:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --surface: #111722;
  --surface-2: #0f151f;
  --border: #1d2633;
  --text: #e8eef5;
  --muted: #9aa7b2;
  --accent: #58c7ff;
  --accent-2: #f6c453;
  --focus: #f6c453;
  --progress-incomplete: #f56b6b;
  --progress-complete: #5ef28a;
  --progress-track: #0f151f;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow: 0 20px 40px rgba(3, 8, 14, 0.55);
  --glow: 0 0 0 1px rgba(88, 199, 255, 0.14), 0 0 24px rgba(88, 199, 255, 0.12);
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #162030 0%, #0b0f14 55%);
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 72px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.header-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-header h1 {
  margin: 0;
  font-size: clamp(2rem, 2.8vw, 3rem);
}

.subhead {
  margin: 8px 0 0;
  color: var(--muted);
}

.base-chip {
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(140deg, rgba(88, 199, 255, 0.2), rgba(17, 23, 34, 0.8));
  border: 1px solid rgba(88, 199, 255, 0.4);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--glow);
}

.cart-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.cart-link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.cart-link:hover {
  transform: translateY(-1px);
  box-shadow: var(--glow);
}

.cart-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accent);
  color: #0b0f14;
  font-size: 0.75rem;
  font-weight: 700;
}

.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 20, 0.7);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 50;
}

.cart-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: 400px;
  max-width: 100%;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
}

.cart-drawer.open {
  transform: translateX(0);
}

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

.cart-drawer-header h2 {
  margin: 0;
  font-size: 1.4rem;
}

.cart-progress {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.cart-progress p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.cart-progress.is-complete p {
  color: var(--progress-complete);
  font-weight: 600;
}

.progress-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--progress-track);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--progress-incomplete);
  transition: width var(--transition), background var(--transition);
}

.cart-progress.is-complete .progress-bar {
  background: var(--progress-complete);
}

.cart-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: box-shadow var(--transition), border-color var(--transition), color var(--transition);
}

.cart-close:hover {
  box-shadow: var(--glow);
  border-color: var(--accent);
  color: var(--accent);
}

.cart-items {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  padding-right: 4px;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.cart-item-summary {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cart-item-summary span {
  font-size: 0.85rem;
  color: var(--muted);
}

.cart-item-summary strong {
  font-size: 0.95rem;
}

.cart-item-price {
  font-weight: 600;
}

.cart-remove {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.cart-remove:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cart-empty {
  margin: 0;
  text-align: center;
  color: var(--muted);
  padding: 24px 0;
}

.cart-footer {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

body.cart-open {
  overflow: hidden;
}

.configurator {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 28px;
  align-items: start;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(88, 199, 255, 0.04), transparent 45%);
  pointer-events: none;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-header h2 {
  margin: 0;
  font-size: 1.4rem;
}

.card-hint {
  color: var(--muted);
  font-size: 0.85rem;
}

.preview-figure {
  margin: 0;
  display: grid;
  gap: 14px;
}

.preview-image {
  height: 260px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, #1c2635, #0d131b 70%);
  position: relative;
  overflow: hidden;
}

.preview-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
      120deg,
      rgba(255, 255, 255, 0.12) 0%,
      rgba(255, 255, 255, 0) 55%
    ),
    repeating-linear-gradient(
      90deg,
      rgba(88, 199, 255, 0.08) 0,
      rgba(88, 199, 255, 0.08) 1px,
      transparent 1px,
      transparent 18px
    );
}

.preview-figure figcaption {
  color: var(--muted);
  font-size: 0.9rem;
}

.preview-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.meta-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.meta-value {
  margin: 6px 0 0;
  font-weight: 600;
}

.controls-grid {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
}

.control-group {
  display: grid;
  gap: 8px;
}

.control-label {
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.select-wrapper {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.select-wrapper select {
  width: 100%;
  padding: 14px 40px 14px 16px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--surface-2);
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  outline: none;
  color-scheme: dark;
}

.select-wrapper:hover {
  border-color: var(--accent);
}

.select-wrapper:focus-within {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 2px rgba(246, 196, 83, 0.2);
}

.select-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--accent);
  font-size: 0.8rem;
}

.select-wrapper select option {
  background: var(--surface);
  color: var(--text);
}

.summary {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: grid;
  gap: 14px;
}

.total {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.total-label {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.total-value {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 700;
}

.summary-text {
  margin: 0;
  color: var(--muted);
  min-height: 22px;
}

.cta-button {
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #0b0f14;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition),
    border-color var(--transition);
}

.cta-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--glow);
}

.cta-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.cta-button.is-confirmed {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #0b0f14;
}

@media (max-width: 960px) {
  .configurator {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page {
    padding: 32px 18px 60px;
  }

  .cart-drawer {
    width: 100%;
  }
}