:root {
  --bg-dark: #0a0e17;
  --card-bg: rgba(22, 27, 34, 0.85);
  --card-border: #30363d;
  --accent-yellow: #fcd535;
  --plate-yellow: #ffdf00;
  --plate-border: #111;
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --success: #3fb950;
  --danger: #f85149;
  --gauge-color: #238636;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

.background-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, rgba(252, 213, 53, 0.08) 0%, rgba(10, 14, 23, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px 40px;
  position: relative;
  z-index: 1;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(48, 54, 61, 0.5);
  position: relative;
  z-index: 1;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 14px;
}

.turbo-icon {
  font-size: 28px;
  background: rgba(252, 213, 53, 0.15);
  border: 1px solid rgba(252, 213, 53, 0.3);
  border-radius: 10px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-header h1 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
}

.app-header .accent {
  color: var(--accent-yellow);
}

.subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.header-badges {
  display: flex;
  gap: 10px;
}

.badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--card-border);
}

.dvsa-badge {
  background: rgba(63, 185, 80, 0.15);
  color: var(--success);
  border-color: rgba(63, 185, 80, 0.3);
}

.csv-badge {
  background: rgba(252, 213, 53, 0.1);
  color: var(--accent-yellow);
  border-color: rgba(252, 213, 53, 0.25);
}

/* Search Card */
.search-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 36px 30px;
  margin-top: 30px;
  text-align: center;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
}

.search-card h2 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.search-hint {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.lookup-disclosure {
  margin: 16px auto 0;
  max-width: 620px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.plate-form {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.plate-form[hidden] {
  display: none;
}

/* UK Number Plate Design */
.uk-numberplate-container {
  display: flex;
  align-items: center;
  background-color: var(--plate-yellow);
  border: 3px solid #1c1c1c;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.4), inset 0 2px 3px rgba(255,255,255,0.4);
  height: 64px;
  overflow: hidden;
}

.plate-flag {
  background-color: #003399;
  color: #fff;
  width: 38px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  border-right: 2px solid #1c1c1c;
}

.plate-input {
  background: transparent;
  border: none;
  color: #111;
  font-family: 'Chakra Petch', 'Impact', monospace;
  font-size: 32px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  padding: 0 18px;
  width: 220px;
  outline: none;
  text-align: center;
}

.plate-input::placeholder {
  color: rgba(0, 0, 0, 0.3);
}

.search-btn {
  background: var(--accent-yellow);
  color: #0a0e17;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  padding: 0 28px;
  height: 64px;
  cursor: pointer;
  transition: transform 0.15s, background-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-btn:hover {
  background: #ffe366;
  transform: translateY(-1px);
}

.search-btn:active {
  transform: translateY(1px);
}

.sample-plates {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.sample-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
}

.sample-pill:hover {
  border-color: var(--accent-yellow);
  color: var(--accent-yellow);
}

.error-message {
  margin-top: 16px;
  padding: 10px 16px;
  background: rgba(248, 81, 73, 0.15);
  border: 1px solid rgba(248, 81, 73, 0.4);
  color: var(--danger);
  border-radius: 8px;
  font-size: 14px;
}

/* Results Card */
.results-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 28px;
  margin-top: 24px;
  box-shadow: 0 16px 36px rgba(0,0,0,0.3);
}

.results-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 20px;
  flex-wrap: wrap;
  gap: 14px;
}

.plate-mini {
  background: var(--plate-yellow);
  color: #111;
  font-family: 'Chakra Petch', monospace;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 6px;
  border: 2px solid #111;
}

.car-title-group h2 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 24px;
  font-weight: 700;
}

.car-submeta {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.mot-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(63, 185, 80, 0.15);
  border: 1px solid rgba(63, 185, 80, 0.3);
  color: var(--success);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

.mot-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
}

/* Power Hero Grid */
.power-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

.spec-source-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(252, 213, 53, 0.4);
  border-radius: 8px;
  background: rgba(252, 213, 53, 0.08);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

.spec-source-note strong { color: var(--accent-yellow); }
.spec-source-note a { color: var(--accent-yellow); }

@media (max-width: 720px) {
  .power-grid {
    grid-template-columns: 1fr;
  }
}

.power-hero-card {
  background: linear-gradient(145deg, rgba(30, 36, 48, 0.7), rgba(18, 22, 30, 0.9));
  border: 1px solid rgba(252, 213, 53, 0.2);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.power-hero-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-yellow), transparent);
}

.power-label {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-yellow);
  letter-spacing: 1px;
}

.power-value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 10px 0;
}

.power-number {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 64px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.power-unit {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-yellow);
}

.power-conversions {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.conv-item strong {
  color: var(--text-main);
}

.gauge-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  margin-top: 20px;
  overflow: hidden;
}

.gauge-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3fb950, #fcd535, #f85149);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.spec-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}

.metric-icon {
  font-size: 16px;
  margin-bottom: 4px;
}

.metric-label {
  font-size: 12px;
  color: var(--text-muted);
}

.metric-val {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-top: 4px;
}

/* Variant Selector */
.variants-box {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--card-border);
}

.variants-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 12px;
}

.variants-header small {
  color: var(--text-muted);
}

.variants-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.variant-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.variant-pill:hover {
  border-color: var(--accent-yellow);
}

.variant-pill.active {
  background: rgba(252, 213, 53, 0.15);
  border-color: var(--accent-yellow);
  color: var(--accent-yellow);
  font-weight: 600;
}

/* CSV Table Section */
.csv-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 24px;
  margin-top: 24px;
}

.csv-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.csv-header-bar h3 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 18px;
}

.csv-actions {
  display: flex;
  gap: 10px;
}

.csv-filter-input {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}

.csv-filter-input:focus {
  border-color: var(--accent-yellow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.table-wrapper {
  max-height: 280px;
  overflow: auto;
  border: 1px solid var(--card-border);
  border-radius: 8px;
}

.specs-table {
  min-width: 980px;
  width: max-content;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.table-note,
.table-scroll-hint {
  color: var(--text-muted);
  font-size: 12px;
  margin: -6px 0 12px;
}

.table-scroll-hint {
  display: none;
  margin: 8px 0 0;
}

@media (max-width: 720px) {
  .table-scroll-hint { display: block; }
}

.specs-table th {
  background: #181d26;
  padding: 10px 12px;
  color: var(--text-muted);
  font-weight: 600;
  position: sticky;
  top: 0;
}

.specs-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(48, 54, 61, 0.4);
}

.specs-table .empty-state {
  padding: 24px;
  color: var(--text-muted);
  text-align: center;
}

.specs-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.app-footer {
  text-align: center;
  padding: 24px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid rgba(48, 54, 61, 0.3);
  margin-top: auto;
}

/* Loader */
.btn-loader {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 0, 0, 0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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