/* ============================================
   CAR DESIGNER STYLES - Photo-based workflow
   ============================================ */

.cardesign-hero {
  padding: 10rem 0 3rem;
  background: var(--dark);
  text-align: center;
  position: relative;
}
.cardesign-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
}
.cardesign-hero h1 {
  font-family: 'Cardo', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--white);
  margin-bottom: 0.5rem;
}
.cardesign-hero p {
  color: var(--gray-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.cardesign-app {
  background: var(--dark);
  padding: 2rem 0 5rem;
  min-height: 60vh;
}

/* ---- Steps ---- */
.cd-step { max-width: 900px; margin: 0 auto; }
.step-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}
.step-number {
  width: 40px; height: 40px;
  background: var(--orange);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.step-header h2 {
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 0.25rem;
}
.step-header p {
  color: var(--gray-light);
  font-size: 0.9rem;
}

/* ---- Upload Grid ---- */
.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.photo-upload-card input[type="file"] { display: none; }
.photo-preview {
  aspect-ratio: 16/10;
  border: 2px dashed rgba(255,255,255,0.1);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: border-color 0.2s;
  background: rgba(255,255,255,0.02);
}
.photo-preview:hover { border-color: var(--orange); }
.photo-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #1a1a1e;
}
.photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: rgba(255,255,255,0.2);
  gap: 0.5rem;
}
.photo-placeholder span {
  font-size: 0.85rem;
  font-weight: 500;
}
.photo-processing-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--orange);
  font-size: 0.85rem;
  font-weight: 500;
}
.photo-done-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 28px; height: 28px;
  background: #22c55e;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}
.photo-status {
  text-align: center;
  padding: 0.4rem 0;
  font-size: 0.78rem;
  min-height: 1.5rem;
}
.status-loading { color: var(--orange); }
.status-done { color: #4ade80; }

.spinner {
  width: 28px; height: 28px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.step-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.upload-hint-text {
  color: var(--gray-light);
  font-size: 0.85rem;
}

/* ---- Designer Layout ---- */
.designer-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  align-items: start;
  max-width: none;
}
#step-editor { max-width: none; }

/* ---- Toolbar ---- */
.designer-toolbar {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 0.5rem;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  position: sticky;
  top: 90px;
}
.tool-section {
  padding: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.tool-section:last-child { border-bottom: none; }
.tool-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--orange);
  margin-bottom: 0.6rem;
}
.tool-label {
  display: block;
  font-size: 0.7rem;
  color: var(--gray-light);
  margin-bottom: 0.3rem;
}

/* View Thumbs */
.view-thumbs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}
.view-thumb-btn {
  background: rgba(255,255,255,0.03);
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 0.35rem;
  cursor: pointer;
  text-align: center;
  color: var(--gray-light);
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  transition: all 0.2s;
  overflow: hidden;
}
.view-thumb-btn:hover { border-color: rgba(255,255,255,0.2); }
.view-thumb-btn.active {
  border-color: var(--orange);
  background: rgba(239,124,0,0.08);
  color: var(--orange);
}
.view-thumb-btn img {
  width: 100%;
  height: 50px;
  object-fit: contain;
  border-radius: 4px;
  margin-bottom: 0.2rem;
  background: #1a1a1e;
}

/* Upload Area */
.upload-area {
  border: 2px dashed rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  color: rgba(255,255,255,0.35);
}
.upload-area:hover {
  border-color: var(--orange);
  background: rgba(239,124,0,0.04);
}
.upload-area span { display: block; font-size: 0.78rem; margin-top: 0.3rem; }
.upload-area .upload-hint { font-size: 0.65rem; color: rgba(255,255,255,0.2); }
.upload-area.has-file { border-color: var(--orange); border-style: solid; color: var(--orange); }

/* Tool Inputs */
.tool-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  padding: 0.45rem 0.6rem;
  outline: none;
  transition: border-color 0.15s;
}
.tool-input:focus { border-color: var(--orange); }
.tool-input::placeholder { color: rgba(255,255,255,0.2); }
select.tool-input {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 2rem;
}
select.tool-input option {
  background: #1a1d27;
  color: #fff;
}

.tool-range {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.1);
  outline: none;
}
.tool-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--orange);
  cursor: pointer;
}
.custom-color-input {
  width: 30px; height: 30px;
  border: none; background: none;
  cursor: pointer; padding: 0;
  vertical-align: middle;
}

/* Tool Buttons */
.tool-btn {
  padding: 0.4rem 0.65rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--gray-light);
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.tool-btn:hover { border-color: rgba(255,255,255,0.3); color: var(--white); }
.tool-btn-primary { background: var(--orange); border-color: var(--orange); color: #fff; font-weight: 600; }
.tool-btn-primary:hover { opacity: 0.9; color: #fff; }

/* Elements List */
.element-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  margin-bottom: 0.3rem;
  font-size: 0.75rem;
  color: var(--gray-light);
}
.element-item button {
  background: none; border: none;
  color: #f87171; cursor: pointer;
  font-size: 1rem; padding: 0 0.2rem; line-height: 1;
}

/* ---- Canvas ---- */
.designer-canvas-wrap { position: sticky; top: 90px; }
.canvas-container {
  background: #1a1a1a;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
}
.canvas-container canvas {
  display: block;
  width: 100%;
  height: auto;
  cursor: default;
}
.canvas-container canvas.dragging { cursor: grabbing; }
.canvas-container canvas.hovering { cursor: grab; }

.canvas-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--gray-light);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.action-btn:hover { border-color: rgba(255,255,255,0.3); color: var(--white); }
.action-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.action-btn-primary {
  background: var(--orange); border-color: var(--orange);
  color: #fff; font-weight: 600; margin-left: auto;
}
.action-btn-primary:hover { opacity: 0.9; color: #fff; }

/* ---- Submit Modal ---- */
.cd-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.cd-modal {
  background: #111;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  width: 100%; max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
}
.cd-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.cd-modal-header h2 { font-size: 1.1rem; font-weight: 700; color: var(--white); }
.cd-modal-close {
  background: none; border: none;
  color: var(--gray-light); font-size: 1.5rem;
  cursor: pointer; line-height: 1;
}
.cd-modal-body { padding: 1.5rem; }
.cd-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cd-form-group { margin-bottom: 1rem; }
.cd-form-group label {
  display: block; font-size: 0.78rem;
  font-weight: 600; color: var(--gray-light);
  margin-bottom: 0.3rem;
}
.cd-form-group input,
.cd-form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  padding: 0.6rem 0.8rem;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.cd-form-group input:focus,
.cd-form-group textarea:focus { border-color: var(--orange); }
.cd-form-group input::placeholder,
.cd-form-group textarea::placeholder { color: rgba(255,255,255,0.2); }

.cd-preview-box {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
}
.cd-preview-box canvas { display: block; width: 100%; height: auto; }
.cd-preview-box span { display: block; font-size: 0.7rem; color: rgba(255,255,255,0.3); padding: 0.4rem; }

/* Toast */
.cd-toast {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  background: rgba(34,197,94,0.15);
  border: 1px solid rgba(34,197,94,0.4);
  color: #4ade80;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem; font-weight: 500;
  z-index: 1100;
  transform: translateY(120%); opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
}
.cd-toast.show { transform: translateY(0); opacity: 1; }
.cd-toast.error { background: rgba(239,68,68,0.15); border-color: rgba(239,68,68,0.4); color: #f87171; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .designer-layout { grid-template-columns: 1fr; }
  .designer-toolbar { position: static; max-height: none; }
  .designer-canvas-wrap { position: static; }
}
@media (max-width: 600px) {
  .upload-grid { grid-template-columns: 1fr; }
  .cardesign-hero { padding: 8rem 0 2rem; }
  .cd-form-row { grid-template-columns: 1fr; }
}