:root{--primary:#3157d5;--secondary:#6d5dfc;--success:#16a36a;--warning:#f5a524;--danger:#e5484d;--bg:#f6f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--radius:20px}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}.announcement{background:#111827;color:white;font-size:.85rem}.brand-dot{display:inline-block;width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));margin-right:8px}.navbar{backdrop-filter:blur(16px)}.hero{background:radial-gradient(circle at 80% 20%,rgba(109,93,252,.18),transparent 28%),linear-gradient(180deg,#fff,#f6f7fb)}.hero h1{font-size:clamp(2.6rem,6vw,5.4rem);line-height:.98;letter-spacing:-.055em;font-weight:800}.hero h1 span{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;color:transparent}.hero p{font-size:1.15rem;color:var(--muted);max-width:650px}.eyebrow{font-size:.75rem;font-weight:800;letter-spacing:.16em;color:var(--primary)}.hero-panel{min-height:410px;border-radius:32px;padding:32px;background:linear-gradient(135deg,#111827,#26335c);display:grid;grid-template-columns:1fr 1fr;gap:16px;box-shadow:0 30px 80px rgba(17,24,39,.2)}.mini-card{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.08);backdrop-filter:blur(8px);border-radius:24px;color:white;padding:24px;font-size:1.1rem;font-weight:700;display:flex;align-items:end}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.section-head h2{font-size:2rem;font-weight:800}.product-card{background:var(--card);border:1px solid #e9ebf2;border-radius:var(--radius);overflow:hidden;transition:.25s;box-shadow:0 10px 30px rgba(31,41,55,.04)}.product-card:hover{transform:translateY(-5px);box-shadow:0 18px 45px rgba(31,41,55,.1)}.product-card img{width:100%;aspect-ratio:1;object-fit:cover;background:#eef0f5}.product-card h3{font-size:1rem;margin:.35rem 0 .8rem}.product-card a{text-decoration:none;color:inherit}.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.feature-strip>div{background:#fff;border-radius:16px;padding:20px;text-align:center;font-weight:700}.footer{background:#fff}.footer a{display:block;color:#6b7280;text-decoration:none;margin:.5rem 0}.voice-fab{position:fixed;right:24px;bottom:24px;width:58px;height:58px;border:0;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));color:white;box-shadow:0 14px 36px rgba(49,87,213,.35);z-index:1050;font-size:1.25rem}.voice-fab.listening{animation:pulse 1s infinite}.voice-toast{position:fixed;right:24px;bottom:94px;background:#111827;color:#fff;padding:12px 16px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s;z-index:1050;max-width:320px}.voice-toast.show{opacity:1}@keyframes pulse{50%{transform:scale(1.12)}}.product-main-img{width:100%;border-radius:24px;background:#fff}.price-xl{font-size:2rem;font-weight:800;margin:16px 0}.rating{color:#f5a524}.empty-state{background:#fff;border-radius:28px;text-align:center;padding:70px 20px;box-shadow:0 10px 35px rgba(31,41,55,.05)}.success-icon{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:#dcfce7;color:#15803d;font-size:2rem;margin:0 auto 20px}.auth-card,.content-page{max-width:560px;margin:auto;background:#fff;padding:36px;border-radius:24px;box-shadow:0 12px 40px rgba(31,41,55,.06)}.trust-row{display:flex;gap:18px;flex-wrap:wrap;color:#475569;font-size:.9rem}@media(max-width:991px){.hero-panel{min-height:300px}.feature-strip{grid-template-columns:1fr 1fr}}@media(max-width:575px){.hero h1{font-size:2.8rem}.hero-panel{grid-template-columns:1fr 1fr;min-height:260px;padding:16px}.mini-card{padding:16px;font-size:.9rem}.feature-strip{grid-template-columns:1fr}.voice-fab{right:16px;bottom:16px}}
.catalog-hero{display:flex;align-items:end;justify-content:space-between;gap:20px;background:linear-gradient(135deg,#fff,#f1f4ff);border:1px solid #e7eaf3;border-radius:28px;padding:28px}.catalog-hero h1{font-weight:800;letter-spacing:-.035em;margin:.2rem 0}.catalog-count{background:#fff;border:1px solid #e7eaf3;border-radius:999px;padding:10px 16px;font-weight:700;white-space:nowrap}.filter-card{background:#fff;border:1px solid #e7eaf3;border-radius:22px;padding:20px}.product-actions{position:absolute;right:12px;top:12px;z-index:3;display:flex;gap:7px}.icon-btn{width:35px;height:35px;border:1px solid #e6e8ef;background:rgba(255,255,255,.92);border-radius:50%;display:grid;place-items:center;transition:.2s}.icon-btn:hover,.icon-btn.active,.wishlist-btn.active,.compare-btn.active{background:#111827;color:#fff;border-color:#111827}.stock-pill{display:inline-flex;padding:7px 12px;border-radius:999px;font-size:.85rem;font-weight:700}.stock-pill.in{background:#dcfce7;color:#15803d}.stock-pill.out{background:#fee2e2;color:#b91c1c}.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.spec-grid>div{background:#fff;border:1px solid #e8eaf1;border-radius:14px;padding:12px}.spec-grid span,.spec-grid strong{display:block}.spec-grid span{font-size:.75rem;color:var(--muted);margin-bottom:3px}.thumb-row{display:flex;gap:10px;overflow:auto}.thumb-btn{border:1px solid #e5e7eb;background:#fff;border-radius:12px;padding:4px}.thumb-btn img{width:72px;height:72px;object-fit:cover;border-radius:9px}.compare-table{background:#fff;border-radius:22px;padding:12px}.compare-table img{width:150px;aspect-ratio:1;object-fit:cover;border-radius:16px;margin-bottom:12px}.compare-table th{min-width:130px}.compare-table td{min-width:190px}.pagination .page-link{border-radius:10px!important;margin:0 3px}@media(max-width:767px){.catalog-hero{align-items:start;flex-direction:column;padding:22px}.filter-card{position:static!important}.spec-grid{grid-template-columns:1fr}}
.account-avatar{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:var(--bs-primary);color:#fff;font-weight:800}.account-nav-link{display:block;padding:.75rem .85rem;border-radius:12px;color:#344054;text-decoration:none;margin:.15rem 0}.account-nav-link:hover{background:#f4f6fb;color:var(--bs-primary)}.empty-state{border:1px dashed #d9deea;border-radius:18px;padding:2rem;color:#667085;background:#fafbff}.timeline-item{position:relative;padding:0 0 1rem 1.2rem;border-left:2px solid #e8ebf2}.timeline-item:before{content:"";position:absolute;left:-6px;top:4px;width:10px;height:10px;border-radius:50%;background:var(--bs-primary)}.checkout-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.checkout-step{border:0;background:#f5f6fa;padding:.75rem .4rem;border-radius:14px;font-size:.86rem;color:#667085}.checkout-step span{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#fff;margin-right:.25rem}.checkout-step.active{background:#eef2ff;color:#3157d5;font-weight:700}.checkout-step.active span{background:#3157d5;color:#fff}.checkout-panel{display:none}.checkout-panel.active{display:block}.payment-option{display:flex;gap:12px;padding:16px;border:1px solid #e4e7ec;border-radius:16px;margin-bottom:12px;cursor:pointer}.payment-option input{margin-top:5px}.payment-option span{display:flex;flex-direction:column}.payment-option small{color:#667085}@media(max-width:767px){.checkout-steps{grid-template-columns:1fr 1fr}.checkout-step{font-size:.78rem}.cart-row{align-items:flex-start}.account-sidebar{position:static!important}}
/* Phase 12 AI shopping assistant */
.ai-open{position:fixed;right:22px;bottom:92px;z-index:1040;border:0;border-radius:999px;padding:12px 16px;box-shadow:0 12px 35px rgba(22,30,60,.22);background:var(--bs-dark);color:#fff;font-weight:700}.ai-panel{position:fixed;right:22px;bottom:150px;width:min(390px,calc(100vw - 24px));height:min(590px,70vh);z-index:1050;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:20px;box-shadow:0 20px 60px rgba(20,25,50,.25);display:none;overflow:hidden}.ai-panel.show{display:flex;flex-direction:column}.ai-head{padding:14px 16px;border-bottom:1px solid #eee;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#f8f9ff,#fff)}.ai-messages{flex:1;overflow:auto;padding:14px;background:#f7f8fb}.ai-msg{max-width:88%;margin:0 0 10px;padding:10px 12px;border-radius:14px;background:#fff;border:1px solid #e8eaf0;font-size:.92rem}.ai-msg.user{margin-left:auto;background:#222;color:#fff;border-color:#222}.ai-products{display:grid;gap:6px;margin-top:9px}.ai-product{display:flex;flex-direction:column;text-decoration:none;border-top:1px solid #eee;padding-top:7px;color:#20243a}.ai-product span{font-size:.78rem;color:#6b7280}.ai-form{display:flex;gap:8px;padding:12px;border-top:1px solid #eee}.ai-form input{flex:1;border:1px solid #dfe2e8;border-radius:12px;padding:10px}.ai-form button{border-radius:12px}@media(max-width:576px){.ai-open{right:12px;bottom:82px}.ai-panel{right:12px;bottom:138px}}
.voice-panel{position:fixed;right:24px;bottom:92px;width:min(380px,calc(100vw - 32px));background:#fff;border:1px solid #e5e7eb;border-radius:22px;box-shadow:0 24px 70px rgba(15,23,42,.22);z-index:1049;opacity:0;pointer-events:none;transform:translateY(12px) scale(.98);transition:.2s}.voice-panel.show{opacity:1;pointer-events:auto;transform:none}.voice-panel-head{padding:16px 16px 12px;display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid #eef0f5}.voice-panel-body{padding:16px}.voice-panel .form-select{max-width:145px}.voice-transcript{margin-top:4px;padding:12px 14px;border-radius:14px;background:#f6f7fb;min-height:48px;font-weight:600}.voice-confirm{margin-top:12px;padding:12px;border:1px solid #fee2e2;background:#fff7f7;border-radius:14px}.voice-examples{margin-top:8px;line-height:1.65;color:#475569}@media(max-width:575px){.voice-panel{right:16px;bottom:84px}}
/* Phase 14 spatial commerce */
.xr-viewer-wrap{position:relative}.xr-toolbar{position:absolute;left:14px;right:14px;bottom:14px;display:flex;gap:8px;flex-wrap:wrap}.xr-toolbar .btn{backdrop-filter:blur(10px)}.tryon-stage{position:relative;max-width:720px;margin:auto;background:#10131a;border-radius:20px;overflow:hidden;aspect-ratio:1}.tryon-stage video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.tryon-stage img{position:absolute;left:22%;top:28%;width:56%;pointer-events:none;opacity:.9}.xr-hero{background:linear-gradient(135deg,#fff,#eef2ff);border:1px solid #e5e9f5;border-radius:28px;padding:30px;display:flex;justify-content:space-between;align-items:center;gap:24px}.vr-store-canvas{height:520px;border-radius:28px;overflow:hidden;background:#f4f6fb;border:1px solid #e5e7eb}.vr-store-canvas canvas{display:block;width:100%!important}.xr-status-card{border:1px solid #e6e8ef;border-radius:16px;padding:16px;background:#fff}@media(max-width:767px){.xr-hero{display:block;padding:22px}.vr-store-canvas{height:420px}.xr-toolbar{position:static;margin-top:10px}}