/* ==========================================================================
   VIN Decoder Engine — orient-luxury design system
   Core tokens match the portable orient-luxury-core.css snippet used
   across the CIO Factory suite. Pair with the FOUC-guard script in
   index.html <head> and the .ol-grain overlay div.
   ========================================================================== */

:root,
:root[data-theme="dark"] {
  --ol-bg: #09080b;
  --ol-surface: #121016;
  --ol-surface-raised: #17141b;
  --ol-gold-1: #8a6820;
  --ol-gold-2: #c9a84c;
  --ol-gold-soft: rgba(201, 168, 76, 0.14);
  --ol-border: rgba(201, 168, 76, 0.18);
  --ol-text: #e8e2d4;
  --ol-text-dim: #9c9488;
  --ol-garnet: #a83e3e;
  --ol-shadow: rgba(0, 0, 0, 0.55);

  /* VIN Decoder subject accent: brushed-steel tones for the chassis
     plate, evoking a stamped aluminum VIN tag riveted to a door jamb. */
  --vd-steel-1: #3a3d43;
  --vd-steel-1-deep: #201f23;
  --vd-steel-2: #7c8189;
  --vd-steel-hi: #c7ccd4;
  --vd-good: #6fae7d;
  --vd-bad: #b5544f;
  --vd-warn: #c9a84c;
}

:root[data-theme="light"] {
  --ol-bg: #f4ecd8;
  --ol-surface: #fffdf7;
  --ol-surface-raised: #ffffff;
  --ol-gold-1: #8a6820;
  --ol-gold-2: #a9822f;
  --ol-gold-soft: rgba(138, 104, 32, 0.10);
  --ol-border: rgba(138, 104, 32, 0.25);
  --ol-text: #2b2418;
  --ol-text-dim: #6b6152;
  --ol-garnet: #8c2f2f;
  --ol-shadow: rgba(120, 100, 60, 0.18);

  --vd-steel-1: #cfd3d9;
  --vd-steel-1-deep: #a9aeb6;
  --vd-steel-2: #8b909a;
  --vd-steel-hi: #ffffff;
  --vd-good: #4c7a58;
  --vd-bad: #93413c;
  --vd-warn: #8a6820;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ol-bg);
  color: var(--ol-text);
  transition: background-color .35s ease, color .35s ease;
  font-family: 'Cormorant Garamond', serif;
}

body { min-height: 100vh; }

.ol-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: .5;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
:root[data-theme="light"] .ol-grain { opacity: .28; }

a { color: var(--ol-gold-2); }

::selection { background: var(--ol-gold-soft); color: var(--ol-text); }

/* --------------------------------------------------------------------
   Layout shell
   -------------------------------------------------------------------- */

.vd-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 80px;
  position: relative;
  z-index: 1;
}

.vd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--ol-border);
}

.vd-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.vd-brand-mark {
  width: 40px;
  height: 40px;
  flex: none;
}

.vd-title {
  font-family: 'Cinzel', serif;
  font-weight: 600;
  font-size: 22px;
  letter-spacing: .04em;
  margin: 0;
  color: var(--ol-text);
}

.vd-subtitle {
  font-family: 'Syne', sans-serif;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ol-text-dim);
  margin: 2px 0 0;
}

.vd-header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* --------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------- */

.vd-tabs {
  display: flex;
  gap: 4px;
  background: var(--ol-surface);
  border: 1px solid var(--ol-border);
  border-radius: 3px;
  padding: 4px;
}

.vd-tab {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  color: var(--ol-text-dim);
  padding: 9px 16px;
  border-radius: 2px;
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}

.vd-tab.is-active {
  background: var(--ol-gold-soft);
  color: var(--ol-gold-2);
}

.vd-tab:hover:not(.is-active) { color: var(--ol-text); }

.vd-tab-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  margin-left: 6px;
  opacity: .75;
}

/* --------------------------------------------------------------------
   Theme toggle
   -------------------------------------------------------------------- */

.ol-theme-toggle {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ol-gold-2);
  border: 1px solid var(--ol-border);
  padding: 9px 16px;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
  white-space: nowrap;
}
.ol-theme-toggle:hover { border-color: var(--ol-gold-2); background: var(--ol-gold-soft); }

/* --------------------------------------------------------------------
   Panels
   -------------------------------------------------------------------- */

.vd-panel { display: none; }
.vd-panel.is-active { display: block; animation: vdFadeIn .35s ease; }

@keyframes vdFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.vd-lede {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px;
  color: var(--ol-text-dim);
  max-width: 60ch;
  line-height: 1.5;
  margin: 0 0 28px;
}

/* --------------------------------------------------------------------
   Signature element: the Chassis Plate VIN entry
   -------------------------------------------------------------------- */

.vd-plate-wrap {
  background: linear-gradient(180deg, var(--vd-steel-1), var(--vd-steel-1-deep));
  border-radius: 8px;
  padding: 22px 20px 18px;
  position: relative;
  box-shadow: 0 18px 40px var(--ol-shadow), inset 0 1px 0 rgba(255,255,255,.06);
  border: 1px solid rgba(0,0,0,.4);
}

.vd-plate-rivet {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--vd-steel-hi), var(--vd-steel-2) 55%, #1a1c1f 100%);
  box-shadow: 0 1px 2px rgba(0,0,0,.6);
}
.vd-plate-rivet.tl { top: 10px; left: 10px; }
.vd-plate-rivet.tr { top: 10px; right: 10px; }
.vd-plate-rivet.bl { bottom: 10px; left: 10px; }
.vd-plate-rivet.br { bottom: 10px; right: 10px; }

.vd-plate-label {
  font-family: 'Syne', sans-serif;
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(230, 232, 236, .55);
  text-align: center;
  margin: 0 0 14px;
}

.vd-plate-grid {
  display: grid;
  grid-template-columns: repeat(17, 1fr);
  gap: 4px;
  max-width: 100%;
}

.vd-cell-wrap { display: flex; flex-direction: column; align-items: center; gap: 5px; }

.vd-cell {
  width: 100%;
  aspect-ratio: 1 / 1.15;
  min-width: 0;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: clamp(11px, 2.2vw, 17px);
  color: #f1efe8;
  background: linear-gradient(180deg, #232529, #16171a);
  border: 1px solid rgba(0,0,0,.55);
  border-radius: 3px;
  padding: 0;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.7), inset 0 -1px 0 rgba(255,255,255,.04);
  text-transform: uppercase;
  outline: none;
  transition: box-shadow .15s ease, border-color .15s ease;
}

.vd-cell:focus {
  border-color: var(--ol-gold-2);
  box-shadow: inset 0 1px 2px rgba(0,0,0,.7), 0 0 0 2px var(--ol-gold-soft);
}

.vd-cell.has-value { color: var(--ol-gold-2); }

.vd-cell.vd-flash-good { animation: vdPulseGood 1s ease 1; }
.vd-cell.vd-flash-bad  { animation: vdPulseBad 1s ease 1; }

@keyframes vdPulseGood {
  0%   { box-shadow: inset 0 1px 2px rgba(0,0,0,.7), 0 0 0 0 rgba(111,174,125,.7); }
  40%  { box-shadow: inset 0 1px 2px rgba(0,0,0,.7), 0 0 0 4px rgba(111,174,125,.45); }
  100% { box-shadow: inset 0 1px 2px rgba(0,0,0,.7), 0 0 0 0 rgba(111,174,125,0); }
}
@keyframes vdPulseBad {
  0%   { box-shadow: inset 0 1px 2px rgba(0,0,0,.7), 0 0 0 0 rgba(181,84,79,.7); }
  40%  { box-shadow: inset 0 1px 2px rgba(0,0,0,.7), 0 0 0 4px rgba(181,84,79,.45); }
  100% { box-shadow: inset 0 1px 2px rgba(0,0,0,.7), 0 0 0 0 rgba(181,84,79,0); }
}

.vd-cell-pos {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8px;
  color: rgba(230, 232, 236, .38);
}

.vd-plate-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(230, 232, 236, .18);
}

.vd-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Syne', sans-serif;
  font-size: 9.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(230, 232, 236, .6);
}

.vd-legend-swatch { width: 9px; height: 9px; border-radius: 2px; flex: none; }
.vd-legend-swatch.wmi   { background: #c9a84c; }
.vd-legend-swatch.vds   { background: #7c8189; }
.vd-legend-swatch.chk   { background: #a83e3e; }
.vd-legend-swatch.yr    { background: #6fae7d; }
.vd-legend-swatch.plant { background: #4d7ea8; }
.vd-legend-swatch.serial{ background: #9c9488; }

.vd-cell[data-seg="wmi"]   { border-top: 2px solid #c9a84c; }
.vd-cell[data-seg="vds"]   { border-top: 2px solid #7c8189; }
.vd-cell[data-seg="chk"]   { border-top: 2px solid #a83e3e; }
.vd-cell[data-seg="yr"]    { border-top: 2px solid #6fae7d; }
.vd-cell[data-seg="plant"] { border-top: 2px solid #4d7ea8; }
.vd-cell[data-seg="serial"]{ border-top: 2px solid #9c9488; }

/* --------------------------------------------------------------------
   Actions row
   -------------------------------------------------------------------- */

.vd-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.vd-btn {
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  background: var(--ol-gold-2);
  color: #14120e;
  border: none;
  padding: 13px 28px;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 700;
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  box-shadow: 0 8px 20px rgba(201,168,76,.25);
}
.vd-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(201,168,76,.32); }
.vd-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.vd-btn-ghost {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ol-text-dim);
  border: 1px solid var(--ol-border);
  padding: 12px 20px;
  border-radius: 3px;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease;
}
.vd-btn-ghost:hover { color: var(--ol-gold-2); border-color: var(--ol-gold-2); }

.vd-char-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ol-text-dim);
}

.vd-field-error {
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  color: var(--vd-bad);
  margin-top: 10px;
  min-height: 16px;
}

/* --------------------------------------------------------------------
   Results: dossier card
   -------------------------------------------------------------------- */

.vd-results { margin-top: 34px; }

.vd-dossier {
  background: var(--ol-surface);
  border: 1px solid var(--ol-border);
  border-radius: 6px;
  padding: 26px 28px;
  position: relative;
}

.vd-dossier-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.vd-dossier-eyebrow {
  font-family: 'Syne', sans-serif;
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ol-text-dim);
  margin: 0 0 6px;
}

.vd-dossier-name {
  font-family: 'Cinzel', serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--ol-gold-2);
  margin: 0;
  line-height: 1.2;
}

.vd-dossier-sub {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--ol-text-dim);
  margin: 4px 0 0;
}

.vd-bookmark-btn {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--ol-border);
  background: var(--ol-surface-raised);
  color: var(--ol-text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .15s ease, border-color .15s ease, transform .15s ease;
}
.vd-bookmark-btn:hover { transform: scale(1.06); border-color: var(--ol-gold-2); }
.vd-bookmark-btn.is-saved { color: var(--ol-gold-2); border-color: var(--ol-gold-2); background: var(--ol-gold-soft); }
.vd-bookmark-btn svg { width: 18px; height: 18px; }

.vd-status-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0 20px;
}

.vd-badge {
  font-family: 'Syne', sans-serif;
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
}
.vd-badge.good { color: var(--vd-good); background: rgba(111,174,125,.12); border-color: rgba(111,174,125,.35); }
.vd-badge.bad  { color: var(--vd-bad); background: rgba(181,84,79,.12); border-color: rgba(181,84,79,.35); }

.vd-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.vd-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 18px 24px;
  padding-top: 18px;
  border-top: 1px solid var(--ol-border);
}

.vd-spec-label {
  font-family: 'Syne', sans-serif;
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ol-text-dim);
  margin: 0 0 5px;
}

.vd-spec-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14.5px;
  color: var(--ol-text);
  margin: 0;
  word-break: break-word;
}
.vd-spec-value.is-empty { color: var(--ol-text-dim); opacity: .55; }

.vd-error-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  color: var(--ol-text-dim);
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--ol-border);
}

.vd-note {
  font-family: 'Syne', sans-serif;
  font-size: 10.5px;
  letter-spacing: .04em;
  color: var(--ol-text-dim);
  margin-top: 22px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------- */

.vd-empty {
  border: 1px dashed var(--ol-border);
  border-radius: 6px;
  padding: 40px 28px;
  text-align: center;
  color: var(--ol-text-dim);
}
.vd-empty-title {
  font-family: 'Cinzel', serif;
  font-size: 17px;
  color: var(--ol-text);
  margin: 0 0 8px;
}
.vd-empty-body {
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  margin: 0;
  max-width: 46ch;
  margin: 0 auto;
}

/* --------------------------------------------------------------------
   Bookmarks tab
   -------------------------------------------------------------------- */

.vd-bookmark-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.vd-bm-card {
  background: var(--ol-surface);
  border: 1px solid var(--ol-border);
  border-radius: 6px;
  padding: 18px 20px;
  cursor: pointer;
  transition: border-color .15s ease, transform .15s ease;
  position: relative;
}
.vd-bm-card:hover { border-color: var(--ol-gold-2); transform: translateY(-2px); }

.vd-bm-vin {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--ol-text-dim);
  letter-spacing: .04em;
  margin: 0 0 8px;
  word-break: break-all;
}

.vd-bm-name {
  font-family: 'Cinzel', serif;
  font-size: 16px;
  color: var(--ol-gold-2);
  margin: 0 0 4px;
}

.vd-bm-sub {
  font-family: 'Syne', sans-serif;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ol-text-dim);
  margin: 0;
}

.vd-bm-remove {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--ol-border);
  background: var(--ol-surface-raised);
  color: var(--ol-text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  transition: color .15s ease, border-color .15s ease;
}
.vd-bm-remove:hover { color: var(--vd-bad); border-color: var(--vd-bad); }

/* --------------------------------------------------------------------
   Toast
   -------------------------------------------------------------------- */

.vd-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ol-surface-raised);
  border: 1px solid var(--ol-border);
  color: var(--ol-text);
  padding: 14px 22px;
  border-radius: 4px;
  font-family: 'Syne', sans-serif;
  font-size: 12.5px;
  box-shadow: 0 10px 30px var(--ol-shadow);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}
.vd-toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.vd-toast.is-error { border-color: rgba(181,84,79,.5); color: var(--vd-bad); }

/* --------------------------------------------------------------------
   Loading
   -------------------------------------------------------------------- */

.vd-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(20,18,14,.35);
  border-top-color: #14120e;
  border-radius: 50%;
  animation: vdSpin .7s linear infinite;
  margin-right: 8px;
  vertical-align: -2px;
}
@keyframes vdSpin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------- */

.vd-footer {
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid var(--ol-border);
  font-family: 'Syne', sans-serif;
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ol-text-dim);
  text-align: center;
}

/* --------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------- */

@media (max-width: 720px) {
  .vd-plate-grid { grid-template-columns: repeat(9, 1fr); row-gap: 10px; }
  .vd-plate-legend { gap: 10px 14px; }
  .vd-dossier { padding: 22px 18px; }
  .vd-dossier-name { font-size: 22px; }
}

@media (max-width: 480px) {
  .vd-plate-grid { grid-template-columns: repeat(6, 1fr); }
  .vd-header { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
