/* ==========================================================================
   Chandi Mahal — Haute Joaillerie 3D Ring Atelier
   Full-width WebGL 3D Canvas + 5-Step Stepper Below
   Scoped strictly under .chandi-studio-3d-wrapper / #studio
   ========================================================================== */

.chandi-studio-3d-wrapper {
  --studio-bg: var(--bg-void, #F4F1E9);
  --studio-card: var(--bg-card, #FDFBF6);
  --studio-raised: var(--bg-raised, #ECE7DB);
  --studio-text: var(--ink, #17181D);
  --studio-dim: var(--ink-dim, #5B5850);
  --studio-faint: var(--faint, #97917F);
  --studio-gold: var(--gold, #A87F3D);
  --studio-gold-bright: var(--gold-bright, #8F6A2F);
  --studio-gold-glow: rgba(168, 127, 61, 0.20);
  --studio-line: var(--line, rgba(23, 24, 29, 0.12));
  --studio-gold-line: var(--gold-line, rgba(168, 127, 61, 0.40));
  --studio-radius: 16px;
  --studio-radius-sm: 10px;
  --studio-font-display: var(--font-display, 'Fraunces', Georgia, serif);
  --studio-font-sans: var(--font-sans, 'Manrope', -apple-system, sans-serif);
  --studio-transition: cubic-bezier(0.22, 1, 0.36, 1);

  position: relative;
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
  color: var(--studio-text);
  font-family: var(--studio-font-sans);
  box-sizing: border-box;
}

html[data-theme='dark'] .chandi-studio-3d-wrapper {
  --studio-bg: #0B0C0F;
  --studio-card: #17191F;
  --studio-raised: #131519;
  --studio-text: #EDEAE3;
  --studio-dim: #9BA0AB;
  --studio-faint: #63676F;
  --studio-gold: #C6A15B;
  --studio-gold-bright: #E7CF9F;
  --studio-gold-glow: rgba(198, 161, 91, 0.25);
  --studio-line: rgba(237, 234, 227, 0.10);
  --studio-gold-line: rgba(198, 161, 91, 0.35);
}

.chandi-studio-3d-wrapper * {
  box-sizing: border-box;
}

/* ==========================================================================
   1. FULL-WIDTH CINEMATIC 3D HERO CANVAS (TOP)
   ========================================================================== */

.studio-hero-canvas-wrap {
  width: 100%;
  margin-bottom: 2rem;
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth {
  position: relative;
  width: 100%;
  height: clamp(440px, 62vh, 640px);
  min-height: 420px;
  border-radius: var(--studio-radius);
  overflow: hidden;
  background: radial-gradient(circle at 50% 45%, #f4eee2 0%, #ded7c8 100%);
  border: 1px solid var(--studio-gold-line);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.08);
  touch-action: none;
  cursor: grab;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light {
  background: radial-gradient(circle at 50% 45%, #f4eee2 0%, #ded7c8 100%) !important;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.08);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark {
  background: radial-gradient(circle at 50% 45%, #181512 0%, #080706 100%) !important;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.40);
}

/* Dark Mode Viewport HUD Overrides */
.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .stage-badge {
  background: rgba(23, 25, 31, 0.85);
  color: #EDEAE3;
  border-color: rgba(198, 161, 91, 0.35);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .toolbtn {
  background: rgba(23, 25, 31, 0.85);
  color: #EDEAE3;
  border-color: rgba(237, 234, 227, 0.14);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .toolbtn:hover {
  border-color: var(--studio-gold);
  color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .toolbtn.is-active {
  background: var(--studio-gold);
  color: #0B0C0F;
  border-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .stage-ring-info {
  background: rgba(19, 21, 25, 0.88);
  border-color: rgba(198, 161, 91, 0.35);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .stage-ring-title {
  color: #EDEAE3;
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .stage-ring-specs {
  color: #9BA0AB;
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .stage-price-pill {
  background: rgba(23, 25, 31, 0.92);
  border-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .stage-price-num {
  color: #EDEAE3;
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-dark .stage-orbit-hint {
  color: #9BA0AB;
}

/* Light Mode Viewport HUD Overrides */
.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .stage-badge {
  background: rgba(255, 255, 255, 0.85);
  color: #17181D;
  border-color: rgba(168, 127, 61, 0.40);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .toolbtn {
  background: rgba(255, 255, 255, 0.88);
  color: #17181D;
  border-color: rgba(23, 24, 29, 0.12);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .toolbtn:hover {
  border-color: var(--studio-gold);
  color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .toolbtn.is-active {
  background: var(--studio-gold);
  color: #ffffff;
  border-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .stage-ring-info {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(168, 127, 61, 0.40);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .stage-ring-title {
  color: #17181D;
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .stage-ring-specs {
  color: #5B5850;
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .stage-price-pill {
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .stage-price-num {
  color: #17181D;
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth.is-light .stage-orbit-hint {
  color: #5B5850;
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .viewport.stage-fullwidth {
  background: radial-gradient(circle at 50% 45%, #181512 0%, #080706 100%);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.40);
}

.chandi-studio-3d-wrapper .viewport.stage-fullwidth:active {
  cursor: grabbing;
}

.chandi-studio-3d-wrapper .stage-canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.chandi-studio-3d-wrapper .stage-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 65%, rgba(0, 0, 0, 0.22) 100%);
}

/* Floating Top Bar */
.chandi-studio-3d-wrapper .stage-top-bar {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  pointer-events: none;
  z-index: 10;
}

.chandi-studio-3d-wrapper .stage-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--studio-gold-line);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--studio-text);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  pointer-events: auto;
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .stage-badge {
  background: rgba(23, 25, 31, 0.75);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.chandi-studio-3d-wrapper .live-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2ebd72;
  box-shadow: 0 0 0 0 rgba(46, 189, 114, 0.7);
  animation: cm-pulse 2s infinite;
}

@keyframes cm-pulse {
  0% { box-shadow: 0 0 0 0 rgba(46, 189, 114, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(46, 189, 114, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 189, 114, 0); }
}

/* Camera Chips */
.chandi-studio-3d-wrapper .stage-camera-chips {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  pointer-events: auto;
  flex-wrap: wrap;
}

.chandi-studio-3d-wrapper .toolbtn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--studio-line);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--studio-text);
  cursor: pointer;
  transition: all 0.2s var(--studio-transition);
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .toolbtn {
  background: rgba(23, 25, 31, 0.82);
}

.chandi-studio-3d-wrapper .toolbtn:hover {
  border-color: var(--studio-gold);
  color: var(--studio-gold);
  transform: translateY(-1px);
}

.chandi-studio-3d-wrapper .toolbtn.is-active {
  background: var(--studio-gold);
  color: #ffffff;
  border-color: var(--studio-gold);
  box-shadow: 0 4px 12px var(--studio-gold-glow);
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .toolbtn.is-active {
  color: #0B0C0F;
}

/* Floating Bottom HUD */
.chandi-studio-3d-wrapper .stage-bottom-hud {
  position: absolute;
  bottom: 2.2rem;
  left: 1.25rem;
  right: 1.25rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  pointer-events: none;
  z-index: 10;
}

.chandi-studio-3d-wrapper .stage-ring-info {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--studio-gold-line);
  padding: 0.75rem 1.15rem;
  border-radius: var(--studio-radius-sm);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  pointer-events: auto;
  max-width: 60%;
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .stage-ring-info {
  background: rgba(19, 21, 25, 0.85);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

.chandi-studio-3d-wrapper .stage-ring-title {
  margin: 0 0 0.2rem;
  font-family: var(--studio-font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--studio-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chandi-studio-3d-wrapper .stage-ring-specs {
  margin: 0;
  font-size: 0.78rem;
  color: var(--studio-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chandi-studio-3d-wrapper .stage-price-pill {
  background: rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1.5px solid var(--studio-gold);
  padding: 0.65rem 1.15rem;
  border-radius: var(--studio-radius-sm);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  box-shadow: 0 6px 20px var(--studio-gold-glow);
  pointer-events: auto;
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .stage-price-pill {
  background: rgba(23, 25, 31, 0.90);
}

.chandi-studio-3d-wrapper .stage-price-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .stage-price-num {
  font-family: var(--studio-font-sans);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--studio-text);
  line-height: 1.15;
  transition: transform 0.25s var(--studio-transition);
}

.chandi-studio-3d-wrapper .stage-price-num.bump {
  animation: cm-price-bump 0.35s ease-out;
}

@keyframes cm-price-bump {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); color: var(--studio-gold); }
  100% { transform: scale(1); }
}

.chandi-studio-3d-wrapper .stage-orbit-hint {
  position: absolute;
  bottom: 0.65rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.72rem;
  color: var(--studio-dim);
  opacity: 0.85;
  pointer-events: none;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   2. STEP-BY-STEP CUSTOMIZER (BELOW CANVAS)
   ========================================================================== */

.studio-stepper-container {
  background: var(--studio-card);
  border: 1px solid var(--studio-line);
  border-radius: var(--studio-radius);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

html[data-theme='dark'] .studio-stepper-container {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Stepper Progress Tabs */
.chandi-studio-3d-wrapper .stepper-progress-nav {
  display: flex;
  align-items: stretch;
  background: var(--studio-raised);
  border-bottom: 1px solid var(--studio-line);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.chandi-studio-3d-wrapper .stepper-progress-nav::-webkit-scrollbar {
  display: none;
}

.chandi-studio-3d-wrapper .stepper-tab {
  flex: 1;
  min-width: 140px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.15rem 1rem;
  background: transparent;
  border: none;
  border-right: 1px solid var(--studio-line);
  border-bottom: 3px solid transparent;
  color: var(--studio-dim);
  text-align: left;
  cursor: pointer;
  transition: all 0.25s var(--studio-transition);
}

.chandi-studio-3d-wrapper .stepper-tab:last-child {
  border-right: none;
}

.chandi-studio-3d-wrapper .stepper-tab:hover {
  background: rgba(255, 255, 255, 0.4);
  color: var(--studio-text);
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .stepper-tab:hover {
  background: rgba(255, 255, 255, 0.03);
}

.chandi-studio-3d-wrapper .stepper-tab.is-active {
  background: var(--studio-card);
  color: var(--studio-text);
  border-bottom-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .stepper-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--studio-line);
  color: var(--studio-dim);
  flex-shrink: 0;
  transition: all 0.2s var(--studio-transition);
}

.chandi-studio-3d-wrapper .stepper-tab.is-active .stepper-num {
  background: var(--studio-gold);
  color: #ffffff;
  box-shadow: 0 2px 8px var(--studio-gold-glow);
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .stepper-tab.is-active .stepper-num {
  color: #0B0C0F;
}

.chandi-studio-3d-wrapper .stepper-tab.is-done .stepper-num {
  background: rgba(46, 189, 114, 0.15);
  color: #2ebd72;
}

.chandi-studio-3d-wrapper .stepper-tab-text {
  display: flex;
  flex-direction: column;
}

.chandi-studio-3d-wrapper .stepper-step-title {
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.25;
}

.chandi-studio-3d-wrapper .stepper-step-sub {
  font-size: 0.72rem;
  color: var(--studio-faint);
  line-height: 1.2;
}

/* Panels Wrap */
.chandi-studio-3d-wrapper .stepper-panels-wrap {
  padding: 2rem 1.75rem 2.5rem;
}

.chandi-studio-3d-wrapper .studio-panel {
  display: none;
  animation: cm-panel-fade 0.35s var(--studio-transition);
}

.chandi-studio-3d-wrapper .studio-panel.is-active {
  display: block;
}

@keyframes cm-panel-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Panel Header */
.chandi-studio-3d-wrapper .panel-header {
  margin-bottom: 1.75rem;
}

.chandi-studio-3d-wrapper .panel-kicker {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--studio-gold);
  margin-bottom: 0.35rem;
}

.chandi-studio-3d-wrapper .panel-heading {
  margin: 0 0 0.35rem;
  font-family: var(--studio-font-display);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--studio-text);
  line-height: 1.25;
}

.chandi-studio-3d-wrapper .panel-subheading {
  margin: 0;
  font-size: 0.9rem;
  color: var(--studio-dim);
  max-width: 650px;
  line-height: 1.5;
}

.chandi-studio-3d-wrapper .section-micro-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--studio-dim);
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   CARDS GRIDS (STEP 1 & STEP 2)
   ========================================================================== */

.chandi-studio-3d-wrapper .setting-cards-grid,
.chandi-studio-3d-wrapper .band-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.chandi-studio-3d-wrapper .chip-setting-card,
.chandi-studio-3d-wrapper .chip-band-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.25rem 1rem;
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  cursor: pointer;
  transition: all 0.22s var(--studio-transition);
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .chip-setting-card:hover,
.chandi-studio-3d-wrapper .chip-band-card:hover {
  border-color: var(--studio-gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

.chandi-studio-3d-wrapper .chip-setting-card.is-active,
.chandi-studio-3d-wrapper .chip-band-card.is-active {
  border-color: var(--studio-gold);
  background: var(--studio-card);
  box-shadow: 0 0 0 1px var(--studio-gold), 0 8px 22px var(--studio-gold-glow);
}

.chandi-studio-3d-wrapper .setting-card-media {
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.chandi-studio-3d-wrapper .cad-icon {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.12));
  transition: transform 0.25s var(--studio-transition);
}

.chandi-studio-3d-wrapper .chip-setting-card:hover .cad-icon,
.chandi-studio-3d-wrapper .chip-band-card:hover .cad-icon {
  transform: scale(1.06);
}

.chandi-studio-3d-wrapper .setting-card-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.chandi-studio-3d-wrapper .card-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .card-desc {
  font-size: 0.76rem;
  color: var(--studio-dim);
  line-height: 1.35;
}

/* ==========================================================================
   METALS & FINISH (STEP 3)
   ========================================================================== */

.chandi-studio-3d-wrapper .metal-step-content {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.chandi-studio-3d-wrapper .metal-cards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.chandi-studio-3d-wrapper .swatch-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 0.9rem;
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  cursor: pointer;
  transition: all 0.22s var(--studio-transition);
  text-align: left;
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .swatch-card:hover {
  border-color: var(--studio-gold);
  transform: translateY(-2px);
}

.chandi-studio-3d-wrapper .swatch-card.is-active {
  border-color: var(--studio-gold);
  background: var(--studio-card);
  box-shadow: 0 0 0 1px var(--studio-gold), 0 6px 18px var(--studio-gold-glow);
}

.chandi-studio-3d-wrapper .swatch-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.6);
}

.chandi-studio-3d-wrapper .swatch-circle.metal-silver {
  background: linear-gradient(135deg, #ffffff 0%, #d8dde4 40%, #9ca5b2 100%);
}

.chandi-studio-3d-wrapper .swatch-circle.metal-gold {
  background: linear-gradient(135deg, #fff2c4 0%, #f5d378 45%, #b58d24 100%);
}

.chandi-studio-3d-wrapper .swatch-circle.metal-rose {
  background: linear-gradient(135deg, #fed4c8 0%, #e6a38e 45%, #b0624c 100%);
}

.chandi-studio-3d-wrapper .swatch-circle.metal-white {
  background: linear-gradient(135deg, #ffffff 0%, #e8edf5 45%, #a8b4c4 100%);
}

.chandi-studio-3d-wrapper .swatch-circle.metal-oxidised {
  background: linear-gradient(135deg, #5e626e 0%, #3d4046 50%, #1c1d22 100%);
}

.chandi-studio-3d-wrapper .swatch-meta {
  display: flex;
  flex-direction: column;
}

.chandi-studio-3d-wrapper .swatch-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--studio-text);
  line-height: 1.25;
}

.chandi-studio-3d-wrapper .swatch-subtitle {
  font-size: 0.72rem;
  color: var(--studio-dim);
}

/* Finish Chips */
.chandi-studio-3d-wrapper .finish-chips-wrap {
  display: flex;
  gap: 1rem;
}

.chandi-studio-3d-wrapper .chip-finish {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  cursor: pointer;
  transition: all 0.2s var(--studio-transition);
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .chip-finish:hover {
  border-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .chip-finish.is-active {
  border-color: var(--studio-gold);
  background: var(--studio-card);
  box-shadow: 0 0 0 1px var(--studio-gold);
}

.chandi-studio-3d-wrapper .finish-indicator {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--studio-gold);
}

.chandi-studio-3d-wrapper .finish-dot-polish {
  background: radial-gradient(circle, #fff 0%, #d4af6a 100%);
}

.chandi-studio-3d-wrapper .finish-dot-satin {
  background: #d4af6a;
  opacity: 0.45;
}

.chandi-studio-3d-wrapper .finish-name {
  font-size: 0.88rem;
  font-weight: 700;
}

.chandi-studio-3d-wrapper .finish-hint {
  margin-left: auto;
  font-size: 0.74rem;
  color: var(--studio-dim);
}

/* ==========================================================================
   GEMSTONES & CARAT (STEP 4)
   ========================================================================== */

.chandi-studio-3d-wrapper .gemstone-step-content {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.chandi-studio-3d-wrapper .gem-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.chandi-studio-3d-wrapper .gem-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 0.95rem;
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  cursor: pointer;
  transition: all 0.22s var(--studio-transition);
  text-align: left;
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .gem-card:hover {
  border-color: var(--studio-gold);
  transform: translateY(-2px);
}

.chandi-studio-3d-wrapper .gem-card.is-active {
  border-color: var(--studio-gold);
  background: var(--studio-card);
  box-shadow: 0 0 0 1px var(--studio-gold), 0 6px 18px var(--studio-gold-glow);
}

.chandi-studio-3d-wrapper .gem-badge-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.chandi-studio-3d-wrapper .gem-badge-icon.gem-diamond {
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #d4e4f7 50%, #9cb8dd 100%);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.chandi-studio-3d-wrapper .gem-badge-icon.gem-sapphire {
  background: radial-gradient(circle at 35% 35%, #4679f7 0%, #163cb8 55%, #081a5a 100%);
}

.chandi-studio-3d-wrapper .gem-badge-icon.gem-ruby {
  background: radial-gradient(circle at 35% 35%, #ff4d6d 0%, #c9184a 55%, #590d22 100%);
}

.chandi-studio-3d-wrapper .gem-badge-icon.gem-emerald {
  background: radial-gradient(circle at 35% 35%, #38b000 0%, #007200 55%, #004b23 100%);
}

.chandi-studio-3d-wrapper .gem-meta {
  display: flex;
  flex-direction: column;
}

.chandi-studio-3d-wrapper .gem-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--studio-text);
  line-height: 1.25;
}

.chandi-studio-3d-wrapper .gem-desc {
  font-size: 0.72rem;
  color: var(--studio-dim);
}

.chandi-studio-3d-wrapper .carat-and-cut-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1.5rem;
}

.chandi-studio-3d-wrapper .carat-chips-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.chandi-studio-3d-wrapper .chip-carat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 0.5rem;
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  cursor: pointer;
  transition: all 0.2s var(--studio-transition);
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .chip-carat:hover {
  border-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .chip-carat.is-active {
  border-color: var(--studio-gold);
  background: var(--studio-card);
  box-shadow: 0 0 0 1px var(--studio-gold);
}

.chandi-studio-3d-wrapper .carat-val {
  font-size: 0.95rem;
  font-weight: 700;
}

.chandi-studio-3d-wrapper .carat-sub {
  font-size: 0.68rem;
  color: var(--studio-dim);
}

.chandi-studio-3d-wrapper .cut-chips-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.chandi-studio-3d-wrapper .chip-cut {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 0.5rem;
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  cursor: pointer;
  transition: all 0.2s var(--studio-transition);
  color: var(--studio-text);
  font-size: 0.78rem;
  font-weight: 600;
}

.chandi-studio-3d-wrapper .chip-cut:hover {
  border-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .chip-cut.is-active {
  border-color: var(--studio-gold);
  background: var(--studio-card);
  box-shadow: 0 0 0 1px var(--studio-gold);
}

.chandi-studio-3d-wrapper .cut-icon {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

/* ==========================================================================
   SIZE, ENGRAVING & SUMMARY (STEP 5)
   ========================================================================== */

.chandi-studio-3d-wrapper .step5-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2rem;
  align-items: start;
}

.chandi-studio-3d-wrapper .step5-form-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.chandi-studio-3d-wrapper .form-group-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.chandi-studio-3d-wrapper .group-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chandi-studio-3d-wrapper .resizing-badge {
  font-size: 0.7rem;
  color: var(--studio-gold);
  font-weight: 600;
}

.chandi-studio-3d-wrapper .size-chips-wrap {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.65rem;
}

.chandi-studio-3d-wrapper .chip-size {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 0.35rem;
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  cursor: pointer;
  transition: all 0.2s var(--studio-transition);
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .chip-size:hover {
  border-color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .chip-size.is-active {
  border-color: var(--studio-gold);
  background: var(--studio-card);
  box-shadow: 0 0 0 1px var(--studio-gold);
}

.chandi-studio-3d-wrapper .size-main {
  font-size: 0.9rem;
  font-weight: 700;
}

.chandi-studio-3d-wrapper .size-sub {
  font-size: 0.68rem;
  color: var(--studio-dim);
}

.chandi-studio-3d-wrapper .engraving-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.chandi-studio-3d-wrapper .engraving-input {
  width: 100%;
  padding: 0.85rem 1rem;
  padding-right: 5.5rem;
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  color: var(--studio-text);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s var(--studio-transition);
}

.chandi-studio-3d-wrapper .engraving-input:focus {
  border-color: var(--studio-gold);
  box-shadow: 0 0 0 1px var(--studio-gold);
}

.chandi-studio-3d-wrapper .engraving-limit-hint {
  position: absolute;
  right: 0.85rem;
  font-size: 0.72rem;
  color: var(--studio-faint);
  pointer-events: none;
}

.chandi-studio-3d-wrapper .input-helper-text {
  margin: 0;
  font-size: 0.74rem;
  color: var(--studio-dim);
}

.chandi-studio-3d-wrapper .atelier-inclusions-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--studio-bg);
  border-radius: var(--studio-radius-sm);
  border: 1px dashed var(--studio-gold-line);
}

.chandi-studio-3d-wrapper .inclusion-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .inclusion-check {
  color: var(--studio-gold);
  font-weight: bold;
}

/* Dossier Card (Right Column) */
.chandi-studio-3d-wrapper .commission-dossier-card {
  background: var(--studio-bg);
  border: 1.5px solid var(--studio-gold-line);
  border-radius: var(--studio-radius);
  padding: 1.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.chandi-studio-3d-wrapper .dossier-header {
  border-bottom: 1px solid var(--studio-line);
  padding-bottom: 0.85rem;
  margin-bottom: 1rem;
}

.chandi-studio-3d-wrapper .dossier-kicker {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--studio-gold);
  margin-bottom: 0.25rem;
}

.chandi-studio-3d-wrapper .dossier-title {
  margin: 0;
  font-family: var(--studio-font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .dossier-table {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.chandi-studio-3d-wrapper .dossier-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--studio-line);
  font-size: 0.84rem;
}

.chandi-studio-3d-wrapper .dossier-label {
  color: var(--studio-dim);
}

.chandi-studio-3d-wrapper .dossier-val {
  font-weight: 600;
  color: var(--studio-text);
  text-align: right;
}

.chandi-studio-3d-wrapper .dossier-total-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--studio-card);
  border-radius: var(--studio-radius-sm);
  border: 1px solid var(--studio-gold-line);
  margin-bottom: 1.25rem;
}

.chandi-studio-3d-wrapper .total-meta {
  display: flex;
  flex-direction: column;
}

.chandi-studio-3d-wrapper .total-label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .total-note {
  font-size: 0.7rem;
  color: var(--studio-dim);
}

.chandi-studio-3d-wrapper .total-price-num {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .dossier-actions-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.chandi-studio-3d-wrapper .btn-order-wa {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.95rem 1.25rem;
  background: #25d366;
  color: #ffffff;
  border: none;
  border-radius: var(--studio-radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.22s var(--studio-transition);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.chandi-studio-3d-wrapper .btn-order-wa:hover {
  background: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.4);
}

.chandi-studio-3d-wrapper .btn-share {
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: 1.5px solid var(--studio-line);
  border-radius: var(--studio-radius-sm);
  color: var(--studio-text);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s var(--studio-transition);
}

.chandi-studio-3d-wrapper .btn-share:hover {
  border-color: var(--studio-gold);
  color: var(--studio-gold);
}

/* ==========================================================================
   3. BOTTOM STEPPER NAVIGATION BAR (STICKY)
   ========================================================================== */

.chandi-studio-3d-wrapper .studio-stepper-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.75rem;
  background: var(--studio-raised);
  border-top: 1px solid var(--studio-line);
}

.chandi-studio-3d-wrapper .btn-stepper-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.22s var(--studio-transition);
}

.chandi-studio-3d-wrapper .btn-stepper-nav.btn-prev {
  background: transparent;
  border: 1.5px solid var(--studio-line);
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .btn-stepper-nav.btn-prev:hover {
  border-color: var(--studio-gold);
  color: var(--studio-gold);
}

.chandi-studio-3d-wrapper .btn-stepper-nav.btn-next,
.chandi-studio-3d-wrapper .btn-stepper-nav.btn-final-order {
  background: var(--studio-gold);
  border: 1.5px solid var(--studio-gold);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--studio-gold-glow);
}

html[data-theme='dark'] .chandi-studio-3d-wrapper .btn-stepper-nav.btn-next,
html[data-theme='dark'] .chandi-studio-3d-wrapper .btn-stepper-nav.btn-final-order {
  color: #0B0C0F;
}

.chandi-studio-3d-wrapper .btn-stepper-nav.btn-final-order {
  background: #25d366;
  border-color: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.chandi-studio-3d-wrapper .btn-stepper-nav.btn-next:hover,
.chandi-studio-3d-wrapper .btn-stepper-nav.btn-final-order:hover {
  transform: translateY(-2px);
}

.chandi-studio-3d-wrapper .stepper-footer-middle {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.chandi-studio-3d-wrapper .footer-step-indicator {
  font-size: 0.86rem;
  color: var(--studio-dim);
}

.chandi-studio-3d-wrapper .footer-step-indicator strong {
  color: var(--studio-text);
}

.chandi-studio-3d-wrapper .footer-dot-sep {
  color: var(--studio-faint);
}

.chandi-studio-3d-wrapper .footer-price-badge {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--studio-gold);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

.chandi-studio-3d-wrapper .studio-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--studio-text);
  color: var(--studio-bg);
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s var(--studio-transition);
  z-index: 99999;
}

.chandi-studio-3d-wrapper .studio-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
  .chandi-studio-3d-wrapper .setting-cards-grid,
  .chandi-studio-3d-wrapper .band-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chandi-studio-3d-wrapper .metal-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .chandi-studio-3d-wrapper .carat-and-cut-grid {
    grid-template-columns: 1fr;
  }

  .chandi-studio-3d-wrapper .step5-layout-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .chandi-studio-3d-wrapper {
    padding: 0.75rem 0.5rem 3rem;
  }

  .chandi-studio-3d-wrapper .viewport.stage-fullwidth {
    height: 380px;
    border-radius: 12px;
  }

  .chandi-studio-3d-wrapper .stage-top-bar {
    top: 0.65rem;
    left: 0.65rem;
    right: 0.65rem;
  }

  .chandi-studio-3d-wrapper .stage-camera-chips {
    overflow-x: auto;
    max-width: calc(100% - 150px);
    flex-wrap: nowrap;
    scrollbar-width: none;
  }

  .chandi-studio-3d-wrapper .stage-bottom-hud {
    bottom: 1.5rem;
    left: 0.75rem;
    right: 0.75rem;
    gap: 0.5rem;
  }

  .chandi-studio-3d-wrapper .stage-ring-info {
    max-width: 65%;
    padding: 0.5rem 0.75rem;
  }

  .chandi-studio-3d-wrapper .stage-ring-title {
    font-size: 1rem;
  }

  .chandi-studio-3d-wrapper .stage-price-pill {
    padding: 0.5rem 0.75rem;
  }

  .chandi-studio-3d-wrapper .stage-price-num {
    font-size: 1.15rem;
  }

  .chandi-studio-3d-wrapper .stepper-progress-nav {
    justify-content: flex-start;
  }

  .chandi-studio-3d-wrapper .stepper-tab {
    min-width: 120px;
    padding: 0.85rem 0.65rem;
    gap: 0.5rem;
  }

  .chandi-studio-3d-wrapper .stepper-step-sub {
    display: none;
  }

  .chandi-studio-3d-wrapper .stepper-panels-wrap {
    padding: 1.5rem 1rem 2rem;
  }

  .chandi-studio-3d-wrapper .panel-heading {
    font-size: 1.35rem;
  }

  .chandi-studio-3d-wrapper .metal-cards-grid,
  .chandi-studio-3d-wrapper .gem-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chandi-studio-3d-wrapper .cut-chips-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .chandi-studio-3d-wrapper .size-chips-wrap {
    grid-template-columns: repeat(3, 1fr);
  }

  .chandi-studio-3d-wrapper .studio-stepper-footer {
    padding: 1rem;
  }
}