/**
 * Ring Builder — Default Theme (Light Variant).
 *
 * Extracted from ring-builder-white.html reference.
 * All styles scoped under .ns-rb-default-wrapper to avoid WP conflicts.
 *
 * @package    NivoSync
 * @subpackage Themes/Default/RingBuilder
 * @since      3.1.0
 */

/* ═══════════════════════════════════════════
   CSS VARIABLES — DESIGN TOKENS (Light)
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper {
  --white-pure: #ffffff;
  --white-warm: #faf9f7;
  --cream: #f5f3ef;
  --sand: #edeae4;
  --dove: #d8d4cc;
  --stone: #b5b0a5;
  --warm-grey: #8a857a;
  --charcoal: #5a564e;
  --espresso: #3a3630;
  --ink: #1a1816;
  --gold: #a0854a;
  --gold-rich: #8b7240;
  --gold-light: #c4a96a;
  --gold-wash: rgba(160, 133, 74, 0.08);
  --gold-wash-strong: rgba(160, 133, 74, 0.14);
  --rose-accent: #c47a6e;
  --blue-accent: #6e8fa0;
  /* Alias for dark variant SVG compatibility */
  --pearl: #5a564e;
  --white: #f0f0f5;
  --mist: #8a857a;
  --silver: #b5b0a5;
  --slate: #d8d4cc;
  --graphite: #edeae4;
  --void: #faf9f7;
  --obsidian: #f5f3ef;
  --carbon: #f5f3ef;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-mid: 400ms;
  --duration-slow: 800ms;
  --duration-glacial: 1200ms;

  --header-h: 64px;
  --preview-w: 380px;
  --shadow-sm: 0 1px 3px rgba(26,24,22,0.04), 0 1px 2px rgba(26,24,22,0.02);
  --shadow-md: 0 4px 16px rgba(26,24,22,0.06), 0 1px 4px rgba(26,24,22,0.04);
  --shadow-lg: 0 12px 40px rgba(26,24,22,0.08), 0 4px 12px rgba(26,24,22,0.04);
  --shadow-xl: 0 24px 64px rgba(26,24,22,0.1), 0 8px 24px rgba(26,24,22,0.05);
}

/* ═══════════════════════════════════════════
   BASE STYLES (scoped to wrapper)
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper {
  font-family: var(--font-body);
  background: var(--white-warm);
  color: var(--espresso);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
}

.ns-rb-default-wrapper *,
.ns-rb-default-wrapper *::before,
.ns-rb-default-wrapper *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.ns-rb-default-wrapper button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.ns-rb-default-wrapper a {
  color: inherit;
  text-decoration: none;
}

.ns-rb-default-wrapper::-webkit-scrollbar { width: 5px; }
.ns-rb-default-wrapper::-webkit-scrollbar-track { background: transparent; }
.ns-rb-default-wrapper::-webkit-scrollbar-thumb { background: var(--dove); border-radius: 3px; }
.ns-rb-default-wrapper::-webkit-scrollbar-thumb:hover { background: var(--stone); }

.ns-rb-default-wrapper::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.018'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* Hide the shared Ring Builder stepper — Default theme has its own built-in stepper */
.ns-rb-stepper { display: none !important; }

/* ═══════════════════════════════════════════
   HEADER — STEPPER (brand text removed)
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .atelier-header {
  position: relative;
  height: var(--header-h);
  background: rgba(250, 249, 247, 0.88);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid rgba(26,24,22,0.06);
  z-index: 100;
  display: flex; align-items: center;
  padding: 0 var(--sp-10);
}

.ns-rb-default-wrapper .stepper {
  flex: 1; display: flex; align-items: center;
  justify-content: center; gap: var(--sp-2); position: relative;
}

.ns-rb-default-wrapper .stepper-node {
  position: relative; display: flex; align-items: center;
  gap: var(--sp-3); padding: var(--sp-2) var(--sp-5);
  border-radius: 100px; transition: all var(--duration-mid) var(--ease-out-expo);
  cursor: pointer;
}

.ns-rb-default-wrapper .stepper-node::before {
  content: ''; position: absolute; inset: 0;
  border-radius: 100px; border: 1.5px solid transparent;
  transition: all var(--duration-mid) var(--ease-out-expo);
}

.ns-rb-default-wrapper .stepper-node:hover::before { border-color: var(--dove); }
.ns-rb-default-wrapper .stepper-node.active::before { border-color: var(--gold); }
.ns-rb-default-wrapper .stepper-node.active { background: var(--gold-wash); }

.ns-rb-default-wrapper .stepper-index {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 11px;
  background: var(--sand); color: var(--stone);
  transition: all var(--duration-mid) var(--ease-out-expo); flex-shrink: 0;
}

.ns-rb-default-wrapper .stepper-node.active .stepper-index { background: var(--gold); color: var(--white-pure); }
.ns-rb-default-wrapper .stepper-node.completed .stepper-index { background: var(--gold-wash-strong); color: var(--gold-rich); }

.ns-rb-default-wrapper .stepper-label {
  font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--stone);
  transition: color var(--duration-mid) var(--ease-out-expo);
  white-space: nowrap; font-weight: 500;
}

.ns-rb-default-wrapper .stepper-node.active .stepper-label { color: var(--ink); }
.ns-rb-default-wrapper .stepper-node.completed .stepper-label { color: var(--gold); }

.ns-rb-default-wrapper .stepper-connector {
  width: 40px; height: 1.5px; background: var(--dove);
  position: relative; overflow: hidden; border-radius: 1px;
}

.ns-rb-default-wrapper .stepper-connector::after {
  content: ''; position: absolute; top: 0; left: 0;
  height: 100%; width: 0%; background: var(--gold);
  transition: width var(--duration-slow) var(--ease-out-expo);
}

.ns-rb-default-wrapper .stepper-connector.filled::after { width: 100%; }

.ns-rb-default-wrapper .header-summary { display: flex; align-items: center; gap: var(--sp-4); margin-left: auto; }

.ns-rb-default-wrapper .summary-pill {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3); background: var(--cream);
  border-radius: 100px; font-size: 11px; color: var(--warm-grey);
  border: 1px solid rgba(26,24,22,0.04); font-weight: 400;
}

.ns-rb-default-wrapper .summary-pill .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); transition: all var(--duration-fast) ease;
}

.ns-rb-default-wrapper .summary-pill.empty .dot { background: var(--dove); }

.ns-rb-default-wrapper .summary-pill.viewing {
  border-color: var(--gold); background: var(--gold-wash);
}
.ns-rb-default-wrapper .summary-pill.viewing .dot { background: var(--gold); }

/* ═══════════════════════════════════════════
   MAIN LAYOUT
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .ring-builder { display: block; min-height: 100vh; }
.ns-rb-default-wrapper .builder-layout { display: grid; grid-template-columns: 1fr var(--preview-w); min-height: 100vh; }
.ns-rb-default-wrapper .explorer-area { padding-top: var(--sp-4); }

/* ═══════════════════════════════════════════
   DIAMOND EXPLORER
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .diamond-explorer { padding: var(--sp-10); position: relative; }

.ns-rb-default-wrapper .section-eyebrow {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.35em;
  text-transform: uppercase; color: var(--gold); margin-bottom: var(--sp-2); font-weight: 500;
}

.ns-rb-default-wrapper .section-title {
  font-family: var(--font-display); font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 300; color: var(--ink); margin-bottom: var(--sp-2); line-height: 1.15;
}

.ns-rb-default-wrapper .section-title em { font-style: italic; color: var(--gold); font-weight: 400; }

.ns-rb-default-wrapper .section-count {
  font-family: var(--font-mono); font-size: 11px; color: var(--stone); margin-bottom: var(--sp-10);
}

.ns-rb-default-wrapper .section-count strong { color: var(--ink); font-weight: 500; }

/* ═══════════════════════════════════════════
   FILTERS
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .filters-bar {
  display: flex; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-8);
  padding-bottom: var(--sp-6); border-bottom: 1px solid var(--sand);
}

/* Overflow filters (catalog-only: hidden behind "Show More") */
.ns-rb-default-wrapper .filters-overflow {
  display: none; /* toggled by JS */
  flex-basis: 100%; /* force to new row */
  gap: var(--sp-3);
}
.ns-rb-default-wrapper .filters-overflow.open {
  display: flex; flex-wrap: wrap;
}
.ns-rb-default-wrapper button.filters-show-more {
  display: flex; align-items: center; gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-body); font-size: 12px; font-weight: 500;
  color: var(--gold); background: transparent; border: 1.5px solid var(--sand);
  border-radius: 999px; cursor: pointer; transition: all var(--duration-fast) ease;
  white-space: nowrap; outline: none; box-shadow: none;
  line-height: 1.4; text-decoration: none;
}
.ns-rb-default-wrapper button.filters-show-more:hover,
.ns-rb-default-wrapper button.filters-show-more:focus {
  border-color: var(--gold); background: var(--gold-tint);
  color: var(--gold); box-shadow: none; outline: none;
}
.ns-rb-default-wrapper button.filters-show-more.expanded svg {
  transform: rotate(180deg);
}

.ns-rb-default-wrapper .filter-group { position: relative; }

.ns-rb-default-wrapper .filter-trigger {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4); border: 1.5px solid var(--sand);
  border-radius: 100px; font-size: 12px; color: var(--charcoal);
  letter-spacing: 0.04em; transition: all var(--duration-fast) ease;
  white-space: nowrap; font-weight: 400; background: var(--white-pure);
}

.ns-rb-default-wrapper .filter-trigger:hover { border-color: var(--gold-light); color: var(--ink); box-shadow: var(--shadow-sm); }
.ns-rb-default-wrapper .filter-trigger.has-value { border-color: var(--gold); color: var(--gold-rich); background: var(--gold-wash); }
.ns-rb-default-wrapper .filter-trigger svg { width: 14px; height: 14px; opacity: 0.45; }

.ns-rb-default-wrapper .filter-panel {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 310px; background: var(--white-pure);
  border: 1.5px solid var(--sand); border-radius: 20px;
  padding: var(--sp-6); z-index: 50; opacity: 0;
  visibility: hidden; transform: translateY(-8px);
  transition: all var(--duration-mid) var(--ease-out-expo);
  box-shadow: var(--shadow-xl);
}

.ns-rb-default-wrapper .filter-group.open .filter-panel { opacity: 1; visibility: visible; transform: translateY(0); }

.ns-rb-default-wrapper .filter-panel-title {
  font-family: var(--font-display); font-size: 18px; color: var(--ink);
  margin-bottom: var(--sp-1); font-weight: 400;
}

.ns-rb-default-wrapper .filter-panel-sub {
  font-size: 11px; color: var(--stone); margin-bottom: var(--sp-5); font-weight: 300;
}

/* Cut Filter */
.ns-rb-default-wrapper .cut-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-2); }

.ns-rb-default-wrapper .cut-option {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--sp-2); padding: var(--sp-3) var(--sp-2);
  border: 1.5px solid var(--sand); border-radius: 14px;
  cursor: pointer; transition: all var(--duration-fast) ease; background: var(--white-pure);
}

.ns-rb-default-wrapper .cut-option:hover { border-color: var(--gold-light); background: var(--gold-wash); }
.ns-rb-default-wrapper .cut-option.selected { border-color: var(--gold); background: var(--gold-wash); }
.ns-rb-default-wrapper .cut-option svg,
.ns-rb-default-wrapper .cut-option .ns-shape-svg { width: 28px; height: 28px; stroke: var(--stone); fill: none; stroke-width: 1.2; transition: stroke var(--duration-fast) ease; }
.ns-rb-default-wrapper .cut-option.selected svg,
.ns-rb-default-wrapper .cut-option.selected .ns-shape-svg { stroke: var(--gold-rich); }
.ns-rb-default-wrapper .cut-option span { font-size: 10px; color: var(--warm-grey); letter-spacing: 0.04em; }
.ns-rb-default-wrapper .cut-option.selected span { color: var(--gold-rich); font-weight: 500; }

/* Color Filter */
.ns-rb-default-wrapper .color-spectrum {
  position: relative; height: 42px; border-radius: 10px;
  background: linear-gradient(to right, #ffffff, #fefcf5, #faf3e0, #f2e6c4, #e6d5a0, #d4c080);
  margin-bottom: var(--sp-3); cursor: pointer; overflow: hidden; border: 1px solid var(--sand);
}

.ns-rb-default-wrapper .color-labels {
  display: flex; justify-content: space-between; font-size: 10px;
  color: var(--stone); font-family: var(--font-mono); font-weight: 500;
}

.ns-rb-default-wrapper .color-handle {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 4px; height: 34px; background: var(--gold-rich); border-radius: 2px;
  box-shadow: 0 0 8px rgba(160,133,74,0.3);
}

/* Color Pills */
.ns-rb-default-wrapper .color-pills {
  display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: var(--sp-3);
}
.ns-rb-default-wrapper .color-pill {
  display: flex; align-items: center; justify-content: center;
  min-width: 36px; height: 34px; padding: 0 var(--sp-3);
  border: 1.5px solid var(--sand); border-radius: 10px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  color: var(--stone); background: var(--white-pure);
  cursor: pointer; transition: all var(--duration-fast) ease;
}
.ns-rb-default-wrapper .color-pill:hover:not(:disabled) { border-color: var(--gold-light); background: var(--gold-wash); color: var(--charcoal); }
.ns-rb-default-wrapper .color-pill.active { border-color: var(--gold); background: var(--gold-wash); color: var(--gold-rich); }
.ns-rb-default-wrapper .color-pill:disabled { opacity: 0.35; cursor: not-allowed; }

/* Clarity Filter */
.ns-rb-default-wrapper .clarity-scale { display: flex; gap: 2px; margin-bottom: var(--sp-3); }

.ns-rb-default-wrapper .clarity-step {
  flex: 1; height: 38px; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 10px; color: var(--stone);
  border: 1.5px solid var(--sand); cursor: pointer;
  transition: all var(--duration-fast) ease; background: var(--white-pure); font-weight: 500;
}

.ns-rb-default-wrapper .clarity-step:first-child { border-radius: 10px 0 0 10px; }
.ns-rb-default-wrapper .clarity-step:last-child { border-radius: 0 10px 10px 0; }
.ns-rb-default-wrapper .clarity-step:hover { background: var(--cream); color: var(--charcoal); }
.ns-rb-default-wrapper .clarity-step.active { background: var(--gold-wash); border-color: var(--gold-light); color: var(--gold-rich); }

/* Generic Filter Pills (cut, lab, polish, symmetry, fluorescence) */
.ns-rb-default-wrapper .filter-pills {
  display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: var(--sp-3);
}
.ns-rb-default-wrapper .filter-pill {
  display: flex; align-items: center; justify-content: center;
  min-width: 36px; height: 34px; padding: 0 var(--sp-3);
  border: 1.5px solid var(--sand); border-radius: 10px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  color: var(--stone); background: var(--white-pure);
  cursor: pointer; transition: all var(--duration-fast) ease;
}
.ns-rb-default-wrapper .filter-pill:hover { border-color: var(--gold-light); background: var(--gold-wash); color: var(--charcoal); }
.ns-rb-default-wrapper .filter-pill.active { border-color: var(--gold); background: var(--gold-wash); color: var(--gold-rich); }

/* Carat Filter */
.ns-rb-default-wrapper .carat-range { position: relative; padding: var(--sp-4) 0; }
.ns-rb-default-wrapper .carat-track { height: 4px; background: var(--sand); border-radius: 2px; position: relative; }
.ns-rb-default-wrapper .carat-fill { position: absolute; height: 100%; background: linear-gradient(to right, var(--gold-light), var(--gold)); border-radius: 2px; left: 0%; width: 100%; }

.ns-rb-default-wrapper .carat-thumb {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--white-pure); border: 2.5px solid var(--gold);
  cursor: grab; box-shadow: 0 2px 8px rgba(160,133,74,0.25);
  transition: transform var(--duration-fast) var(--ease-spring);
}

.ns-rb-default-wrapper .carat-thumb:hover { transform: translate(-50%, -50%) scale(1.2); }
.ns-rb-default-wrapper .carat-thumb.left { left: 0%; }
.ns-rb-default-wrapper .carat-thumb.right { left: 100%; }

.ns-rb-default-wrapper .carat-values {
  display: flex; justify-content: space-between; margin-top: var(--sp-3);
  font-family: var(--font-mono); font-size: 12px; color: var(--charcoal); font-weight: 500;
}

/* Price Range Slider */
.ns-rb-default-wrapper .price-range { position: relative; padding: var(--sp-4) 0; }
.ns-rb-default-wrapper .price-track { height: 4px; background: var(--sand); border-radius: 2px; position: relative; }
.ns-rb-default-wrapper .price-fill { position: absolute; height: 100%; background: linear-gradient(to right, var(--gold-light), var(--gold)); border-radius: 2px; left: 0%; width: 100%; }

.ns-rb-default-wrapper .price-thumb {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--white-pure); border: 2.5px solid var(--gold);
  cursor: grab; box-shadow: 0 2px 8px rgba(160,133,74,0.25);
  transition: transform var(--duration-fast) var(--ease-spring);
}

.ns-rb-default-wrapper .price-thumb:hover { transform: translate(-50%, -50%) scale(1.2); }
.ns-rb-default-wrapper .price-thumb.left { left: 0%; }
.ns-rb-default-wrapper .price-thumb.right { left: 100%; }

.ns-rb-default-wrapper .price-values {
  display: flex; justify-content: space-between; margin-top: var(--sp-3);
  font-family: var(--font-mono); font-size: 12px; color: var(--charcoal); font-weight: 500;
}

/* Generic Range Slider (depth, table, length, width) */
.ns-rb-default-wrapper .ns-range-slider { position: relative; padding: var(--sp-4) 0; }
.ns-rb-default-wrapper .ns-range-track { height: 4px; background: var(--sand); border-radius: 2px; position: relative; }
.ns-rb-default-wrapper .ns-range-fill { position: absolute; height: 100%; background: linear-gradient(to right, var(--gold-light), var(--gold)); border-radius: 2px; left: 0%; width: 100%; }

.ns-rb-default-wrapper .ns-range-thumb {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--white-pure); border: 2.5px solid var(--gold);
  cursor: grab; box-shadow: 0 2px 8px rgba(160,133,74,0.25);
  transition: transform var(--duration-fast) var(--ease-spring);
}

.ns-rb-default-wrapper .ns-range-thumb:hover { transform: translate(-50%, -50%) scale(1.2); }
.ns-rb-default-wrapper .ns-range-thumb.left { left: 0%; }
.ns-rb-default-wrapper .ns-range-thumb.right { left: 100%; }

.ns-rb-default-wrapper .ns-range-values {
  display: flex; justify-content: space-between; margin-top: var(--sp-3);
  font-family: var(--font-mono); font-size: 12px; color: var(--charcoal); font-weight: 500;
}

/* Sort Toggle & Dropdown */
.ns-rb-default-wrapper .sort-wrapper { position: relative; margin-left: auto; }
.ns-rb-default-wrapper .sort-toggle {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4); border: 1.5px solid var(--sand);
  border-radius: 100px; font-size: 11px; color: var(--warm-grey);
  cursor: pointer; transition: all var(--duration-fast) ease; background: var(--white-pure);
}
.ns-rb-default-wrapper .sort-toggle:hover { border-color: var(--dove); color: var(--charcoal); }

.ns-rb-default-wrapper .sort-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 200px; background: var(--white-pure);
  border: 1.5px solid var(--sand); border-radius: 14px;
  padding: var(--sp-2); z-index: 50; opacity: 0;
  visibility: hidden; transform: translateY(-8px);
  transition: all var(--duration-mid) var(--ease-out-expo);
  box-shadow: var(--shadow-xl);
}
.ns-rb-default-wrapper .sort-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }

.ns-rb-default-wrapper .sort-option {
  padding: var(--sp-3) var(--sp-4); border-radius: 10px;
  font-size: 12px; color: var(--charcoal); cursor: pointer;
  transition: background var(--duration-fast) ease;
}
.ns-rb-default-wrapper .sort-option:hover { background: var(--cream); }
.ns-rb-default-wrapper .sort-option.active { background: var(--gold-wash); color: var(--gold-rich); font-weight: 500; }

/* ═══════════════════════════════════════════
   DIAMOND CARDS
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .diamond-canvas {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--sp-5); perspective: 1200px;
}

.ns-rb-default-wrapper .diamond-card {
  position: relative; border-radius: 22px; border: 1.5px solid var(--sand);
  background: var(--white-pure); padding: var(--sp-5); cursor: pointer;
  transition: all var(--duration-mid) var(--ease-out-expo);
  animation: nsRbCardFloat var(--duration-glacial) var(--ease-out-expo) both;
}

.ns-rb-default-wrapper .diamond-card:nth-child(1){animation-delay:0ms}
.ns-rb-default-wrapper .diamond-card:nth-child(2){animation-delay:60ms}
.ns-rb-default-wrapper .diamond-card:nth-child(3){animation-delay:120ms}
.ns-rb-default-wrapper .diamond-card:nth-child(4){animation-delay:180ms}
.ns-rb-default-wrapper .diamond-card:nth-child(5){animation-delay:240ms}
.ns-rb-default-wrapper .diamond-card:nth-child(6){animation-delay:300ms}

@keyframes nsRbCardFloat { from{opacity:0;transform:translateY(30px) rotateX(6deg)} to{opacity:1;transform:translateY(0) rotateX(0)} }

.ns-rb-default-wrapper .diamond-card:hover { border-color: var(--gold-light); transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.ns-rb-default-wrapper .diamond-card.is-selected { border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold-wash-strong), var(--shadow-lg); }

.ns-rb-default-wrapper .diamond-visual {
  position: relative; width: 100%; aspect-ratio: 1; margin-bottom: var(--sp-4);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  border-radius: 16px; background: linear-gradient(145deg, var(--cream) 0%, var(--white-warm) 50%, var(--sand) 100%);
}

.ns-rb-default-wrapper .diamond-render { width: 100%; height: 100%; }

.ns-rb-default-wrapper .diamond-shape { width: 100%; height: 100%; }

.ns-rb-default-wrapper .diamond-360-hint {
  position: absolute; bottom: var(--sp-2); right: var(--sp-2);
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.1em;
  color: var(--warm-grey); background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px); padding: 3px 8px; border-radius: 6px;
  opacity: 0; transition: opacity var(--duration-fast) ease; font-weight: 500;
}

.ns-rb-default-wrapper .diamond-card:hover .diamond-360-hint { opacity: 1; }

.ns-rb-default-wrapper .diamond-gia {
  position: absolute; top: var(--sp-3); left: var(--sp-3); z-index: 2;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.15em;
  color: var(--gold-rich); background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px); padding: 3px 8px; border-radius: 6px;
  border: 1px solid var(--gold-wash-strong); text-transform: uppercase; font-weight: 500;
}

.ns-rb-default-wrapper .diamond-meta { display: flex; flex-direction: column; gap: var(--sp-1); }
.ns-rb-default-wrapper .diamond-headline { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-2); }
.ns-rb-default-wrapper .diamond-carat { font-family: var(--font-display); font-size: 22px; color: var(--ink); font-weight: 400; }
.ns-rb-default-wrapper .diamond-carat span { font-size: 13px; color: var(--stone); font-family: var(--font-body); font-weight: 300; }
.ns-rb-default-wrapper .diamond-price { font-family: var(--font-mono); font-size: 14px; color: var(--gold-rich); font-weight: 500; }
.ns-rb-default-wrapper .diamond-from { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 400; color: var(--warm-grey); }
.ns-rb-default-wrapper .diamond-specs { display: flex; gap: var(--sp-3); margin-top: var(--sp-2); }
.ns-rb-default-wrapper .diamond-spec { font-size: 11px; color: var(--stone); display: flex; align-items: center; gap: 4px; }
.ns-rb-default-wrapper .diamond-spec-val { color: var(--charcoal); font-weight: 500; }

.ns-rb-default-wrapper .diamond-select-btn {
  width: 100%; margin-top: var(--sp-4); padding: var(--sp-3) 0;
  border: 1.5px solid var(--gold-light); border-radius: 12px;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold-rich); font-weight: 500; transition: all var(--duration-fast) ease;
}

.ns-rb-default-wrapper .diamond-select-btn:hover { background: var(--gold); color: var(--white-pure); border-color: var(--gold); }

/* ═══════════════════════════════════════════
   LOAD MORE
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .load-more-wrap {
  display: flex; justify-content: center; padding: var(--sp-10) 0 var(--sp-6);
}

.ns-rb-default-wrapper .btn-load-more {
  padding: var(--sp-3) var(--sp-10); border: 1.5px solid var(--gold-light);
  border-radius: 100px; font-family: var(--font-body); font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-rich);
  font-weight: 500; cursor: pointer; transition: all var(--duration-fast) ease;
  background: transparent;
}

.ns-rb-default-wrapper .btn-load-more:hover {
  background: var(--gold); color: var(--white-pure); border-color: var(--gold);
  box-shadow: 0 6px 24px rgba(160,133,74,0.25); transform: translateY(-2px);
}

/* ═══════════════════════════════════════════
   DETAIL OVERLAY
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .detail-overlay {
  position: fixed; inset: 0; z-index: 200; display: none;
  opacity: 0; transition: opacity var(--duration-mid) ease;
}

.ns-rb-default-wrapper .detail-overlay.active { display: grid; }
.ns-rb-default-wrapper .detail-overlay.visible { opacity: 1; }

.ns-rb-default-wrapper .detail-backdrop {
  position: absolute; inset: 0; background: rgba(250,249,247,0.94);
  backdrop-filter: blur(40px); -webkit-backdrop-filter: blur(40px);
}

.ns-rb-default-wrapper .detail-content {
  position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr;
  min-height: 100vh; max-width: 1200px; margin: 0 auto;
  padding: var(--sp-20) var(--sp-10); gap: var(--sp-16); align-items: center;
}

.ns-rb-default-wrapper .detail-close {
  position: fixed; top: var(--sp-6); right: var(--sp-8);
  width: 44px; height: 44px; border-radius: 50%;
  border: 1.5px solid var(--sand); display: flex; align-items: center;
  justify-content: center; color: var(--charcoal); font-size: 18px;
  z-index: 10; transition: all var(--duration-fast) ease; background: var(--white-pure);
}

.ns-rb-default-wrapper .detail-close:hover { border-color: var(--gold); color: var(--gold-rich); box-shadow: var(--shadow-md); }

.ns-rb-default-wrapper .detail-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1; background: radial-gradient(circle at 50% 45%, var(--cream) 0%, var(--white-warm) 60%);
  border-radius: 32px;
}

.ns-rb-default-wrapper .detail-diamond-render { width: 60%; animation: nsRbDiamondSpin 25s linear infinite; }
.ns-rb-default-wrapper .detail-media { width: 100%; height: 100%; object-fit: contain; border-radius: 24px; position: relative; z-index: 1; }

.ns-rb-default-wrapper .detail-visual .ns-360-viewer-container {
  position: absolute; inset: 0; width: 100%; height: 100%;
  border-radius: 24px; overflow: hidden; z-index: 1;
  background: radial-gradient(circle at 50% 45%, var(--cream) 0%, var(--white-warm) 60%);
}
@keyframes nsRbDiamondSpin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }

.ns-rb-default-wrapper .detail-ring-light {
  position: absolute; width: 80%; height: 80%; border-radius: 50%;
  border: 1px solid rgba(160,133,74,0.1); animation: nsRbRingPulse 5s ease-in-out infinite;
}

@keyframes nsRbRingPulse { 0%,100%{transform:scale(0.95);opacity:0.3} 50%{transform:scale(1.05);opacity:0.7} }

.ns-rb-default-wrapper .detail-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.4em;
  text-transform: uppercase; color: var(--gold); margin-bottom: var(--sp-3); font-weight: 500;
}

.ns-rb-default-wrapper .detail-name {
  font-family: var(--font-display); font-size: clamp(32px, 4vw, 50px);
  font-weight: 300; color: var(--ink); line-height: 1.1; margin-bottom: var(--sp-2);
}

.ns-rb-default-wrapper .detail-price-tag {
  font-family: var(--font-mono); font-size: 24px; color: var(--gold-rich);
  margin-bottom: var(--sp-8); font-weight: 500;
}

.ns-rb-default-wrapper .specs-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5px;
  background: var(--sand); border-radius: 18px; overflow: hidden; margin-bottom: var(--sp-8);
}

.ns-rb-default-wrapper .spec-cell {
  background: var(--white-pure); padding: var(--sp-5);
  display: flex; flex-direction: column; gap: var(--sp-1);
}

.ns-rb-default-wrapper .spec-cell-label { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--stone); font-weight: 500; }
.ns-rb-default-wrapper .spec-cell-value { font-family: var(--font-display); font-size: 24px; color: var(--ink); font-weight: 400; }
.ns-rb-default-wrapper .spec-cell-grade { font-family: var(--font-mono); font-size: 10px; color: var(--gold); font-weight: 500; }

.ns-rb-default-wrapper .detail-cta { display: flex; gap: var(--sp-3); }

.ns-rb-default-wrapper .btn-primary {
  flex: 1; padding: var(--sp-4) var(--sp-8); background: var(--gold);
  color: var(--white-pure); border-radius: 14px; font-size: 12px;
  font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  transition: all var(--duration-fast) ease;
}

.ns-rb-default-wrapper .btn-primary:hover { background: var(--gold-rich); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(160,133,74,0.3); }

.ns-rb-default-wrapper .btn-ghost {
  padding: var(--sp-4) var(--sp-6); border: 1.5px solid var(--sand);
  border-radius: 14px; font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--charcoal); transition: all var(--duration-fast) ease; font-weight: 500;
}

.ns-rb-default-wrapper .btn-ghost:hover { border-color: var(--dove); color: var(--ink); }

/* ═══════════════════════════════════════════
   SETTING DETAIL OVERLAY
   ═══════════════════════════════════════════ */

/* Layout override — gallery + info side by side */
.ns-rb-default-wrapper .setting-detail-layout {
  grid-template-columns: 1fr 1fr;
}

/* ── Gallery ── */
.ns-rb-default-wrapper .setting-detail-gallery {
  align-self: center;
}

/* Gallery Main Image */
.ns-rb-default-wrapper .setting-detail-gallery__main {
  aspect-ratio: 1 / 1;
  background: var(--cream);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--sand);
}

.ns-rb-default-wrapper .setting-detail-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Gallery Thumbnails */
.ns-rb-default-wrapper .setting-detail-gallery__thumbs {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  overflow-x: auto;
}

.ns-rb-default-wrapper .setting-detail-gallery__thumb {
  width: 70px;
  height: 70px;
  flex-shrink: 0;
  border-radius: 8px;
  border: 1.5px solid var(--sand);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--duration-fast) ease;
}

.ns-rb-default-wrapper .setting-detail-gallery__thumb:hover {
  border-color: var(--dove);
}

.ns-rb-default-wrapper .setting-detail-gallery__thumb.is-active {
  border-color: var(--gold);
}

.ns-rb-default-wrapper .setting-detail-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Gallery Layout Modes ── */

/* Bottom (default) — thumbs below */
.ns-rb-default-wrapper .setting-detail-gallery--bottom .setting-detail-gallery__thumbs {
  flex-direction: row;
}

/* Left — thumbs on left side */
.ns-rb-default-wrapper .setting-detail-gallery--left {
  display: flex;
  flex-direction: row;
  gap: var(--sp-3);
}

.ns-rb-default-wrapper .setting-detail-gallery--left .setting-detail-gallery__thumbs {
  flex-direction: column;
  order: -1;
  margin-top: 0;
  max-height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
}

.ns-rb-default-wrapper .setting-detail-gallery--left .setting-detail-gallery__main {
  flex: 1;
  min-width: 0;
}

/* Grid — 2x2, no main image */
.ns-rb-default-wrapper .setting-detail-gallery--grid .setting-detail-gallery__main {
  display: none;
}

.ns-rb-default-wrapper .setting-detail-gallery--grid .setting-detail-gallery__thumbs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
}

.ns-rb-default-wrapper .setting-detail-gallery--grid .setting-detail-gallery__thumb {
  width: auto;
  height: auto;
  aspect-ratio: 1 / 1;
  pointer-events: none;
}

/* ── Setting Detail metals ── */
.ns-rb-default-wrapper .setting-detail-metals {
  display: flex;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}

.ns-rb-default-wrapper .setting-detail-metals .metal-dot {
  width: 28px;
  height: 28px;
}

/* ── Setting Detail description ── */
.ns-rb-default-wrapper .setting-detail-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--charcoal);
  margin-bottom: var(--sp-5);
  max-height: 150px;
  overflow-y: auto;
}

/* ── Setting specs — 3 columns ── */
.ns-rb-default-wrapper .setting-detail-specs {
  grid-template-columns: repeat(3, 1fr);
}

.ns-rb-default-wrapper .setting-detail-specs .setting-spec-val {
  font-size: 16px;
}

/* ── Setting Detail Data layout ── */
.ns-rb-default-wrapper .setting-detail-data {
  display: flex;
  flex-direction: column;
}

/* ═══════════════════════════════════════════
   PREVIEW PANEL
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .preview-panel {
  position: sticky; top: var(--header-h); height: calc(100vh - var(--header-h));
  border-left: 1px solid var(--sand); display: flex; flex-direction: column;
  background: var(--white-pure); overflow: hidden;
}

.ns-rb-default-wrapper .preview-header { padding: var(--sp-6) var(--sp-6) var(--sp-4); border-bottom: 1px solid var(--sand); }
.ns-rb-default-wrapper .preview-label { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.4em; text-transform: uppercase; color: var(--gold); margin-bottom: var(--sp-1); font-weight: 500; }
.ns-rb-default-wrapper .preview-title { font-family: var(--font-display); font-size: 20px; color: var(--ink); font-weight: 400; }

.ns-rb-default-wrapper .preview-viewport {
  flex: 1; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  background: radial-gradient(ellipse at 50% 50%, var(--cream) 0%, var(--white-pure) 70%);
}

.ns-rb-default-wrapper .preview-ring-assembly { position: relative; width: 200px; height: 260px; }

.ns-rb-default-wrapper .preview-setting {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 120px; height: 140px; transition: all var(--duration-slow) var(--ease-out-expo);
}

.ns-rb-default-wrapper .preview-diamond {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 80px; height: 80px; transition: all var(--duration-slow) var(--ease-out-expo);
  animation: nsRbPreviewFloat 4s ease-in-out infinite;
}

@keyframes nsRbPreviewFloat { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(-8px)} }

.ns-rb-default-wrapper .preview-placeholder { display: flex; flex-direction: column; align-items: center; gap: var(--sp-3); opacity: 0.35; }
.ns-rb-default-wrapper .preview-placeholder-ring { width: 100px; height: 100px; border: 2px dashed var(--dove); border-radius: 50%; }
.ns-rb-default-wrapper .preview-placeholder-text { font-size: 12px; color: var(--stone); text-align: center; font-weight: 300; }

.ns-rb-default-wrapper .preview-viewport::before {
  content: ''; position: absolute; width: 180px; height: 180px; border-radius: 50%;
  background: radial-gradient(circle, var(--gold-wash) 0%, transparent 65%);
  animation: nsRbPreviewGlow 6s ease-in-out infinite;
}

@keyframes nsRbPreviewGlow { 0%,100%{transform:scale(1);opacity:0.4} 50%{transform:scale(1.25);opacity:0.8} }

.ns-rb-default-wrapper .preview-config {
  padding: var(--sp-5) var(--sp-6); border-top: 1px solid var(--sand);
  display: flex; flex-direction: column; gap: var(--sp-3);
}

.ns-rb-default-wrapper .config-slot {
  display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-3);
  border: 1.5px solid var(--sand); border-radius: 14px;
  transition: all var(--duration-fast) ease; cursor: pointer; background: var(--white-pure);
}

.ns-rb-default-wrapper .config-slot:hover { border-color: var(--dove); box-shadow: var(--shadow-sm); }
.ns-rb-default-wrapper .config-slot.filled { border-color: var(--gold-light); background: var(--gold-wash); }

.ns-rb-default-wrapper .config-slot-icon {
  width: 38px; height: 38px; border-radius: 10px; background: var(--cream);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

.ns-rb-default-wrapper .config-slot-icon svg { width: 18px; height: 18px; stroke: var(--stone); fill: none; stroke-width: 1.2; }
.ns-rb-default-wrapper .config-slot.filled .config-slot-icon { background: var(--gold-wash-strong); }
.ns-rb-default-wrapper .config-slot.filled .config-slot-icon svg { stroke: var(--gold-rich); }
.ns-rb-default-wrapper .config-slot-info { flex: 1; min-width: 0; }
.ns-rb-default-wrapper .config-slot-label { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--stone); font-weight: 500; }
.ns-rb-default-wrapper .config-slot-value { font-size: 13px; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ns-rb-default-wrapper .config-slot-empty { font-size: 12px; color: var(--stone); font-style: italic; font-weight: 300; }
.ns-rb-default-wrapper .config-slot-action { font-size: 10px; color: var(--gold); text-transform: uppercase; letter-spacing: 0.1em; white-space: nowrap; font-weight: 500; }

.ns-rb-default-wrapper .preview-total { padding: var(--sp-5) var(--sp-6); border-top: 1.5px solid var(--sand); background: var(--cream); }
.ns-rb-default-wrapper .total-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--sp-4); }
.ns-rb-default-wrapper .total-label { font-size: 12px; color: var(--warm-grey); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 500; }
.ns-rb-default-wrapper .total-amount { font-family: var(--font-display); font-size: 30px; color: var(--gold-rich); font-weight: 400; }

.ns-rb-default-wrapper .btn-complete {
  width: 100%; padding: var(--sp-4); background: var(--ink); color: var(--white-warm);
  border-radius: 14px; font-size: 13px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; transition: all var(--duration-fast) ease;
  position: relative; overflow: hidden;
}

.ns-rb-default-wrapper .btn-complete::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  transition: left 0.6s ease;
}

.ns-rb-default-wrapper .btn-complete:hover::after { left: 100%; }
.ns-rb-default-wrapper .btn-complete:hover { background: var(--espresso); box-shadow: 0 8px 28px rgba(26,24,22,0.2); }
.ns-rb-default-wrapper .btn-complete:disabled { opacity: 0.25; cursor: not-allowed; }
.ns-rb-default-wrapper .btn-complete:disabled:hover { background: var(--ink); box-shadow: none; }
.ns-rb-default-wrapper .btn-complete:disabled:hover::after { left: -100%; }

.ns-rb-default-wrapper .btn-book-appointment {
  width: 100%; padding: var(--sp-4); margin-top: var(--sp-3);
  background: transparent; color: var(--ink);
  border: 1px solid var(--warm-grey); border-radius: 14px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; cursor: pointer;
  transition: all var(--duration-fast) ease;
}
.ns-rb-default-wrapper .btn-book-appointment:hover {
  background: var(--sand); border-color: var(--ink);
}

/* ── Modal overrides (light variant) ── */
.ns-rb-default-wrapper .ns-modal__container {
  background: var(--white-warm); color: var(--ink); border-radius: 16px;
}
.ns-rb-default-wrapper .ns-modal__title { color: var(--ink); }
.ns-rb-default-wrapper .ns-modal .ns-modal__close { color: var(--warm-grey); }
.ns-rb-default-wrapper .ns-modal .ns-modal__close:hover { color: var(--ink); }
.ns-rb-default-wrapper .ns-modal__overlay { background: rgba(0, 0, 0, 0.45); }

.ns-rb-default-wrapper .ns-inquiry-ring-summary {
  padding: var(--sp-4); margin-bottom: var(--sp-5);
  background: var(--sand); border-radius: 10px;
  font-size: 14px; color: var(--warm-grey);
}
.ns-rb-default-wrapper .ns-inquiry-form label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--warm-grey); font-weight: 500; }
.ns-rb-default-wrapper .ns-inquiry-form .required { color: var(--gold-rich); }
.ns-rb-default-wrapper .ns-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin-bottom: var(--sp-4); }
.ns-rb-default-wrapper .ns-form-group { margin-bottom: var(--sp-4); }
.ns-rb-default-wrapper .ns-inquiry-form input,
.ns-rb-default-wrapper .ns-inquiry-form textarea,
.ns-rb-default-wrapper .ns-inquiry-form select {
  width: 100%; padding: 10px 14px; background: var(--white-warm);
  border: 1.5px solid var(--sand); border-radius: 10px;
  color: var(--ink); font-size: 14px; box-sizing: border-box;
}
.ns-rb-default-wrapper .ns-inquiry-form input:focus,
.ns-rb-default-wrapper .ns-inquiry-form textarea:focus,
.ns-rb-default-wrapper .ns-inquiry-form select:focus {
  border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold); outline: none;
}
.ns-rb-default-wrapper .ns-form-checkbox { margin-bottom: var(--sp-4); }
.ns-rb-default-wrapper .ns-form-checkbox label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.ns-rb-default-wrapper .ns-form-actions { text-align: right; }
.ns-rb-default-wrapper .ns-btn-inquiry-submit {
  padding: 12px 32px; background: var(--ink); color: var(--white-warm);
  border: none; border-radius: 12px; font-size: 13px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer;
  transition: background var(--duration-fast) ease;
}
.ns-rb-default-wrapper .ns-btn-inquiry-submit:hover { background: var(--espresso); }

/* ═══════════════════════════════════════════
   SETTINGS EXPLORER
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .setting-explorer { padding: var(--sp-10); }
.ns-rb-default-wrapper .setting-canvas {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--sp-5);
  margin-top: var(--sp-6);
}

/* ── Setting Card ── */
.ns-rb-default-wrapper .setting-card {
  position: relative;
  border-radius: 22px;
  border: 1.5px solid var(--sand);
  background: var(--white-pure);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--duration-mid) var(--ease-out-expo);
  animation: nsRbCardFloat var(--duration-glacial) var(--ease-out-expo) both;
}

.ns-rb-default-wrapper .setting-card:hover {
  border-color: var(--gold-light);
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.ns-rb-default-wrapper .setting-card.is-selected {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px var(--gold-wash-strong), var(--shadow-lg);
}

/* ── Visual (4:3 — product image or SVG fallback) ── */
.ns-rb-default-wrapper .setting-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, var(--cream) 0%, var(--sand) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ns-rb-default-wrapper svg.setting-render {
  width: 50%;
  transition: transform var(--duration-mid) var(--ease-out-expo);
}

.ns-rb-default-wrapper img.setting-render {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-mid) var(--ease-out-expo);
}

.ns-rb-default-wrapper .setting-card:hover .setting-render {
  transform: scale(1.08) translateY(-4px);
}

.ns-rb-default-wrapper .setting-badge {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  background: var(--gold);
  color: var(--white-pure);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-2);
  border-radius: 6px;
  z-index: 1;
  font-weight: 500;
}

/* ── Info (left-aligned) ── */
.ns-rb-default-wrapper .setting-info {
  padding: var(--sp-5);
}

.ns-rb-default-wrapper .setting-style-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--sp-1);
  font-weight: 500;
}

.ns-rb-default-wrapper .setting-name {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ink);
  margin-bottom: var(--sp-1);
  font-weight: 400;
}

.ns-rb-default-wrapper .setting-desc {
  font-size: 12px;
  color: var(--warm-grey);
  line-height: 1.55;
  margin-bottom: var(--sp-3);
  font-weight: 300;
}

.ns-rb-default-wrapper .setting-price {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold-rich);
  font-weight: 500;
}

.ns-rb-default-wrapper .setting-from {
  font-size: 10px;
  color: var(--warm-grey);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 2px;
  font-weight: 400;
  font-family: var(--font-mono);
}

/* ── Metal Dots (inside .setting-info) ── */
.ns-rb-default-wrapper .setting-metals {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.ns-rb-default-wrapper .metal-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--sand);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  padding: 0;
  flex-shrink: 0;
}

.ns-rb-default-wrapper .metal-dot:hover {
  transform: scale(1.2);
  border-color: var(--dove);
}

.ns-rb-default-wrapper .metal-dot.is-active {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px var(--gold-wash);
}

.ns-rb-default-wrapper .metal-dot--image {
  background-size: cover;
  background-position: center;
}

/* ── Setting Select Button ── */
.ns-rb-default-wrapper .setting-select-btn {
  width: 100%; margin-top: var(--sp-4); padding: var(--sp-3) 0;
  border: 1.5px solid var(--gold-light); border-radius: 12px;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold-rich); font-weight: 500; transition: all var(--duration-fast) ease;
  background: transparent; cursor: pointer;
}
.ns-rb-default-wrapper .setting-select-btn:hover { background: var(--gold); color: var(--white-pure); border-color: var(--gold); }

/* ── Setting Empty State ── */
.ns-rb-default-wrapper .setting-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--sp-16) var(--sp-8);
  color: var(--warm-grey);
}

.ns-rb-default-wrapper .setting-empty p {
  font-size: 14px;
  line-height: 1.6;
}

/* ── Setting Filter Options (dropdown panels) ── */
.ns-rb-default-wrapper .setting-filter-options {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 280px;
  overflow-y: auto;
  padding: var(--sp-2) 0;
}

.ns-rb-default-wrapper .setting-filter-option {
  padding: var(--sp-2) var(--sp-4);
  font-size: 13px;
  cursor: pointer;
  border-radius: 8px;
  transition: background var(--duration-fast) ease;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--charcoal);
}

.ns-rb-default-wrapper .setting-filter-option:hover {
  background: var(--cream);
}

.ns-rb-default-wrapper .setting-filter-option.active {
  color: var(--gold-rich);
  background: var(--gold-wash);
  font-weight: 500;
}

/* Metal dot inside filter option */
.ns-rb-default-wrapper .setting-metal-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--dove);
  flex-shrink: 0;
}

.ns-rb-default-wrapper .setting-metal-dot--image {
  background-size: cover;
  background-position: center;
}

/* ── Metal Preset Colors (shared with Elegant) ── */
.ns-rb-default-wrapper .ns-metal--yellow-gold { background: linear-gradient(135deg, #d4a853, #f0d080); }
.ns-rb-default-wrapper .ns-metal--white-gold { background: linear-gradient(135deg, #d0d0d5, #eaeaee); }
.ns-rb-default-wrapper .ns-metal--rose-gold { background: linear-gradient(135deg, #d4908a, #f0b8b2); }
.ns-rb-default-wrapper .ns-metal--platinum { background: linear-gradient(135deg, #c5c5cd, #e2e2e8); }
.ns-rb-default-wrapper .ns-metal--silver { background: linear-gradient(135deg, #c0c0c0, #e0e0e0); }
.ns-rb-default-wrapper .ns-metal--palladium { background: linear-gradient(135deg, #b8b8c2, #d8d8e0); }
.ns-rb-default-wrapper .ns-metal--titanium { background: linear-gradient(135deg, #a0a0aa, #c0c0c8); }

/* ═══════════════════════════════════════════
   VIEW TABS
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .view-tabs {
  display: inline-flex; gap: 2px; background: var(--cream); border-radius: 14px;
  padding: 3px; border: 1px solid var(--sand);
}

.ns-rb-default-wrapper .view-tab {
  padding: var(--sp-2) var(--sp-5); font-size: 12px; letter-spacing: 0.08em;
  color: var(--stone); border-radius: 11px; transition: all var(--duration-fast) ease; font-weight: 500;
}

.ns-rb-default-wrapper .view-tab.active { background: var(--white-pure); color: var(--gold-rich); box-shadow: var(--shadow-sm); }
.ns-rb-default-wrapper .view-tabs .view-tab:hover:not(.active) { color: var(--charcoal); background: transparent; }
.ns-rb-default-wrapper .view-tabs .view-tab.active:hover { background: var(--white-pure); color: var(--gold-rich); }
.ns-rb-default-wrapper .explorer-panel { display: none; }
.ns-rb-default-wrapper .explorer-panel.active { display: block; }

/* ═══════════════════════════════════════════
   CATALOG-ONLY MODE  (no WooCommerce / no settings)
   Single-column, full-width diamond grid — no stepper,
   no preview panel, no settings explorer.
   ═══════════════════════════════════════════ */
.ns-rb-default-wrapper .builder-layout.catalog-only {
  grid-template-columns: 1fr;      /* remove preview sidebar column */
  max-width: 1200px;
  margin: 0 auto;
}
.ns-rb-default-wrapper .builder-layout.catalog-only .explorer-area {
  padding-top: var(--sp-8);
}
.ns-rb-default-wrapper .builder-layout.catalog-only .diamond-explorer {
  text-align: center;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .ns-rb-default-wrapper .builder-layout { grid-template-columns: 1fr; }
  .ns-rb-default-wrapper .preview-panel {
    position: static; height: auto; border-left: none;
    border-top: 1.5px solid var(--sand);
  }
  .ns-rb-default-wrapper .preview-viewport { min-height: 320px; }
}

@media (max-width: 768px) {

  /* ── Header / Stepper ── */
  .ns-rb-default-wrapper .atelier-header {
    flex-direction: column; height: auto;
    padding: var(--sp-4) var(--sp-5); gap: var(--sp-3);
  }
  .ns-rb-default-wrapper .stepper { width: 100%; gap: var(--sp-1); }
  .ns-rb-default-wrapper .stepper-label { display: none; }
  .ns-rb-default-wrapper .stepper-connector { width: 24px; }
  .ns-rb-default-wrapper .stepper { margin-bottom: var(--sp-4); }
  .ns-rb-default-wrapper .header-summary { margin-left: 0; justify-content: center; }
  .ns-rb-default-wrapper .explorer-area { padding-top: var(--sp-12); }

  /* ── Lab Grown / Natural switch ── */
  .ns-rb-default-wrapper .view-tabs { display: flex; width: 100%; }
  .ns-rb-default-wrapper .view-tab { flex: 1; text-align: center; justify-content: center; }

  /* ── Title section ── */
  .ns-rb-default-wrapper .diamond-explorer { padding: var(--sp-6) var(--sp-5); text-align: center; }
  .ns-rb-default-wrapper .section-eyebrow { font-size: 11px; }
  .ns-rb-default-wrapper .section-title { font-size: clamp(26px, 6vw, 34px); }
  .ns-rb-default-wrapper .section-count { margin-bottom: var(--sp-6); }

  /* ── Filters bar: 2 columns ── */
  .ns-rb-default-wrapper .filters-bar { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
  .ns-rb-default-wrapper .filter-trigger { width: 100%; justify-content: center; }
  .ns-rb-default-wrapper .filter-panel {
    position: fixed; top: auto; bottom: 0; left: 0; right: 0;
    min-width: unset; width: 100%; border-radius: 20px 20px 0 0;
    max-height: 70vh; overflow-y: auto; z-index: 200;
  }

  /* ── Sort: full width ── */
  .ns-rb-default-wrapper .sort-wrapper { grid-column: 1 / -1; margin-left: 0; }
  .ns-rb-default-wrapper .sort-toggle { width: 100%; justify-content: center; }
  .ns-rb-default-wrapper .sort-dropdown { left: 0; right: 0; min-width: unset; }

  /* ── Diamond canvas + detail ── */
  .ns-rb-default-wrapper .diamond-canvas { grid-template-columns: 1fr; gap: var(--sp-3); }
  .ns-rb-default-wrapper .detail-content { grid-template-columns: 1fr; padding: var(--sp-12) var(--sp-5); }

  /* ── Setting detail overlay: stack vertically ── */
  .ns-rb-default-wrapper .setting-detail-layout { grid-template-columns: 1fr; }
  .ns-rb-default-wrapper .setting-detail-gallery { position: static; }
  .ns-rb-default-wrapper .setting-detail-gallery--left {
    flex-direction: column;
  }
  .ns-rb-default-wrapper .setting-detail-gallery--left .setting-detail-gallery__thumbs {
    flex-direction: row;
    order: 0;
    margin-top: var(--sp-3);
  }
  .ns-rb-default-wrapper .setting-detail-specs { grid-template-columns: repeat(2, 1fr); }

  /* ── Preview panel ── */
  .ns-rb-default-wrapper .preview-viewport { min-height: 280px; }

  /* ── Modal form responsive ── */
  .ns-rb-default-wrapper .ns-form-row { grid-template-columns: 1fr; }
}