.n3d-config{--n3d-gold:#c59b45;--n3d-gold-deep:#7d5d1c;--n3d-obsidian:#151412;--n3d-card-bg:#faf9f6;--n3d-card-active-bg:#f5f2eb;background:var(--color-surface);color:var(--color-text-primary);flex-direction:column;padding:26px 26px 36px;display:flex}@media (width<=640px){.n3d-config{padding:16px 14px 28px}}.n3d-config-head{padding-bottom:16px}.n3d-config-eyebrow-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.n3d-config-head-pills{flex-wrap:wrap;align-items:center;gap:6px;display:inline-flex}.n3d-config-eyebrow{font-family:var(--font-sans);letter-spacing:.15em;text-transform:uppercase;color:var(--n3d-gold-deep);margin:0;font-size:.64rem;font-weight:600}.n3d-piece-switcher{background:#f2efe8;border:1px solid #1816131c;border-radius:999px;align-items:center;gap:2px;padding:2px;display:inline-flex}.n3d-piece-tab{font-family:var(--font-sans);letter-spacing:.04em;text-transform:uppercase;color:#635c52;border-radius:999px;justify-content:center;align-items:center;padding:3px 10px;font-size:.62rem;font-weight:600;text-decoration:none;transition:color .16s,background-color .16s,box-shadow .16s;display:inline-flex}@media (hover:hover) and (pointer:fine){.n3d-piece-tab:hover{color:var(--n3d-obsidian)}}.n3d-piece-tab.is-active{color:#faf8f4;background:var(--n3d-obsidian);box-shadow:0 2px 6px #120f0b29}.n3d-config-title{font-family:var(--font-serif);letter-spacing:-.01em;margin:0 0 6px;font-size:clamp(1.5rem,2vw,2rem);font-weight:400;line-height:1.12}.n3d-config-lede{color:var(--color-text-secondary);margin:0;font-size:.8rem;line-height:1.55}.n3d-progress-rail{top:var(--n3d-top,72px);z-index:9;-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--color-border-subtle);border-bottom:1px solid var(--color-border-subtle);background:#fffffff0;margin:0 -26px 16px;padding:9px 26px 0;position:sticky}.n3d-progress-top{justify-content:space-between;align-items:center;gap:8px;padding-bottom:8px;display:flex}.n3d-progress-pills{scrollbar-width:none;justify-content:space-between;align-items:center;gap:2px;width:100%;display:flex;overflow-x:auto}.n3d-progress-pills::-webkit-scrollbar{display:none}.n3d-progress-pill{font-family:var(--font-sans);letter-spacing:.02em;color:#787167;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:3px;padding:4px 6px;font-size:.62rem;font-weight:500;transition:color .18s cubic-bezier(.22,1,.36,1),background-color .18s cubic-bezier(.22,1,.36,1),border-color .18s cubic-bezier(.22,1,.36,1);display:inline-flex}@media (hover:hover) and (pointer:fine){.n3d-progress-pill:hover{color:var(--n3d-obsidian);background:#1816130a}}.n3d-progress-pill.is-passed{color:#4a453e}.n3d-progress-pill.is-current{color:#faf8f4;background:var(--n3d-obsidian);font-weight:600}.n3d-progress-num{color:#625c53;font-size:.58rem}.n3d-progress-pill.is-current .n3d-progress-num{color:#e5c67b;opacity:1}@media (width<=979px){.n3d-progress-rail{top:calc(var(--n3d-top,139px) + var(--n3d-stage-h,255px));margin:0 -14px 12px;padding:6px 10px 0;position:sticky;box-shadow:0 6px 16px -8px #12100d14}.n3d-progress-top{gap:4px;padding-bottom:6px}.n3d-progress-pills{gap:1px}.n3d-progress-pill{letter-spacing:.01em;gap:2px;padding:3.5px 4.5px;font-size:.54rem}.n3d-progress-num{font-size:.5rem}}.n3d-autosync-toggle{font-family:var(--font-sans);letter-spacing:.04em;color:#5e584f;cursor:pointer;white-space:nowrap;background:#f6f4ef;border:1px solid #1816131c;border-radius:999px;flex-shrink:0;align-items:center;gap:5px;padding:3px 9px;font-size:.63rem;font-weight:500;transition:color .18s,background-color .18s,border-color .18s;display:inline-flex}@media (hover:hover) and (pointer:fine){.n3d-autosync-toggle:hover{border-color:var(--n3d-obsidian);color:var(--n3d-obsidian)}}.n3d-autosync-toggle.is-on{color:var(--n3d-obsidian);border-color:var(--n3d-gold);background:#f5efe0}.n3d-autosync-dot{background:#b5afa6;border-radius:50%;width:6px;height:6px;transition:background-color .18s,box-shadow .18s}.n3d-autosync-toggle.is-on .n3d-autosync-dot{background:var(--n3d-gold);box-shadow:0 0 6px #c59b45a6}.n3d-progress-bar-track{background:#1816130f;height:2px;margin:0 -26px;overflow:hidden}@media (width<=979px){.n3d-progress-bar-track{margin:0 -10px}}.n3d-progress-bar-fill{transform-origin:0;will-change:transform;background:linear-gradient(90deg,#c59b45 0%,#151412 100%);width:100%;height:100%;transition:transform .32s cubic-bezier(.22,1,.36,1)}.n3d-step{scroll-margin-top:calc(var(--n3d-top,72px) + 54px);background:#fff;border:1px solid #18161314;border-radius:16px;margin-bottom:13px;padding:18px 16px;transition:border-color .26s cubic-bezier(.22,1,.36,1),box-shadow .26s cubic-bezier(.22,1,.36,1),transform .26s cubic-bezier(.22,1,.36,1),background-color .26s cubic-bezier(.22,1,.36,1);position:relative}@media (width<=979px){.n3d-step{scroll-margin-top:calc(var(--n3d-top,139px) + var(--n3d-stage-h,255px) + 46px);margin-bottom:10px;padding:14px 13px}}.n3d-step:before{content:"";background:var(--n3d-gold);opacity:0;border-radius:0 3px 3px 0;width:3px;transition:opacity .26s cubic-bezier(.22,1,.36,1),transform .26s cubic-bezier(.22,1,.36,1);position:absolute;top:16px;bottom:16px;left:0;transform:scaleY(.4)}.n3d-step.is-active-step{border-color:#c59b4561;box-shadow:0 12px 28px -12px #14110c14}.n3d-step.is-active-step:before{opacity:1;transform:scaleY(1)}.n3d-step-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.n3d-step-eyebrow{font-family:var(--font-sans);letter-spacing:.11em;text-transform:uppercase;color:#6f675c;margin-bottom:2px;font-size:.6rem;font-weight:600;transition:color .22s;display:block}.n3d-step.is-active-step .n3d-step-eyebrow{color:var(--n3d-gold-deep)}.n3d-step-title{font-family:var(--font-serif);letter-spacing:.01em;color:var(--n3d-obsidian);margin:0;font-size:1.04rem;font-weight:500}.n3d-step-meta{color:var(--color-text-secondary);letter-spacing:.03em;white-space:nowrap;font-size:.71rem;font-weight:500}.n3d-step-cam-btn{font-family:var(--font-sans);letter-spacing:.04em;text-transform:uppercase;color:#59534a;cursor:pointer;white-space:nowrap;background:#f6f4ef;border:1px solid #1816131a;border-radius:999px;flex-shrink:0;padding:4px 10px;font-size:.62rem;font-weight:500;transition:color .18s cubic-bezier(.22,1,.36,1),background-color .18s cubic-bezier(.22,1,.36,1),border-color .18s cubic-bezier(.22,1,.36,1)}@media (hover:hover) and (pointer:fine){.n3d-step-cam-btn:hover{color:var(--n3d-obsidian);border-color:var(--n3d-obsidian);background:#fff}}.n3d-step-cam-btn.is-active{color:#faf8f4;background:var(--n3d-obsidian);border-color:var(--n3d-obsidian)}.n3d-note,.n3d-rule{color:var(--color-text-secondary);margin:10px 0 0;font-size:.73rem;line-height:1.48}.n3d-rule.is-live{border-left:2px solid var(--n3d-gold);color:var(--n3d-obsidian);background:#f8f3e6;border-radius:0 8px 8px 0;padding:8px 12px}.n3d-card,.n3d-pill{font-family:var(--font-sans);color:var(--color-text-primary);background:var(--n3d-card-bg);text-align:left;cursor:pointer;border:1px solid #18161317;border-radius:12px;flex-direction:column;padding:11px 12px;transition:border-color .18s cubic-bezier(.22,1,.36,1),background-color .18s cubic-bezier(.22,1,.36,1),box-shadow .18s cubic-bezier(.22,1,.36,1),transform .15s cubic-bezier(.22,1,.36,1);display:flex;position:relative}@media (hover:hover) and (pointer:fine){.n3d-card:hover,.n3d-pill:hover{background:#fff;border-color:#18161352}}.n3d-pill.is-heart-locked{opacity:.72;background:#f6f4ef;border-style:dashed;border-color:#18161324}.n3d-pill.is-heart-locked .n3d-pill-sub{color:var(--n3d-gold-deep);font-weight:600}@media (hover:hover) and (pointer:fine){.n3d-pill.is-heart-locked:hover{opacity:.95;border-style:solid;border-color:#c59b458c}}.n3d-card:active,.n3d-pill:active{transform:scale(.982)}.n3d-card.is-active,.n3d-pill.is-active{border-color:var(--n3d-obsidian);background:var(--n3d-card-active-bg);box-shadow:0 0 0 1px var(--n3d-obsidian), 0 6px 16px -6px #14110d1f}.n3d-card:focus-visible,.n3d-pill:focus-visible{outline:2px solid var(--n3d-gold);outline-offset:2px}.n3d-card-name{letter-spacing:.015em;color:var(--n3d-obsidian);font-size:.82rem;font-weight:600}.n3d-card-sub{color:var(--color-text-secondary);margin-top:5px;font-size:.72rem;line-height:1.42}.n3d-drill-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.n3d-drill-card{text-align:center;align-items:center;gap:3px;padding:13px 8px 11px}.n3d-drill-svg{color:#4f4940;background:#fff;border:1px solid #18161314;border-radius:10px;flex-shrink:0;width:38px;height:38px;margin-bottom:4px;padding:5px;transition:transform .2s cubic-bezier(.22,1,.36,1),border-color .18s}.n3d-drill-card:hover .n3d-drill-svg{transform:scale(1.06)}.n3d-drill-card.is-active .n3d-drill-svg{color:var(--n3d-obsidian);background:#fdfbf7;border-color:#c59b4580}.n3d-drill-tag{letter-spacing:.03em;color:var(--n3d-gold-deep);font-size:.62rem;font-weight:600;line-height:1.2}.n3d-drill-short{color:var(--color-text-secondary);font-size:.68rem;line-height:1.25}.n3d-shape-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;display:grid}.n3d-shape-card{text-align:center;align-items:center;gap:4px;padding:12px 6px 10px}.n3d-shape-icon{width:23px;height:23px;color:var(--color-text-secondary);transition:color .18s,transform .2s cubic-bezier(.22,1,.36,1)}.n3d-shape-card:hover .n3d-shape-icon{transform:scale(1.08)}.n3d-shape-card.is-active .n3d-shape-icon{color:var(--n3d-obsidian);transform:scale(1.1)}.n3d-shape-ratio{color:var(--color-text-muted);letter-spacing:.02em;font-size:.64rem}.n3d-pill-row--3{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.n3d-pill-row--5{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;display:grid}.n3d-pill{text-align:center;justify-content:center;align-items:center;padding:10px 3px 9px}.n3d-stone-dots{justify-content:center;align-items:center;gap:2px;height:10px;margin-bottom:3px;display:inline-flex}.n3d-stone-dot{background:#a39b8f;border-radius:50%;width:3px;height:3px}.n3d-stone-pill.is-active .n3d-stone-dot{background:var(--n3d-gold-deep)}.n3d-carat-ring-wrap{justify-content:center;align-items:center;height:18px;margin-bottom:3px;display:flex}.n3d-carat-ring{background:#fffc;border:1.5px solid #8e867a;border-radius:50%;transition:all .18s;display:block}.n3d-carat-pill.is-active .n3d-carat-ring{border-color:var(--n3d-obsidian);background:radial-gradient(circle at 35% 35%,#fff 0%,#e5c67b 100%)}.n3d-pill-main{font-family:var(--font-serif);color:var(--n3d-obsidian);font-size:.98rem;font-weight:500;line-height:1.1}.n3d-pill-sub{letter-spacing:.02em;color:var(--color-text-muted);margin-top:2px;font-size:.6rem}.n3d-metal-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;display:grid}.n3d-metal-card{text-align:center;align-items:center;gap:7px;padding:12px 6px}.n3d-metal-swatch{border:1.5px solid #18161329;border-radius:50%;width:24px;height:24px;box-shadow:inset 0 1px 2px #ffffffbf,0 2px 5px #14110d1f}.n3d-karat-upgrade{cursor:pointer;-webkit-user-select:none;user-select:none;background:#faf7f0;border:1px solid #c59b4557;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;padding:10px 13px;transition:background-color .18s,border-color .18s,box-shadow .18s;display:flex}@media (hover:hover) and (pointer:fine){.n3d-karat-upgrade:hover{background:#f8f3e7;border-color:#c59b459e}}.n3d-karat-upgrade.is-18k{border-color:var(--n3d-gold);background:linear-gradient(135deg,#fdfaf2 0%,#f6eddc 100%);box-shadow:0 3px 12px -4px #9a73282e}.n3d-karat-upgrade-copy{flex-direction:column;gap:2px;min-width:0;display:flex}.n3d-karat-upgrade-title{font-family:var(--font-sans);letter-spacing:.015em;color:var(--n3d-obsidian);font-size:.76rem;font-weight:600}.n3d-karat-upgrade-sub{font-family:var(--font-sans);color:#635c52;font-size:.65rem;line-height:1.3}.n3d-karat-switch{cursor:pointer;background:#18161314;border:1px solid #1816131f;border-radius:999px;flex-shrink:0;align-items:center;gap:2px;padding:2.5px;transition:background-color .18s,border-color .18s;display:inline-flex}.n3d-karat-switch.is-on{background:#c59b4538;border-color:#9a732873}.n3d-karat-switch-pill{font-family:var(--font-sans);letter-spacing:.04em;text-transform:uppercase;color:#5b554c;border-radius:999px;padding:4px 10px;font-size:.64rem;font-weight:600;transition:color .16s,background-color .16s,box-shadow .16s}.n3d-karat-switch-pill[data-active=true]{color:#faf8f4;background:var(--n3d-obsidian);box-shadow:0 1px 4px #12100d38}.n3d-karat-switch.is-on .n3d-karat-switch-pill[data-active=true]{color:#faf8f4;background:var(--n3d-gold-deep)}.n3d-inline-skin-box{background:#faf8f4;border:1px solid #c59b4547;border-radius:14px;flex-direction:column;gap:9px;margin-top:12px;padding:11px 12px;display:flex}.n3d-inline-skin-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.n3d-inline-skin-badge-row{align-items:center;gap:9px;min-width:0;display:flex}.n3d-inline-skin-active-orb{border:2px solid #fff;border-radius:50%;flex-shrink:0;width:24px;height:24px;box-shadow:0 0 0 1px #18161329,0 3px 7px #14110d2e}.n3d-inline-skin-title{letter-spacing:.08em;text-transform:uppercase;color:var(--n3d-gold-deep);font-size:.65rem;font-weight:700;display:block}.n3d-inline-skin-sub{color:#5f5950;margin-top:1px;font-size:.68rem;line-height:1.32;display:block}.n3d-inline-skin-head-actions{flex-shrink:0;align-items:center;gap:5px;display:inline-flex}.n3d-inline-skin-expand-btn,.n3d-inline-skin-clear{font-family:var(--font-sans);letter-spacing:.04em;text-transform:uppercase;color:#5c564d;cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #1816131f;border-radius:999px;align-items:center;gap:4px;padding:3.5px 9px;font-size:.59rem;font-weight:600;transition:color .16s,border-color .16s,background-color .16s;display:inline-flex}@media (hover:hover) and (pointer:fine){.n3d-inline-skin-expand-btn:hover,.n3d-inline-skin-clear:hover{color:var(--n3d-obsidian);border-color:var(--n3d-obsidian)}}.n3d-inline-skin-expand-btn.is-open{color:#faf8f4;background:var(--n3d-obsidian);border-color:var(--n3d-obsidian)}.n3d-inline-skin-chevron{font-size:.65rem;line-height:1;transition:transform .18s;display:inline-block}.n3d-inline-skin-expand-btn.is-open .n3d-inline-skin-chevron{transform:rotate(180deg)}.n3d-inline-skin-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;display:grid}.n3d-inline-skin-chip{cursor:pointer;background:#fff;border:1px solid #18161314;border-radius:9px;flex-direction:column;align-items:center;gap:4px;padding:6px 4px 5px;transition:border-color .16s,background-color .16s,transform .16s cubic-bezier(.22,1,.36,1);display:flex}@media (hover:hover) and (pointer:fine){.n3d-inline-skin-chip:hover{border-color:#18161347;transform:translateY(-1px)}}.n3d-inline-skin-chip.is-active{border-color:var(--n3d-obsidian);box-shadow:0 0 0 1px var(--n3d-obsidian);background:#f5f2eb}.n3d-inline-skin-sphere{border:1.5px solid #ffffffe6;border-radius:50%;width:18px;height:18px;box-shadow:0 2px 4px #14110d2e}.n3d-inline-skin-name{color:var(--n3d-obsidian);white-space:nowrap;max-width:100%;font-size:.61rem;font-weight:600}.n3d-inline-skin-drawer{border-top:1px dashed #1816131a;flex-direction:column;gap:8px;padding-top:4px;display:flex}.n3d-inline-slider-block{background:#fff;border:1px solid #18161314;border-radius:11px;flex-direction:column;gap:5px;padding:8px 10px;display:flex}.n3d-inline-slider-labels{letter-spacing:.04em;text-transform:uppercase;color:#6b645a;justify-content:space-between;align-items:center;font-size:.58rem;font-weight:600;display:flex}.n3d-inline-skin-range{appearance:none;cursor:pointer;border:1px solid #18161329;border-radius:999px;outline:none;width:100%;height:12px;box-shadow:inset 0 1px 3px #00000024}.n3d-inline-skin-range::-webkit-slider-thumb{appearance:none;border:2.5px solid var(--n3d-obsidian);cursor:grab;background:#fff;border-radius:50%;width:21px;height:21px;transition:transform .14s;box-shadow:0 2px 6px #120f0b47}@media (hover:hover) and (pointer:fine){.n3d-inline-skin-range::-webkit-slider-thumb:hover{transform:scale(1.12)}}.n3d-inline-controls-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;display:flex}.n3d-inline-pill-group{background:#1816130e;border-radius:999px;align-items:center;gap:3px;padding:2px;display:inline-flex}.n3d-inline-mini-pill{font-family:var(--font-sans);color:#575148;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:999px;padding:4px 8px;font-size:.59rem;font-weight:500;transition:color .15s,background-color .15s}.n3d-inline-mini-pill.is-active{color:#faf8f4;background:var(--n3d-obsidian);font-weight:600}.n3d-monogram-wrap{align-items:center;display:flex;position:relative}.n3d-monogram{width:100%;font-family:var(--font-sans);letter-spacing:.04em;color:var(--color-text-primary);background:var(--n3d-card-bg);border:1px solid #1816131f;border-radius:10px;padding:10px 46px 10px 12px;font-size:.83rem;transition:border-color .18s,background-color .18s}.n3d-monogram::placeholder{letter-spacing:normal;color:var(--color-text-muted)}.n3d-monogram:focus{border-color:var(--n3d-obsidian);background:#fff;outline:none}.n3d-monogram-count{color:var(--color-text-muted);pointer-events:none;font-size:.68rem;position:absolute;right:12px}.n3d-review-links{flex-wrap:wrap;gap:10px;display:flex}.n3d-link-btn{font-family:var(--font-sans);letter-spacing:.03em;color:var(--color-text-secondary);text-underline-offset:3px;cursor:pointer;background:0 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