid-template-columns: 1fr auto auto; margin: 0; }
.toggle-line { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 600; color: var(--ink-2); }

/* Progress bar */
.bar { height: 10px; border-radius: 6px; background: rgba(7,10,28,0.7); border: 1px solid var(--rule); overflow: hidden; margin: 4px 0 10px; }
.bar i { display: block; height: 100%; width: 0; border-radius: 6px; background: linear-gradient(90deg, var(--cyan), var(--magenta)); box-shadow: 0 0 12px rgba(46,242,255,0.6); transition: width .3s; }

/* Tire form actions */
.actions { margin-top: 16px; }

/* Look up: four actions */
.lookup-grid { display: grid; gap: 10px; }
.lookup-grid .btn + .btn { margin-top: 0; }

/* Scanlines: on the drawing card only, 4% */
.card.draw { overflow: hidden; }
.card.draw::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: repeating-linear-gradient(180deg, rgba(46,242,255,0.05) 0 1px, transparent 1px 3px);
}
.card.draw > * { position: relative; z-index: 1; }

/* Start screen hero */
#view-start h1 { font-size: 30px; }

/* ---------- Tablet (≥700px) ---------- */
@media (min-width: 700px) {
  .brand { position: sticky; top: 0; }
  .add-row .seg { min-width: 200px; }
  .unit-grid { grid-template-columns: repeat(3, 1fr); }
  .unit-grid > div:nth-child(2) { grid-column: auto; }
  main { max-width: 800px; padding: 20px; }
  h1 { font-size: 28px; }
  .vehicle svg { max-width: 520px; }
  .tread { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .tread .cell { flex-direction: column; align-items: stretch; gap: 6px; }
  .tread .cell span { text-align: center; font-size: 14px; text-transform: uppercase; letter-spacing: 1.5px; }
  .tread .stepper { display: grid; grid-template-columns: 1fr 1fr; grid-template-areas: "val val" "minus plus"; }
  .tread .stepper button:first-child { grid-area: minus; width: auto; border-top: 1px solid var(--rule); }
  .tread .stepper button:last-child { grid-area: plus; width: auto; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
  .tread .stepper input { grid-area: val; width: 100%; min-height: 64px; font-size: 32px; }
  .seg button { white-space: nowrap; font-size: 16px; }
  .photos { grid-template-columns: repeat(4, 1fr); }
  #view-start { display: grid; grid-template-columns: 1.15fr 1fr; gap: 16px; align-items: start; }
  #view-start .card:first-child { grid-row: 1 / span 2; }
  #view-start .card { margin-bottom: 0; }
}

@media (min-width: 700px) and (max-width: 959px) {
  #view-diagram, #view-rotate, #view-tires, #view-summary, #view-patterns, #view-fleet { max-width: 700px; margin: 0 auto; }
  body[data-view="tire"] main { max-width: 1000px; display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 16px; align-items: start; }
  body[data-view="tire"] #view-diagram { grid-column: 1; position: sticky; top: 80px; max-width: none; margin: 0; }
  body[data-view="tire"] #view-diagram .card.head { display: none; }
  body[data-view="tire"] #view-diagram .card.foot { display: none; }
  body[data-view="tire"] #view-tire { grid-column: 2; max-width: none; margin: 0; }
}

/* ---------- Desktop (≥960px): bento shell ---------- */
@media (min-width: 960px) {
  body { font-size: 17px; }
  .brand { padding: 14px 32px; }
  .brand .word { font-size: 20px; letter-spacing: 5px; }
  main { max-width: 1280px; padding: 28px 32px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
  .view { grid-column: 1 / -1; }
  h1 { font-size: 34px; }
  #view-start h1 { font-size: 40px; }
  .card { padding: 24px; }

  /* start: bento. form spans two rows; recent and look-up share the right */
  #view-start { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: auto 1fr; gap: 24px; }
  #view-start .card.form { grid-row: 1 / span 2; }
  #view-start .card.recent { min-height: 320px; }
  .lookup-grid { grid-template-columns: 1fr 1fr; }

  /* diagram + tire card: three-column shell. rail (context + progress) | drawing | tire card */
  body[data-view="diagram"] main, body[data-view="tire"] main { grid-template-columns: 300px minmax(0, 1fr) minmax(0, 420px); grid-template-rows: auto 1fr; gap: 24px; align-items: start; }
  body[data-view="diagram"] #view-diagram, body[data-view="tire"] #view-diagram { display: contents; }
  #view-diagram .card.head { grid-column: 1; grid-row: 1; margin: 0; }
  #view-diagram .card.foot { grid-column: 1; grid-row: 2; margin: 0; position: sticky; top: 92px; }
  #view-diagram .card.draw { grid-column: 2; grid-row: 1 / span 2; margin: 0; position: sticky; top: 92px; min-height: calc(100vh - 120px); display: grid; align-content: center; }
  body[data-view="diagram"] #view-diagram .card.draw { grid-column: 2 / span 2; }
  body[data-view="tire"] #view-tire { grid-column: 3; grid-row: 1 / span 2; position: sticky; top: 92px; max-height: calc(100vh - 120px); overflow-y: auto; margin: 0; }
  #view-tire .card { margin: 0; }
  #view-tire .actions { position: sticky; bottom: -24px; margin: 16px -24px -24px; padding: 14px 24px 24px; background: var(--card-solid); border-top: 1px solid var(--rule); }
  #tire-title { font-size: 44px; letter-spacing: -1px; }
  #diag-title { font-size: 30px; }
  .vehicle svg { max-width: 620px; }

  #view-fleet { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
  #view-fleet .card { margin-bottom: 0; }
  #view-fleet .card:first-child { grid-column: 1 / -1; }
  #view-fleet .card:nth-child(2) { grid-row: 2 / span 2; }
  #view-fleet .card:nth-child(4) { grid-column: 2; }
  #view-rotate { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); grid-template-rows: auto 1fr; gap: 24px; align-items: stretch; }
  #view-rotate .card.draw { grid-row: 1 / span 2; margin-bottom: 0; }
  #view-rotate .card { margin-bottom: 0; }
  #view-rotate .card.moves { display: flex; flex-direction: column; }
  #view-rotate .card.moves .list { flex: 1; }
  #view-rotate .vehicle svg { max-width: 760px; }
  #view-tires { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
  #view-tires .card:first-child { grid-row: 1 / span 2; }
  #view-summary, #view-patterns { max-width: 880px; justify-self: center; width: 100%; }
  body { padding-bottom: 48px; }
  .toast { left: auto; right: 32px; max-width: 420px; bottom: 28px; }
}

/* ---------- Daylight: the default. Night is on the header toggle. ---------- */
:root[data-theme="light"] {
  --cyan: #00A6BD;
  --cyan-2: #007F97;
  --cyan-ink: #04212A;
  --magenta: #D11FA8;
  --violet: #5B43E6;
  --ground: #EEF7FB;
  --ground-2: #FFFFFF;
  --card: rgba(255, 255, 255, 0.86);
  --card-solid: #FFFFFF;
  --ink: #0B1430;
  --ink-2: #44557A;
  --rule: rgba(0, 127, 151, 0.28);
  --rule-2: rgba(0, 127, 151, 0.55);
  --ok: #0E8A5F;
  --warn: #8A4D00;
  --bad: #C2143F;
  --tire: #161C3D;
  --tire-ink: #FFFFFF;
  --focus: #007F97;
  --navy: #FFFFFF;
  --amber: #00A6BD;
  --glow: 0 0 0 1px rgba(0,166,189,0.25), 0 0 16px rgba(0,166,189,0.18);
  --glow-strong: 0 0 0 1px rgba(0,166,189,0.6), 0 0 20px rgba(0,166,189,0.35);
  color-scheme: light;
}
:root[data-theme="light"] body::before {
  background:
    radial-gradient(60% 40% at 50% -10%, rgba(255,79,216,0.18), transparent 70%),
    radial-gradient(50% 35% at 85% 0%, rgba(46,242,255,0.28), transparent 70%),
    linear-gradient(180deg, #F7FBFD 0%, var(--ground) 45%, #E3F0F7 100%);
}
:root[data-theme="light"] body::after {
  background-image:
    linear-gradient(rgba(0,127,151,0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,127,151,0.22) 1px, transparent 1px);
  opacity: 0.5;
}
:root[data-theme="light"] .brand { background: rgba(255,255,255,0.78); }
:root[data-theme="light"] .brand .word { background: linear-gradient(90deg, #007F97, #00A6BD 60%, #D11FA8); -webkit-background-clip: text; background-clip: text; }
:root[data-theme="light"] .brand .mark { box-shadow: 0 0 14px rgba(0,166,189,0.35); }
:root[data-theme="light"] .card { box-shadow: 0 8px 24px rgba(11,20,48,0.08), inset 0 1px 0 #fff; }
:root[data-theme="light"] input[type=text], :root[data-theme="light"] input[type=number], :root[data-theme="light"] input[type=date], :root[data-theme="light"] select, :root[data-theme="light"] textarea { background: rgba(255,255,255,0.9); }
:root[data-theme="light"] input::placeholder, :root[data-theme="light"] textarea::placeholder { color: #7A8AA8; }
:root[data-theme="light"] .seg { background: rgba(255,255,255,0.7); }
:root[data-theme="light"] .seg button[aria-pressed=true] { color: #fff; background: linear-gradient(135deg, #00A6BD, #007F97); box-shadow: 0 0 12px rgba(0,166,189,0.3); }
:root[data-theme="light"] .chips button { background: rgba(255,255,255,0.8); }
:root[data-theme="light"] .chips button[aria-pressed=true] { background: rgba(209,31,168,0.12); color: #8E1372; box-shadow: 0 0 10px rgba(209,31,168,0.25); }
:root[data-theme="light"] .btn { background: linear-gradient(135deg, rgba(91,67,230,0.16), rgba(91,67,230,0.06)); border-color: rgba(91,67,230,0.55); }
:root[data-theme="light"] .btn.amber { background: linear-gradient(135deg, #00C3DB 0%, #00A6BD 55%, #007F97 100%); color: #fff; box-shadow: 0 0 16px rgba(0,166,189,0.35); }
:root[data-theme="light"] .btn.secondary { background: rgba(255,255,255,0.7); }
:root[data-theme="light"] .stepper { background: rgba(255,255,255,0.9); }
:root[data-theme="light"] .stepper button { background: rgba(0,166,189,0.1); }
:root[data-theme="light"] .stepper button:hover { background: rgba(0,166,189,0.2); }
:root[data-theme="light"] .bar { background: rgba(0,127,151,0.1); }
:root[data-theme="light"] .bar i { box-shadow: 0 0 10px rgba(0,166,189,0.45); }
:root[data-theme="light"] .banner.bad { background: rgba(194,20,63,0.08); color: #8E0F2F; }
:root[data-theme="light"] .banner.ok { background: rgba(14,138,95,0.1); color: #0B5E42; }
:root[data-theme="light"] .banner.info { background: rgba(0,166,189,0.07); }
:root[data-theme="light"] th, :root[data-theme="light"] td { border-bottom-color: rgba(68,85,122,0.22); }
:root[data-theme="light"] .pill.ok { background: rgba(14,138,95,0.12); }
:root[data-theme="light"] .pill.bad { background: rgba(194,20,63,0.1); }
:root[data-theme="light"] .pill.warn { background: rgba(138,77,0,0.12); }
:root[data-theme="light"] .pill.neutral { background: rgba(68,85,122,0.1); }
:root[data-theme="light"] .list li { border-bottom-color: rgba(68,85,122,0.18); }
:root[data-theme="light"] .list button:hover { background: rgba(0,166,189,0.08); }
:root[data-theme="light"] .photos button { background: rgba(255,255,255,0.9); color: var(--magenta); }
:root[data-theme="light"] .toast { background: #fff; }
:root[data-theme="light"] .bin { background: rgba(255,255,255,0.6); }
:root[data-theme="light"] .chip.small { color: #fff; }
:root[data-theme="light"] .ghost { color: #fff; }
:root[data-theme="light"] .card.draw::after { background: repeating-linear-gradient(180deg, rgba(0,127,151,0.05) 0 1px, transparent 1px 3px); }
/* drawing, lit */
:root[data-theme="light"] .vehicle svg { filter: drop-shadow(0 6px 14px rgba(11,20,48,0.12)); }
:root[data-theme="light"] .vehicle .v-body { fill: #DCE9F3; stroke: #007F97; }
:root[data-theme="light"] .vehicle .v-hood { fill: #CFDFEC; }
:root[data-theme="light"] .vehicle .v-box { fill: #E7F0F7; }
:root[data-theme="light"] .vehicle .v-glass { fill: #5FD3E6; opacity: 1; }
:root[data-theme="light"] .vehicle .v-trim { fill: #007F97; }
:root[data-theme="light"] .vehicle .v-wheel { stroke: #44557A; }
:root[data-theme="light"] .vehicle .v-wheel-hub { fill: #44557A; }
:root[data-theme="light"] .vehicle .v-rail { fill: #8FA3C8; }
:root[data-theme="light"] .vehicle .v-axle { fill: #6F84B8; }
:root[data-theme="light"] .vehicle .v-fifth { fill: #C9D7E6; stroke: #007F97; }
:root[data-theme="light"] .vehicle .v-fifth-notch { fill: #E7F0F7; }
:root[data-theme="light"] .vehicle .v-pin { fill: #007F97; }
:root[data-theme="light"] .vehicle .v-gear { fill: #C9D7E6; stroke: #007F97; }
:root[data-theme="light"] .vehicle .v-door { stroke: #007F97; }
:root[data-theme="light"] .vehicle .v-small { fill: #44557A; }
:root[data-theme="light"] .vehicle g.v-tire rect { stroke: #6F84B8; }
:root[data-theme="light"] .vehicle g.v-tire line { stroke: #6F84B8; }
:root[data-theme="light"] .vehicle g.v-tire circle { fill: #5FEAFF; }
:root[data-theme="light"] .vehicle g.v-tire:hover rect { stroke: #007F97; filter: drop-shadow(0 0 5px rgba(0,166,189,0.6)); }
:root[data-theme="light"] .vehicle g.v-tire.done rect { filter: drop-shadow(0 0 5px rgba(14,138,95,0.5)); }
:root[data-theme="light"] .vehicle g.v-tire.done text { fill: #fff; }
:root[data-theme="light"] .vehicle g.v-tire.flag text { fill: #fff; }
:root[data-theme="light"] .vehicle g.v-spare rect { stroke: #6F84B8; }
:root[data-theme="light"] .vehicle g.v-spare.empty circle { fill: #DCE9F3; }
:root[data-theme="light"] .vehicle g.v-spare text { fill: var(--ink); }
:root[data-theme="light"] .vehicle g.v-spare.full text { fill: #fff; }
:root[data-theme="light"] .vehicle g.v-tire.v-empty rect { stroke: #6F84B8; }
:root[data-theme="light"] .vehicle g.v-tire.v-empty circle { fill: #DCE9F3; }
:root[data-theme="light"] .vehicle g.v-tire.v-empty text { fill: #44557A; }
:root[data-theme="light"] .vehicle g.v-moved text, :root[data-theme="light"] .vehicle g.v-loose text { fill: #fff; }

:root[data-theme="light"] .picks button { border-bottom-color: rgba(68,85,122,0.18); }
:root[data-theme="light"] .picks button:hover { background: rgba(0,166,189,0.1); }

:root[data-theme="light"] .roster-actions button:hover { background: rgba(0,166,189,0.1); }