:root {
  --color-bg: #05070b;
  --color-bg-elevated: #10131a;
  --color-card: #151822;
  --color-card-soft: #1b1f2b;
  --color-accent: #2f89ff;
  --color-accent-soft: rgba(47, 137, 255, 0.16);
  --color-border-subtle: #262b3a;
  --color-text: #f5f7fb;
  --color-text-soft: #a8b0c4;
  --color-danger: #ff4b6b;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
  --radius-card: 18px;
  --radius-pill: 999px;
  --transition-fast: 150ms ease-out;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #1d2839 0%, #05070b 52%, #010208 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(5, 7, 11, 0.9),
    rgba(5, 7, 11, 0.85),
    transparent
  );
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.brand {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 20px 10px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 30%, #d5e3ff 0%, #677595 40%, #03040a 100%);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.brand-mark::before {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(10, 16, 32, 0.8);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-size: 17px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--color-text-soft);
}

.app-main {
  max-width: 1120px;
  margin: 12px auto 32px;
  padding: 0 20px 20px;
  display: grid;
  grid-template-columns: 2.2fr 2.1fr;
  grid-template-rows: auto auto;
  gap: 18px;
}

.card {
  background: linear-gradient(
    145deg,
    rgba(15, 19, 33, 0.98),
    rgba(10, 13, 24, 0.98)
  );
  border-radius: var(--radius-card);
  border: 1px solid rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow-soft);
  padding: 18px 20px 18px;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -120px;
  background: radial-gradient(
    circle at top right,
    rgba(47, 137, 255, 0.08),
    transparent 60%
  );
  opacity: 0.9;
  pointer-events: none;
}

.card-input,
.card-results {
  min-height: 0;
}

.card-input {
  grid-column: 1;
  grid-row: 1;
}

.card-results {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.card-history {
  grid-column: 1;
  grid-row: 2;
}

.card-title {
  margin: 0 0 6px;
  font-size: 20px;
}

.card-subtitle {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--color-text-soft);
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.vin-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-label {
  font-size: 13px;
  color: var(--color-text-soft);
}

.vin-input-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.vin-input {
  flex: 1;
  padding: 11px 12px;
  border-radius: 11px;
  border: 1px solid var(--color-border-subtle);
  background: rgba(2, 4, 10, 0.8);
  color: var(--color-text);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.vin-input::placeholder {
  color: rgba(168, 176, 196, 0.6);
}

.vin-input:focus {
  border-color: rgba(47, 137, 255, 0.9);
  box-shadow: 0 0 0 1px rgba(47, 137, 255, 0.9);
  background: rgba(2, 5, 14, 0.95);
}

.field-hint {
  margin: 0;
  font-size: 12px;
  color: var(--color-text-soft);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.btn {
  position: relative;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 13px;
  padding: 9px 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  transition: background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    color var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, #2f89ff, #1a5fd0);
  border-color: rgba(255, 255, 255, 0.08);
  color: #f9fbff;
  box-shadow: 0 12px 28px rgba(13, 92, 225, 0.55);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(13, 92, 225, 0.75);
}

.btn-secondary {
  background: var(--color-accent-soft);
  border-color: rgba(47, 137, 255, 0.4);
  color: #d6e1ff;
}

.btn-secondary:hover {
  background: rgba(47, 137, 255, 0.24);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-soft);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
}

.btn-small {
  padding-inline: 10px;
  padding-block: 6px;
  font-size: 12px;
}

.error-text {
  min-height: 18px;
  font-size: 12px;
  color: var(--color-danger);
  margin: 2px 0 0;
}

.results-placeholder {
  margin-top: 4px;
  font-size: 13px;
  color: var(--color-text-soft);
}

.results-content {
  margin-top: 4px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
  font-size: 13px;
}

.results-content--hidden {
  display: none;
}

.result-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.result-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-soft);
}

.result-value {
  font-size: 13px;
  color: var(--color-text);
}

.result-pill-row {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.pill {
  padding: 5px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(6, 9, 18, 0.9);
  font-size: 11px;
  color: var(--color-text-soft);
}

.pill-pill-accent {
  border-color: rgba(47, 137, 255, 0.65);
  background: rgba(15, 36, 70, 0.9);
  color: #e0ebff;
}

.pill-brand {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.pill-brand-amg {
  border-color: rgba(180, 40, 40, 0.5);
  background: rgba(80, 20, 20, 0.85);
  color: #f0b0b0;
}

.pill-brand-maybach {
  border-color: rgba(180, 160, 100, 0.45);
  background: rgba(50, 45, 30, 0.9);
  color: #e8dcc8;
}

.result-field[data-brand="AMG"] .result-value {
  color: #f0b0b0;
}

.result-field[data-brand="Maybach"] .result-value {
  color: #e8dcc8;
}

.vin-qr-block {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border-subtle);
}

.vin-qr-block--hidden {
  display: none;
}

.vin-qr-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-soft);
}

.vin-qr-container {
  display: inline-block;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
}

.vin-qr-container canvas,
.vin-qr-container img {
  display: block;
  vertical-align: top;
}

.history-list {
  border-radius: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.08);
  padding: 8px 10px;
  max-height: 200px;
  overflow-y: auto;
  background: rgba(4, 7, 14, 0.6);
  font-size: 13px;
}

.history-list--empty {
  color: var(--color-text-soft);
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 6px;
  border-radius: 9px;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.history-item:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

.history-main {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.history-vin {
  font-family: ui-monospace, Menlo, Monaco, Consolas, "SF Mono", monospace;
  font-size: 12px;
}

.history-summary {
  font-size: 11px;
  color: var(--color-text-soft);
}

.history-meta {
  font-size: 11px;
  color: rgba(168, 176, 196, 0.7);
  text-align: right;
}

.app-footer {
  max-width: 1120px;
  margin: 0 auto 22px;
  padding: 0 20px;
}

.footer-text {
  margin: 6px 0 0;
  font-size: 11px;
  color: rgba(168, 176, 196, 0.7);
}

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
}

.overlay--hidden {
  display: none;
}

.overlay-backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(25, 31, 45, 0.92), #020308 80%);
  backdrop-filter: blur(16px);
}

.overlay-panel {
  position: relative;
  z-index: 1;
  width: min(520px, 96vw);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: radial-gradient(
      circle at top center,
      rgba(65, 121, 255, 0.22),
      transparent 52%
    ),
    rgba(6, 9, 18, 0.98);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.85);
  padding: 16px 16px 18px;
}

.overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.overlay-title {
  margin: 0;
  font-size: 18px;
}

.overlay-instructions {
  margin: 6px 0 10px;
  font-size: 13px;
  color: var(--color-text-soft);
}

.scan-rejection-message {
  margin: 0 0 10px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--color-danger);
  background: rgba(255, 75, 107, 0.12);
  border: 1px solid rgba(255, 75, 107, 0.3);
  border-radius: 10px;
  transition: opacity var(--transition-fast);
}

.scan-rejection-message[hidden] {
  display: none;
}

.camera-container {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  overflow: hidden;
  background: radial-gradient(circle at center, #151b26, #05070b);
}

.camera-reader {
  width: 100%;
  min-height: 260px;
}

.icon-button {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  background: rgba(8, 11, 22, 0.9);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.icon-button:hover {
  background: rgba(20, 26, 42, 0.95);
  transform: translateY(-1px);
}

@media (max-width: 880px) {
  .app-main {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
  }

  .card-input,
  .card-results,
  .card-history {
    grid-column: 1;
  }

  .card-results {
    grid-row: auto;
  }
}

@media (max-width: 560px) {
  .brand {
    padding-inline: 16px;
  }

  .app-main {
    padding-inline: 16px;
  }

  .card {
    padding-inline: 16px;
  }

  .vin-input-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .form-actions {
    justify-content: stretch;
  }

  .results-content {
    grid-template-columns: minmax(0, 1fr);
  }
}