:root {
  --app-background: #f4f5f8;
  --surface: #ffffff;
  --surface-alt: #fdfdfd;
  --text: #1f1f23;
  --muted: #5a5a66;
  --border: #d5d7de;
  --accent: #1d4ed8;
  --accent-dark: #1e3a8a;
  --vinyl-color: #000000;
  --grid-gap: 1rem;
  --shadow-sm: 0 6px 12px rgba(15, 23, 42, 0.08);
  font-size: 16px;
}

.hidden {
  display: none !important;
}

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

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--app-background);
  line-height: 1.5;
}

.app {
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  min-height: 100vh;
  background: var(--app-background);
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 0;
  align-self: start;
  max-height: 100vh;
  overflow-y: auto;
}

.brand h1 {
  margin: 0;
  font-size: 1.5rem;
}

.tagline {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.control-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted);
}

.control-input,
input[type="number"],
input[type="search"],
input[type="color"],
textarea,
select {
  font: inherit;
  padding: 0.5rem 0.65rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.control-input:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

.info-card {
  background: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  padding: 1rem;
}

.info-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.info-card ol {
  margin: 0 0 0 1.1rem;
  padding: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--grid-gap);
  padding: 1.75rem;
  align-items: start;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.section-header h2,
.section-header h3 {
  margin: 0;
}

.results-count {
  color: var(--muted);
  font-size: 0.9rem;
}

.catalog,
.preview-panel {
  background: var(--surface);
  border-radius: 1rem;
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.design-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.9rem;
}

.design-card {
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 0.75rem;
  background: var(--surface-alt);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.design-card:hover,
.design-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 18px rgba(29, 78, 216, 0.18);
  outline: none;
}

.design-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.2);
}

.design-card .thumb-wrapper {
  width: 100%;
  aspect-ratio: 1;
  background: #f8fafc;
  border-radius: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px dashed var(--border);
}

.design-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.design-card .label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}

.load-more-button {
  align-self: center;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--surface);
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.load-more-button:hover {
  background: var(--accent);
  color: var(--surface);
}

.preview-panel {
  position: sticky;
  top: 1.75rem;
}

.preview-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.preview-stage {
  position: relative;
  border: 1px dashed var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  background: var(--preview-car-color, #f8fafc);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.preview-stage::before,
.preview-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.preview-stage::before {
  background: var(
    --preview-vinyl-gradient,
    linear-gradient(140deg, rgba(29, 78, 216, 0.15), rgba(255, 255, 255, 0.8), rgba(29, 78, 216, 0.35))
  );
  mix-blend-mode: screen;
  opacity: 0.75;
}

.preview-stage::after {
  background: repeating-conic-gradient(#e2e8f0 0% 25%, transparent 0% 50%);
  opacity: 0.12;
  transform: scale(1.5);
}

.preview-placeholder {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
  padding: 1rem;
}

#previewCanvas {
  position: relative;
  z-index: 1;
  display: none;
  width: 240px;
  height: auto;
  user-select: none;
}

#previewCanvas.visible {
  display: block;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.background-controls {
  display: grid;
  gap: 0.5rem;
}

.background-controls .inline-info {
  justify-content: flex-start;
}

.text-overlays {
  gap: 1rem;
}

.text-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.text-header .hint {
  margin: 0.25rem 0 0;
}

.text-layer-list {
  display: grid;
  gap: 0.75rem;
}

.text-layer-list.empty {
  color: var(--muted);
  font-size: 0.9rem;
}

.text-layer-card {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem;
  display: grid;
  gap: 0.65rem;
  background: var(--surface-alt);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.text-layer-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

.text-layer-card .layer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.text-layer-card .layer-header span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.text-layer-card .layer-controls {
  display: grid;
  gap: 0.5rem;
}

.text-layer-card .layer-controls label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.layer-controls input[type="text"] {
  width: 100%;
}

.layer-controls .row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.layer-controls .row > * {
  flex: 1 1 160px;
}

.layer-controls .row .color-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.layer-controls .row .color-input input[type="color"] {
  width: 40px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--surface);
}

.layer-controls .slider-group {
  display: grid;
  gap: 0.25rem;
}

.layer-controls .slider-group input[type="range"] {
  width: 100%;
}

.small {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

.text-layer-card .layer-footer {
  display: flex;
  justify-content: flex-end;
}

.text-layer-card .layer-footer button {
  padding: 0.35rem 0.75rem;
}

.inline-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.hint {
  font-style: italic;
}

.preview-hint {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.15);
  cursor: pointer;
  position: relative;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.color-swatch.selected {
  border-color: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.2);
}

.color-swatch::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: inherit;
}

.source-links {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.4;
}

.order-form,
.order-summary {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.9rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.order-form h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--muted);
}

.order-form .form-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.price-summary {
  display: grid;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid #d9dce6;
  background: #ffffff;
  margin: 0.5rem 0 0;
}

.price-summary div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  color: var(--muted);
}

.price-summary strong {
  font-size: 1.05rem;
  color: var(--text);
}

.pricing-footnote {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.order-form textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.primary,
.secondary {
  font: inherit;
  padding: 0.65rem 1.2rem;
  border-radius: 0.65rem;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.primary {
  background: var(--accent);
  color: var(--surface);
}

.primary:hover {
  background: var(--accent-dark);
}

.secondary {
  background: #edeef3;
  color: var(--text);
}

.secondary:hover {
  background: #dfe0e7;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.order-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.order-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem;
  display: grid;
  gap: 0.35rem;
}

.order-details {
  display: grid;
  gap: 0.2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.order-details strong {
  font-weight: 600;
  color: var(--text);
}

.order-details span {
  white-space: pre-line;
}

.order-source-files {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.order-source-files a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.3rem 0.55rem;
  border-radius: 0.45rem;
  border: 1px solid var(--border);
  background: #eef2ff;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.order-source-files a:hover {
  border-color: var(--accent);
  background: #dbeafe;
}

.order-item header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.order-item footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.order-item footer button {
  min-width: 140px;
}

@media (max-width: 1200px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    position: static;
  }
}

@media (max-width: 860px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .brand {
    flex: 1 1 100%;
  }

  .workspace {
    padding: 1.25rem;
  }
}