:root {
  --brand: #27235d;
  --brand-deep: #16133a;
  --brand-mid: #3b3680;
  --brand-soft: #4e49a0;
  --bg: #12102d;
  --panel: rgba(39, 35, 93, 0.78);
  --line: rgba(201, 179, 122, 0.28);
  --line-strong: rgba(201, 179, 122, 0.55);
  --gold: #c9b37a;
  --gold-2: #efe2bf;
  --ink: #f6f4fb;
  --muted: #c8c3dc;
  --dim: #8e89b0;
  --danger: #f0b4c0;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
}

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

html,
body {
  min-height: 100%;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

[hidden] {
  display: none !important;
}

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 480px at 50% -12%, rgba(78, 73, 160, 0.55), transparent 58%),
    radial-gradient(520px 360px at 100% 100%, rgba(39, 35, 93, 0.9), transparent 55%),
    linear-gradient(180deg, #1a1744 0%, #12102d 42%, #0e0c24 100%);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.app {
  position: relative;
  width: min(1280px, 100%);
  margin: 0 auto;
  min-height: 100dvh;
  padding: 18px 16px 40px;
}

.brand {
  text-align: center;
  margin-bottom: 16px;
}

.brand-logo {
  height: 52px;
  width: auto;
  max-width: min(280px, 86vw);
  object-fit: contain;
  margin-bottom: 10px;
}

.brand-kicker {
  color: var(--gold);
  letter-spacing: 0.04em;
  font-size: 0.86rem;
  font-weight: 500;
}

.stage {
  display: grid;
  gap: 16px;
}

.atelier-card {
  background:
    linear-gradient(180deg, rgba(59, 54, 128, 0.55), rgba(22, 19, 58, 0.92));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 16px;
  box-shadow:
    0 24px 64px rgba(10, 8, 32, 0.45),
    inset 0 1px 0 rgba(239, 226, 191, 0.08);
  backdrop-filter: blur(18px);
}

.atelier-head {
  margin-bottom: 14px;
}

.mode-kicker {
  color: var(--gold);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.mode-title {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.pill-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 14px;
  font: 500 0.8rem/1 var(--sans);
  cursor: pointer;
}

.pill-btn:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

.new-lookup {
  display: none;
}

.view-result .new-lookup {
  display: inline-flex;
}

.atelier-body {
  display: grid;
  gap: 14px;
}

.lookup-controls {
  min-width: 0;
}

.lookup-row {
  display: grid;
  gap: 10px;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 5px;
  border-radius: 14px;
  background: rgba(16, 14, 46, 0.55);
  border: 1px solid rgba(201, 179, 122, 0.16);
}

.mode-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  min-height: 40px;
  border-radius: 10px;
  font: 600 0.82rem/1 var(--sans);
  cursor: pointer;
}

.mode-tab.is-active {
  color: #16133a;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  box-shadow: 0 8px 18px rgba(201, 179, 122, 0.22);
}

.search-form {
  margin: 0;
}

.search-shell {
  display: flex;
  gap: 8px;
  padding: 6px;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: rgba(16, 14, 46, 0.62);
}

#codeInput {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 500 0.98rem/1.2 var(--sans);
  padding: 11px 12px;
  outline: none;
  text-transform: uppercase;
}

#codeInput::placeholder {
  color: var(--dim);
}

.gold-btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 12px;
  font: 600 0.88rem/1 var(--sans);
  color: #16133a;
  background: linear-gradient(180deg, #efe2bf, #c9b37a);
  white-space: nowrap;
}

.help-copy {
  color: var(--dim);
  font-size: 0.82rem;
  line-height: 1.45;
  margin-top: 10px;
}

body.mode-scan .search-form,
body.mode-scan .help-copy {
  display: none;
}

.scan-steps {
  display: none;
}

body.mode-scan .scan-steps {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.scan-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.35;
}

.scan-steps li::before {
  counter-increment: step;
  content: counter(step);
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(201, 179, 122, 0.18);
  border: 1px solid var(--line);
  color: var(--gold-2);
  font-size: 0.75rem;
  font-weight: 700;
}

.scanner-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  max-height: min(58dvh, 560px);
  overflow: hidden;
  isolation: isolate;
  border-radius: 22px;
  border: 1px solid var(--line-strong);
  background: #12102d;
  box-shadow:
    0 0 0 1px rgba(239, 226, 191, 0.08),
    0 18px 40px rgba(10, 8, 32, 0.35);
}

.scan-plate {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 58% at 50% 38%, #4a458c 0%, #27235d 38%, #16133a 68%, #0c0a1c 100%);
}

.scan-plate::before {
  content: "";
  position: absolute;
  inset: 18% 22%;
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 42%, rgba(239, 226, 191, 0.16), transparent 62%);
  box-shadow: inset 0 0 48px rgba(201, 179, 122, 0.12);
}

#video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  mix-blend-mode: luminosity;
  filter: contrast(1.12) brightness(0.9);
}

.scanner-frame.is-live #video {
  opacity: 1;
}

.scan-colorwash,
.scan-goldwash {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
}

.scanner-frame.is-live .scan-goldwash {
  opacity: 0.7;
  mix-blend-mode: soft-light;
  background:
    radial-gradient(circle at 50% 36%, rgba(239, 226, 191, 0.7), transparent 55%),
    linear-gradient(180deg, rgba(78, 73, 160, 0.25), rgba(18, 16, 45, 0.4));
}

.scan-glow {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, transparent 38%, rgba(12, 10, 32, 0.42) 100%);
}

.scan-mask {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.scan-window {
  position: absolute;
  inset: 18% 22%;
  border-radius: 18px;
  box-shadow: 0 0 0 999px rgba(12, 10, 28, 0.62);
}

.corner {
  position: absolute;
  width: 28px;
  height: 28px;
  border: 3px solid var(--gold-2);
  filter: drop-shadow(0 0 8px rgba(239, 226, 191, 0.75));
  animation: cornerPulse 1.8s ease-in-out infinite;
}

.corner.tl { top: -2px; left: -2px; border-right: 0; border-bottom: 0; border-radius: 8px 0 0 0; }
.corner.tr { top: -2px; right: -2px; border-left: 0; border-bottom: 0; border-radius: 0 8px 0 0; }
.corner.bl { bottom: -2px; left: -2px; border-right: 0; border-top: 0; border-radius: 0 0 0 8px; }
.corner.br { bottom: -2px; right: -2px; border-left: 0; border-top: 0; border-radius: 0 0 8px 0; }

.scan-line {
  position: absolute;
  left: 22%;
  right: 22%;
  z-index: 5;
  height: 2px;
  background: linear-gradient(90deg, transparent, #fff6d4, var(--gold-2), transparent);
  box-shadow: 0 0 22px rgba(239, 226, 191, 0.95);
  animation: scanMove 1.8s ease-in-out infinite;
  pointer-events: none;
}

.scan-aim {
  position: absolute;
  left: 50%;
  bottom: 14px;
  z-index: 6;
  transform: translateX(-50%);
  margin: 0;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(16, 14, 46, 0.78);
  color: var(--gold-2);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  pointer-events: none;
}

.scanner-bar {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.scan-status {
  margin: 0;
  text-align: center;
  color: var(--gold-2);
  font-size: 1rem;
  line-height: 1.45;
  font-weight: 500;
}

.camera-tools {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.camera-select-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.camera-select-wrap[hidden],
#cameraSelect[hidden] {
  display: none !important;
}

#cameraSelect {
  flex: 1;
  min-width: 0;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(16, 14, 46, 0.7);
  color: var(--ink);
  padding: 0 12px;
}

.scanner-close {
  flex: 0 0 auto;
  width: auto;
  min-height: 44px;
  padding: 0 18px;
  font-size: 0.9rem;
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 12px;
  color: var(--muted);
}

.spinner {
  width: 34px;
  height: 34px;
  border: 2px solid var(--line);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.empty-state {
  text-align: center;
  padding: 36px 22px 28px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 0%, rgba(201, 179, 122, 0.16), transparent 46%),
    linear-gradient(180deg, #2f2b6e, #1a1744);
  box-shadow: 0 24px 64px rgba(10, 8, 32, 0.35);
}

.empty-state.is-animating {
  animation: emptyIn 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.empty-gem {
  position: relative;
  width: 88px;
  height: 96px;
  margin: 0 auto 18px;
}

.gem-svg {
  width: 80px;
  height: 88px;
  filter: drop-shadow(0 10px 18px rgba(201, 179, 122, 0.25));
  animation: gemFloat 2.8s ease-in-out infinite;
}

.gem-facet {
  stroke: rgba(239, 226, 191, 0.35);
  stroke-width: 0.6;
}

.gem-facet.f1 { fill: #efe2bf; }
.gem-facet.f2 { fill: #c9b37a; }
.gem-facet.f3 { fill: #8f7a45; }

.gem-edge {
  stroke: #efe2bf;
  stroke-width: 1.4;
  stroke-linejoin: round;
}

.empty-state.is-animating .gem-facet.f1 {
  animation: gemShine 2.4s ease-in-out infinite;
}

.spark {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #efe2bf;
  box-shadow: 0 0 10px #efe2bf;
  opacity: 0;
}

.empty-state.is-animating .spark {
  animation: sparkle 1.8s ease-in-out infinite;
}

.spark.s1 { top: 8px; left: 6px; animation-delay: 0.1s; }
.spark.s2 { top: 0; right: 10px; animation-delay: 0.6s; }
.spark.s3 { bottom: 16px; right: 4px; animation-delay: 1.1s; }

.empty-kicker {
  color: var(--gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.empty-state h2 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state #errorMessage {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 36ch;
  margin: 0 auto 14px;
  line-height: 1.5;
}

.empty-query {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(16, 14, 46, 0.45);
  color: var(--muted);
  font-size: 0.82rem;
}

.empty-query b {
  color: var(--gold-2);
  font-weight: 600;
}

.empty-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

@keyframes emptyIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes gemFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@keyframes gemShine {
  0%, 100% { fill: #efe2bf; }
  50% { fill: #ffffff; }
}

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0.4); }
  40% { opacity: 1; transform: scale(1); }
  70% { opacity: 0.2; }
}

.product-result {
  animation: rise 0.35s ease;
}

.piece-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, #2f2b6e, #1a1744);
}

.piece-col {
  display: grid;
  gap: 4px;
}

.piece-visual {
  position: relative;
  padding: 16px 16px 8px;
  text-align: center;
}

.piece-visual img {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
}

.image-open {
  display: block;
  width: 100%;
  padding: 22px 18px;
  border: 0;
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 28%, #ffffff 0%, #e7eef8 58%, #d4def0 100%);
  box-shadow: inset 0 0 0 1px rgba(39, 35, 93, 0.08);
  cursor: zoom-in;
}

.image-open:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: 12px;
}

.zoom-hint {
  display: inline-flex;
  margin: 8px auto 0;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(16, 14, 46, 0.55);
  color: var(--gold-2);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.piece-intro {
  padding: 4px 16px 12px;
}

.piece-head {
  padding: 0;
}

.piece-kicker {
  color: var(--gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: 600;
}

.piece-title {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 600;
  margin: 4px 0 10px;
}

.piece-code {
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 0;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(16, 14, 46, 0.5);
}

.piece-code-label {
  color: var(--dim);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.piece-code-value {
  color: var(--gold-2);
  font-family: var(--sans);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums lining-nums;
}

.price-strip {
  margin-top: 14px;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(201, 179, 122, 0.1);
}

.price-block {
  margin-top: 10px;
}

.price-block h3 {
  margin-top: 0;
}

.price-label {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.price-amount {
  font-family: var(--sans);
  font-size: clamp(1.55rem, 2.6vw, 2rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums lining-nums;
  letter-spacing: 0.01em;
  color: var(--gold-2);
  line-height: 1;
}

.price-amount .rupee {
  display: inline-block;
  margin-right: 4px;
  font-weight: 600;
  font-size: 0.78em;
  opacity: 0.92;
}

.list-block {
  padding: 4px 8px 12px;
}

.list-block h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 4px 8px;
  padding: 10px 14px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(201, 179, 122, 0.18), rgba(201, 179, 122, 0.04));
  border: 1px solid var(--line-strong);
  color: var(--gold-2);
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.list-block h3::before {
  content: "";
  flex: 0 0 4px;
  width: 4px;
  height: 1.15em;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  box-shadow: 0 0 10px rgba(239, 226, 191, 0.45);
}

.detail-list {
  list-style: none;
}

.detail-list li,
.diamond-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.92rem;
}

.detail-list li span,
.diamond-item .meta {
  color: var(--muted);
}

.diamond-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
}

.diamond-item .meta {
  font-size: 0.8rem;
}

.detail-list li.total span,
.detail-list li.total strong,
.diamond-item .amt {
  color: var(--gold-2);
  font-weight: 600;
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@keyframes scanMove {
  0%, 100% { top: 18%; }
  50% { top: 80%; }
}

@keyframes cornerPulse {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

body.mode-scan .product-result,
body.mode-scan .empty-state,
body.mode-scan .pwa-banner {
  display: none !important;
}

body.mode-scan .atelier-card {
  position: static;
}

body.mode-scan .scanner-stage {
  min-width: 0;
}

body.mode-scan .scanner-frame {
  width: 100%;
  min-height: 280px;
}

/* Laptop */
@media (min-width: 768px) {
  .app {
    padding: 28px 28px 48px;
  }

  .brand-logo {
    height: 62px;
  }

  .atelier-card {
    padding: 22px 22px 20px;
  }

  .help-copy {
    display: block;
  }

  .view-result .atelier-card {
    position: sticky;
    top: 12px;
    z-index: 20;
    max-width: 820px;
    width: 100%;
    margin-inline: auto;
    background:
      linear-gradient(180deg, rgba(49, 45, 110, 0.96), rgba(22, 19, 58, 0.98));
    box-shadow:
      0 18px 40px rgba(10, 8, 32, 0.5),
      0 0 0 1px rgba(201, 179, 122, 0.12);
  }

  .view-result .atelier-head {
    display: none;
  }

  .view-result .help-copy {
    display: none;
  }

  .view-result .lookup-row {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .view-result .mode-switch {
    flex: 0 0 200px;
    margin: 0;
  }

  .view-result .search-form {
    flex: 1 1 auto;
    min-width: 0;
  }

  .view-result .new-lookup {
    margin-left: 0;
  }

  .view-result .new-lookup {
    white-space: nowrap;
  }

  body.mode-scan.view-result .atelier-card,
  body.mode-scan .atelier-card {
    position: static;
  }

  body.mode-scan.view-result .atelier-head,
  body.mode-scan .atelier-head {
    display: block;
    margin-bottom: 14px;
  }

  body.mode-scan .lookup-row {
    display: flex;
    justify-content: flex-start;
    align-items: center;
  }

  body.mode-scan .mode-switch {
    flex: 0 0 240px;
  }

  body.mode-scan .atelier-body {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  body.mode-scan .mode-title {
    font-size: 2.05rem;
  }

  body.mode-scan .mode-kicker {
    font-size: 0.76rem;
  }

  body.mode-scan .scan-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  body.mode-scan .scan-steps li {
    font-size: 1rem;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(16, 14, 46, 0.42);
    align-items: flex-start;
  }

  .scanner-bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .scan-status {
    text-align: left;
    font-size: 1.08rem;
  }

  .scan-aim {
    font-size: 0.95rem;
    padding: 8px 16px;
    bottom: 18px;
  }

  .piece-card {
    display: grid;
    grid-template-columns: minmax(260px, 380px) minmax(0, 1fr);
    align-items: start;
    gap: 8px 20px;
    padding: 8px 8px 12px;
  }

  .piece-visual {
    padding: 16px 12px 4px;
  }

  .piece-intro {
    padding: 16px 16px 4px 4px;
  }

  .details-block,
  .diamonds-block,
  .price-block {
    padding-left: 8px;
    padding-right: 8px;
  }

  .list-block h3 {
    font-size: 1.42rem;
    padding: 12px 16px;
    margin: 12px 0 6px;
  }

  .detail-list li,
  .diamond-item {
    font-size: 1.06rem;
    padding: 13px 10px;
    align-items: baseline;
  }

  .detail-list li span {
    font-size: 1rem;
    color: #d0cbe3;
    font-weight: 500;
  }

  .detail-list li strong {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.01em;
    font-variant-numeric: tabular-nums;
  }

  .diamond-item strong {
    font-size: 1.1rem;
    font-weight: 600;
  }

  .diamond-item .meta {
    font-size: 0.95rem;
    line-height: 1.45;
    color: #c8c3dc;
  }

  .diamond-item .amt,
  .detail-list li.total strong {
    font-size: 1.14rem;
  }

  .piece-kicker {
    font-size: 0.78rem;
  }

  .piece-code {
    padding: 10px 14px;
  }

  .piece-code-label {
    font-size: 0.78rem;
  }

  .piece-code-value {
    font-size: 1.22rem;
  }

  .price-label {
    font-size: 0.82rem;
  }

  .price-amount {
    font-size: 2.05rem;
  }

  .price-strip {
    padding: 16px 18px;
  }

  .scanner-frame {
    aspect-ratio: 4 / 3;
    max-height: 460px;
  }
}

/* Desktop */
@media (min-width: 1100px) {
  .app {
    padding: 36px 40px 64px;
  }

  .view-home .atelier-card {
    max-width: 720px;
    margin-inline: auto;
  }

  .view-result .atelier-card {
    top: 16px;
    max-width: 860px;
    padding: 16px 18px;
  }

  .view-result .lookup-row {
    gap: 12px;
  }

  .view-result .empty-state {
    max-width: 680px;
    width: 100%;
    margin-inline: auto;
    padding: 48px 32px 36px;
  }

  body.mode-scan.view-result .atelier-card,
  body.mode-scan .atelier-card {
    display: block;
    max-width: 920px;
    width: 100%;
    margin-inline: auto;
    padding: 24px 26px 22px;
  }

  body.mode-scan .mode-title {
    font-size: 2.25rem;
  }

  body.mode-scan .scan-steps li {
    font-size: 1.05rem;
  }

  .piece-visual img {
    max-height: 380px;
  }

  .piece-title {
    font-size: 2.35rem;
    line-height: 1.15;
  }

  .piece-card {
    grid-template-columns: minmax(300px, 440px) minmax(0, 1fr);
    gap: 10px 32px;
    padding: 12px 16px 20px;
  }

  .list-block h3 {
    font-size: 1.55rem;
  }

  .detail-list li,
  .diamond-item {
    font-size: 1.12rem;
    padding: 14px 12px;
  }

  .detail-list li span {
    font-size: 1.05rem;
  }

  .detail-list li strong {
    font-size: 1.18rem;
  }

  .diamond-item .meta {
    font-size: 1rem;
  }

  .diamond-item .amt,
  .detail-list li.total strong {
    font-size: 1.2rem;
  }

  .price-amount {
    font-size: 2.35rem;
  }

  .piece-code-value {
    font-size: 1.28rem;
  }

  #codeInput {
    font-size: 1.05rem;
  }

  .gold-btn,
  .mode-tab {
    font-size: 0.92rem;
  }

  .scanner-frame {
    max-height: 560px;
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 420px) {
  .search-shell {
    flex-direction: column;
  }

  .gold-btn {
    width: 100%;
  }

  .camera-tools {
    flex-direction: column;
    align-items: stretch;
  }

  .scanner-close {
    width: 100%;
  }
}

.image-preview {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 24px 32px;
  background: rgba(10, 8, 32, 0.88);
  backdrop-filter: blur(18px);
}

.preview-stage {
  width: min(920px, 92vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.preview-stage img {
  width: 100%;
  max-height: min(74dvh, 720px);
  object-fit: contain;
  padding: 28px 32px;
  border-radius: 20px;
  background:
    radial-gradient(circle at 50% 28%, #ffffff 0%, #e7eef8 58%, #d4def0 100%);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.preview-stage figcaption {
  color: var(--gold-2);
  font-family: var(--serif);
  font-size: 1.15rem;
}

.preview-close {
  position: absolute;
  top: 16px;
  right: 16px;
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(22, 19, 58, 0.9);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font: 500 0.82rem/1 var(--sans);
  cursor: pointer;
  z-index: 2;
}

.preview-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  appearance: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(22, 19, 58, 0.88);
  color: var(--gold-2);
  font-size: 1.6rem;
  cursor: pointer;
}

.preview-prev { left: 16px; }
.preview-next { right: 16px; }

.preview-nav[hidden],
.image-preview[hidden] {
  display: none !important;
}

@media (max-width: 700px) {
  .image-preview {
    padding: 56px 12px 16px;
  }

  .preview-stage img {
    padding: 16px;
    max-height: min(68dvh, 560px);
  }

  .preview-nav {
    top: auto;
    bottom: 18px;
    transform: none;
  }
}

.pwa-banner {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 50;
  width: min(520px, calc(100% - 24px));
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(59, 54, 128, 0.96), rgba(22, 19, 58, 0.98));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
}

.pwa-banner p {
  color: var(--ink);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.pwa-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}