:root {
  --accent:        #e8001a;
  --accent-dim:    rgba(232, 0, 26, 0.12);
  --accent-mid:    rgba(232, 0, 26, 0.35);
  --hud-bg:        rgba(6, 6, 10, 0.96);
  --border-sub:    rgba(255, 255, 255, 0.06);
  --border-med:    rgba(255, 255, 255, 0.10);
  --text-1:        #f0efe8;
  --text-2:        #7a7a82;
  --text-3:        #36363f;
  --sidebar-w:     340px;
  --font:          'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display:  'Barlow Condensed', 'Inter', sans-serif;
  --ease-out:      cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  background: #08080f;
  overflow: hidden;
  font-family: var(--font);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
}

/* ── Canvas ─────────────────────────────────────────────────────────────────── */

#viewport {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
}

/* ── Vignette ────────────────────────────────────────────────────────────────── */

#vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at 50% 60%, transparent 38%, rgba(0, 0, 0, 0.52) 100%);
  pointer-events: none;
}

/* ── Utility ─────────────────────────────────────────────────────────────────── */

.ui-hidden { display: none !important; }

/* ── Logo overlay ────────────────────────────────────────────────────────────── */

#logo-overlay {
  position: fixed;
  top: 28px;
  left: 32px;
  z-index: 210;
  pointer-events: none;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-1);
  line-height: 1;
}

.subtitle {
  font-size: 9px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  opacity: 0.7;
  margin-top: 5px;
}

/* ── Car picker ──────────────────────────────────────────────────────────────── */

.car-picker {
  display: flex;
  gap: 14px;
}

.car-card {
  width: 190px;
  padding: 22px 20px;
  background: rgba(6, 6, 10, 0.85);
  border: 1px solid var(--accent-mid);
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
  backdrop-filter: blur(16px);
  transition: background 0.18s, border-color 0.18s, transform 0.12s, box-shadow 0.18s;
  box-shadow: 0 0 32px rgba(232, 0, 26, 0.06);
  font-family: var(--font);
}

.car-card:hover:not(:disabled) {
  background: var(--accent-dim);
  border-color: var(--accent-mid);
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(232, 0, 26, 0.18);
}

.car-card:active:not(:disabled) { transform: translateY(0); }

.car-card:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.car-card-make {
  font-size: 9px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  opacity: 0.85;
  display: block;
}

.car-card-model {
  font-size: 19px;
  font-weight: 900;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1.1;
  display: block;
}

.car-card-specs {
  font-size: 9.5px;
  color: var(--text-2);
  letter-spacing: 0.02em;
  display: block;
  margin-top: 2px;
  line-height: 1.5;
}

.car-card-cta {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  display: block;
  margin-top: 12px;
}

/* ── Hero title (shown only in car picker context) ───────────────────────────── */

.hero-eyebrow {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: 0.85;
}



#load-prompt {
  position: fixed;
  top: 50%;
  left: calc((100vw - var(--sidebar-w)) / 2);
  transform: translate(-50%, -50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

#load-prompt.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -58%);
}

.hero-eyebrow {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: 0.85;
}

.hero-title {
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text-1);
  text-align: center;
}

.btn-load-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 36px;
  background: rgba(6, 6, 10, 0.85);
  border: 1px solid var(--accent-mid);
  border-radius: 10px;
  color: var(--accent);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(16px);
  transition: background 0.18s, border-color 0.18s, transform 0.12s, box-shadow 0.18s;
  box-shadow: 0 0 40px rgba(232, 0, 26, 0.08);
}

.btn-load-cta:hover {
  background: var(--accent-dim);
  border-color: var(--accent-mid);
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(232, 0, 26, 0.2);
}

.btn-load-cta:active  { transform: translateY(0); }

.btn-load-cta:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.cta-arrow {
  font-size: 18px;
  transition: transform 0.18s;
}

.btn-load-cta:hover .cta-arrow { transform: translateX(4px); }

.cta-hint {
  font-size: 10px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

/* ── Right sidebar ───────────────────────────────────────────────────────────── */

#sidebar-toggle {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 11;
  width: 22px;
  height: 56px;
  padding: 0;
  background: rgba(28, 28, 36, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-right: none;
  border-radius: 6px 0 0 6px;
  color: var(--text-1);
  font-size: 10px;
  cursor: pointer;
  transition: right 0.45s var(--ease-out), color 0.15s, background 0.15s, border-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: -3px 0 12px rgba(0, 0, 0, 0.4);
}

#sidebar-toggle:hover {
  background: rgba(45, 45, 58, 0.98);
  border-color: var(--accent);
  color: var(--accent);
}

#sidebar-toggle.panel-open {
  right: var(--sidebar-w);
}

/* Collapse button inside sidebar header */
#btn-sidebar-collapse {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  padding: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-med);
  border-radius: 50%;
  color: var(--text-2);
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

#btn-sidebar-collapse:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--text-2);
  color: var(--text-1);
}

#sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: rgba(12, 12, 16, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--border-sub);
  z-index: 10;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease-out);
}

#sidebar.sidebar-visible {
  transform: translateX(0);
}

/* ── Sidebar header ──────────────────────────────────────────────────────────── */

#sidebar-header {
  position: relative;
  z-index: 10;
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border-sub);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
  pointer-events: none;
}

#sidebar-header.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#sidebar-car-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
}

#sidebar-car-specs {
  font-size: 10px;
  color: var(--accent);
  margin-top: 4px;
  opacity: 0.7;
  letter-spacing: 0.03em;
}

#car-config {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 5px;
  letter-spacing: 0.02em;
  min-height: 16px;
}

/* ── Car picker button + dropdown ────────────────────────────────────────────── */

#btn-car-picker {
  margin-top: 10px;
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-med);
  border-radius: 4px;
  color: var(--text-2);
  font-family: inherit;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 12px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.18s, color 0.18s;
}

#btn-car-picker:hover,
#btn-car-picker.active {
  border-color: var(--accent);
  color: var(--text-1);
}

#car-picker-dropdown {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  background: #0c0c10;
  border: 1px solid var(--border-med);
  border-radius: 6px;
  z-index: 200;
  box-shadow: 0 8px 32px rgba(0,0,0,0.7);
  overflow: hidden;
}

#car-picker-dropdown.hidden { display: none; }

/* Logo grid */
#picker-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  padding: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.picker-logo-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid transparent;
  border-radius: 5px;
  padding: 7px 4px;
  cursor: pointer;
  transition: background 0.14s, border-color 0.14s;
}

.picker-logo-btn:hover,
.picker-logo-btn.hovered {
  background: rgba(255,255,255,0.08);
  border-color: var(--accent);
}

.picker-logo-btn img {
  max-width: 38px;
  max-height: 28px;
  object-fit: contain;
  filter: drop-shadow(0 1px 4px rgba(255,255,255,0.08));
}

.picker-logo-btn .logo-invert {
  filter: invert(1) drop-shadow(0 1px 4px rgba(255,255,255,0.08));
}

/* Model list */
#picker-models {
  padding: 6px 0;
  max-height: 200px;
  overflow-y: auto;
}

.picker-model-btn {
  display: block;
  width: 100%;
  background: none;
  border: none;
  padding: 9px 16px;
  text-align: left;
  color: var(--text-1);
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.picker-model-btn:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
}

/* ── Sidebar content (accordion) ─────────────────────────────────────────────── */

#sidebar-content {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: none;
  counter-reset: section-counter;
}

#sidebar-content::-webkit-scrollbar { display: none; }

/* ── Accordion sections ──────────────────────────────────────────────────────── */

.sidebar-section {
  border-bottom: 1px solid var(--border-sub);
  counter-increment: section-counter;
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  transition: background 0.15s;
  user-select: none;
}

.sidebar-section-header:hover { background: rgba(255, 255, 255, 0.03); }

.sidebar-section.locked .sidebar-section-header {
  cursor: not-allowed;
  opacity: 0.25;
  pointer-events: none;
}

.sidebar-section-label {
  font-size: 11px;
  font-weight: 900;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-2);
  transition: color 0.15s;
}

.sidebar-section-label::before {
  content: "0" counter(section-counter) "  ";
  color: var(--accent);
  font-size: 8px;
  letter-spacing: 0.1em;
}

.sidebar-section.open .sidebar-section-label { color: var(--accent); }

.sidebar-section.open > .sidebar-section-header {
  border-left: 3px solid var(--accent);
  padding-left: 21px;
}

.sidebar-section-value {
  margin-left: auto;
  margin-right: 12px;
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}

.sidebar-chevron {
  font-size: 15px;
  color: var(--text-3);
  transition: transform 0.22s var(--ease-out);
  flex-shrink: 0;
}

.sidebar-section.open .sidebar-chevron { transform: rotate(90deg); }

.sidebar-section-body {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height 0.35s var(--ease-out), padding 0.35s var(--ease-out);
}

.sidebar-section.open .sidebar-section-body {
  max-height: 600px;
  padding: 0 24px 16px;
}

/* ── Paint swatches ──────────────────────────────────────────────────────────── */

#color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 0 8px;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  outline: none;
  flex-shrink: 0;
  transition: transform 0.14s, border-color 0.14s, box-shadow 0.14s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.color-swatch:hover:not(:disabled) {
  transform: scale(1.18);
  border-color: rgba(255, 255, 255, 0.35);
}

.color-swatch.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent), 0 2px 10px rgba(0, 0, 0, 0.5);
  transform: scale(1.1);
}

.color-swatch:disabled {
  opacity: 0.18;
  cursor: not-allowed;
}

#active-color-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: 0.02em;
  padding-bottom: 8px;
}

/* ── Part list (vertical) ────────────────────────────────────────────────────── */

.part-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 10px 0 4px;
}

.part-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 7px;
  border: 1px solid var(--border-sub);
  background: transparent;
  cursor: pointer;
  text-align: left;
  width: 100%;
  font-family: var(--font);
  transition: background 0.15s, border-color 0.15s;
}

.part-item:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-med);
}

.part-item.active {
  background: var(--accent-dim);
  border-color: var(--accent-mid);
}

.part-item:disabled {
  opacity: 0.2;
  cursor: not-allowed;
}

.part-item-thumb {
  width: 60px;
  height: 38px;
  border-radius: 4px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
}

.part-item-swatch {
  width: 60px;
  height: 38px;
  border-radius: 4px;
  flex-shrink: 0;
  opacity: 0.65;
}

.part-item-info { flex: 1; }

.part-item-name {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-1);
}

.part-item.active .part-item-name { color: var(--accent); }

.part-item-finish {
  display: block;
  font-size: 10px;
  color: var(--text-2);
  margin-top: 2px;
}

.part-item.none-item { border-style: dashed; }
.part-item.none-item .part-item-name { color: var(--text-3); }
.part-item.none-item.active .part-item-name { color: var(--text-2); }
.part-item.none-item.active { background: rgba(255,255,255,0.02); border-color: var(--text-3); }

/* ── Sidebar footer ──────────────────────────────────────────────────────────── */

#sidebar-footer {
  padding: 10px 24px 14px;
  border-top: 1px solid var(--border-sub);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

#sidebar-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#status-inline {
  display: flex;
  align-items: center;
  gap: 7px;
}

#status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-3);
  flex-shrink: 0;
  transition: background 0.3s;
}

#status-text {
  font-family: "SF Mono", "Fira Code", ui-monospace, monospace;
  font-size: 9px;
  color: var(--text-2);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

#sidebar.loading #status-dot { background: var(--accent); }
#sidebar.ok      #status-dot { background: #5cb85c; }
#sidebar.error   #status-dot { background: #e06060; }
#status-text.loading { color: var(--accent); }
#status-text.ok      { color: #5cb85c; }
#status-text.error   { color: #e06060; }

#sidebar-actions { display: flex; gap: 5px; }

.sidebar-btn {
  padding: 5px 12px;
  background: none;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.sidebar-btn:hover:not(:disabled) {
  color: var(--text-1);
  border-color: var(--border-med);
}

.sidebar-btn.active {
  color: var(--accent);
  border-color: var(--accent-mid);
  background: var(--accent-dim);
}

.sidebar-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

#btn-render:hover:not(:disabled) {
  color: var(--accent);
  border-color: var(--accent-mid);
}

/* ── Camera bar (floating pill) ──────────────────────────────────────────────── */

#camera-bar {
  position: fixed;
  bottom: 28px;
  left: calc((100vw - var(--sidebar-w)) / 2);
  transform: translateX(-50%) translateY(80px);
  opacity: 0;
  z-index: 20;
  display: flex;
  gap: 3px;
  background: rgba(12, 12, 16, 0.82);
  border: 1px solid var(--border-med);
  border-radius: 8px;
  padding: 5px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: none;
  transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out);
}

#camera-bar.bar-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.cam-btn {
  padding: 5px 16px;
  background: none;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.cam-btn:hover { color: var(--text-1); border-color: var(--border-med); }
.cam-btn.active { color: var(--accent); border-color: var(--accent-mid); background: var(--accent-dim); }

/* ── Render modal ────────────────────────────────────────────────────────────── */

#render-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease-out);
}

#render-modal.visible {
  opacity: 1;
  pointer-events: all;
}

#render-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
}

#render-modal-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 101;
  background: rgba(12, 12, 16, 0.98);
  border: 1px solid var(--border-med);
  border-radius: 12px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  min-width: 280px;
}

#render-spinner-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.render-modal-msg {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: 0.04em;
}

.render-modal-hint {
  font-size: 10px;
  color: var(--text-2);
  letter-spacing: 0.06em;
}

#render-result-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

#render-img {
  max-width: min(960px, 88vw);
  max-height: 70vh;
  border-radius: 6px;
  display: block;
}

#render-modal-actions { display: flex; gap: 10px; }

#btn-render-download {
  display: flex;
  align-items: center;
  padding: 8px 20px;
  background: var(--accent);
  color: #000;
  font-family: var(--font);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.15s;
}

#btn-render-download:hover { opacity: 0.85; }

#btn-render-close {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--border-med);
  border-radius: 6px;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

#btn-render-close:hover { color: var(--text-1); border-color: rgba(255,255,255,0.2); }

/* ── Render angle selector ───────────────────────────────────────────────────── */

#render-angle-selector { display: flex; gap: 6px; }

.angle-btn {
  padding: 5px 14px;
  background: transparent;
  border: 1px solid var(--border-med);
  border-radius: 5px;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.angle-btn:hover:not(:disabled) { color: var(--text-1); border-color: rgba(255,255,255,0.2); }
.angle-btn.active  { color: var(--accent); border-color: var(--accent-mid); background: var(--accent-dim); }
.angle-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Car switch transition overlay ──────────────────────────────────────────── */

#car-transition-overlay {
  position: fixed;
  inset: 0;
  background: #08080f;
  pointer-events: none;
  opacity: 0;
  z-index: 4;
  transition: opacity 0.38s var(--ease-out);
}

#car-transition-overlay.active { opacity: 1; }

/* ── Loading overlay ─────────────────────────────────────────────────────────── */

#loading-overlay {
  position: fixed;
  inset: 0;
  right: var(--sidebar-w);
  background: rgba(6, 6, 10, 0.55);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 5;
  gap: 16px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s;
}

#loading-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.spinner {
  width: 34px;
  height: 34px;
  border: 2px solid var(--accent-dim);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.loading-msg {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.loading-bar-track {
  width: 160px;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.2s ease-out;
}

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

/* ── Environment switcher ────────────────────────────────────────────────────── */

#env-switcher {
  display: flex;
  gap: 4px;
}

.env-btn {
  flex: 1;
  padding: 5px 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-sub);
  border-radius: 4px;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.env-btn:hover { color: var(--text-1); border-color: var(--border-med); }

.env-btn.active {
  color: var(--accent);
  border-color: var(--accent-mid);
  background: var(--accent-dim);
}

/* ── Custom paint picker ─────────────────────────────────────────────────────── */

#custom-paint-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 0 4px;
}

#custom-color-input {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border-med);
  cursor: pointer;
  padding: 0;
  outline: none;
  flex-shrink: 0;
  background: none;
  transition: border-color 0.14s, transform 0.14s;
}

#custom-color-input:hover:not(:disabled) {
  border-color: rgba(255,255,255,0.35);
  transform: scale(1.12);
}

#custom-color-input:disabled { opacity: 0.18; cursor: not-allowed; }

#custom-paint-row label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.08em;
  cursor: pointer;
  text-transform: uppercase;
}

/* ── Mobile ──────────────────────────────────────────────────────────────────── */

@media (max-width: 700px) {
  :root { --sidebar-w: 100vw; }

  #sidebar {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    height: 52vh;
    width: 100vw;
    border-left: none;
    border-top: 1px solid var(--border-sub);
  }

  #sidebar-header { padding: 16px 18px 14px; }
  #sidebar-car-name { font-size: 12px; }
  #sidebar-car-specs { font-size: 9px; }
  #car-config { font-size: 10px; }
  #btn-car-picker { font-size: 9px; padding: 6px 10px; }

  #sidebar-content { padding: 0; }
  .sidebar-section-header { padding: 14px 18px; }
  .sidebar-section-body { padding: 0 18px; }
  .sidebar-section.open .sidebar-section-body { padding: 0 18px 12px; }

  #sidebar-footer { padding: 8px 18px 12px; }
  .sidebar-btn { padding: 4px 9px; font-size: 8px; }

  #color-swatches { gap: 6px; }
  .color-swatch { width: 24px; height: 24px; }
  #custom-color-input { width: 24px; height: 24px; }

  #garage { padding: 0; }
  #lp-brand-grid { gap: 14px; padding: 0 20px 24px; }
  .lp-brand-btn { width: 72px; padding: 12px 6px 10px; }
  .lp-brand-logo img, .lp-brand-logo svg { width: 30px; height: 30px; }
  #lp-model-panel-inner { padding: 20px; gap: 14px; }
  #lp-title { font-size: clamp(52px, 14vw, 80px); }
  #lp-hero { padding: 48px 20px 28px; }

  #logo-overlay { left: 16px; top: 16px; }
  .logo { font-size: 17px; }

  #camera-bar { bottom: calc(52vh + 12px); left: 50%; }
  .cam-btn { padding: 5px 10px; font-size: 8px; }

  #btn-change-car { font-size: 10px; padding: 6px 14px; }
}

/* ── Landing page ─────────────────────────────────────────────────────────── */

#garage {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  background: rgba(6, 6, 10, 0.96);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

#garage.garage-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.015);
}

/* Hero */
#lp-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 48px 40px;
  flex-shrink: 0;
}

#lp-eyebrow {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

#lp-title {
  font-family: var(--font-display);
  font-size: clamp(64px, 10vw, 120px);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 16px;
}

#lp-title-accent { color: var(--accent); }

#lp-slogan {
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: 0.06em;
}

/* Brand logo grid */
#lp-brand-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 0 48px 32px;
  flex-shrink: 0;
}

.lp-brand-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  width: 90px;
  padding: 16px 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-sub);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s, transform 0.15s;
}

.lp-brand-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--border-med);
  transform: translateY(-2px);
}

.lp-brand-btn.active {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent);
}

.lp-brand-logo img,
.lp-brand-logo svg {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.lp-brand-name {
  font-family: var(--font-display);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-2);
  text-transform: uppercase;
}

.lp-brand-btn.active .lp-brand-name { color: var(--text-1); }

/* Model panel */
#lp-model-panel {
  flex-shrink: 0;
  border-top: 1px solid var(--border-sub);
  background: rgba(10, 10, 16, 0.7);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

#lp-model-panel.lp-hidden {
  display: none;
}

#lp-model-panel-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 28px 48px 48px;
}

.lp-model-card {
  flex: 1 1 220px;
  max-width: 320px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-sub);
  border-radius: 6px;
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.18s, background 0.18s;
}

.lp-model-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-med);
}

.lp-model-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-1);
}

.lp-model-specs {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.lp-model-tagline {
  font-size: 10px;
  font-style: italic;
  color: var(--text-2);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.lp-model-cta {
  margin-top: auto;
  padding-top: 12px;
  background: none;
  border: none;
  border-top: 1px solid var(--border-sub);
  color: var(--text-1);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  text-align: left;
  transition: color 0.15s, letter-spacing 0.15s;
}

.lp-model-cta:hover:not(:disabled) {
  color: var(--accent);
  letter-spacing: 0.24em;
}

.lp-model-cta:disabled {
  opacity: 0.45;
  cursor: default;
}

@media (max-width: 900px) {
  #lp-brand-grid { gap: 8px; padding: 0 16px 24px; }
}

  background: linear-gradient(
    160deg,
    rgba(4, 4, 8, 0.97) 0%,
    rgba(4, 4, 8, 0.94) 50%,
    rgba(4, 4, 8, 0.76) 75%,
    rgba(4, 4, 8, 0.92) 100%
  );
}

/* ── Change car button (in configurator mode) ────────────────────────────────── */

#btn-change-car {
  position: fixed;
  top: 24px;
  left: 32px;
  z-index: 30;
  padding: 9px 18px;
  background: rgba(10, 10, 16, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  color: #d0d0d8;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

#btn-change-car:hover {
  color: var(--accent);
  border-color: var(--accent-mid);
  background: var(--accent-dim);
}