:root{--bg: var(--surface-2);--card: var(--surface);--muted: var(--text-2);--line: var(--border);--primary: var(--brand);--primary-2: var(--brand-dark);--primary-light:var(--brand-light);--accent: var(--accent);--shadow: var(--shadow-sm);--shadow-md: var(--shadow-md);--shadow-lg: var(--shadow-lg);--shadow-xl: var(--shadow-shell);--r-sm: var(--r-sm);--r-lg: var(--r-lg)}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:Plus Jakarta Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{border:none;background:var(--bg);color:var(--text);padding:10px 18px;border-radius:9999px;cursor:pointer;transition:opacity .15s ease,transform .1s;font-weight:500;font-size:.9375rem;display:inline-flex;align-items:center;gap:6px;box-shadow:var(--shadow)}.btn:hover{opacity:.88;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn:active{transform:scale(.97)}.btn--primary{background:linear-gradient(135deg,var(--primary) 0%,#1d4ed8 100%);color:#fff;box-shadow:0 4px 14px #2563eb40}.btn--primary:hover{opacity:.92;box-shadow:0 6px 20px #2563eb59}.btn--ghost{border:none;background:transparent;box-shadow:none;color:var(--muted)}.btn--ghost:hover{background:var(--bg);color:var(--primary)}.btn--white{color:var(--text);background:var(--card);box-shadow:var(--shadow)}.btn--white:hover{box-shadow:var(--shadow-md)}.btn--primary.btn--white{background:var(--primary-light);color:var(--primary);box-shadow:none}.btn--danger{background:var(--danger);color:#fff;box-shadow:0 4px 14px #ef444440}.btn--danger:hover{opacity:.9}.btn--warning{background:var(--warning);color:#fff;box-shadow:0 4px 14px #f59e0b40}.btn--warning:hover{opacity:.9}.filters{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--card);box-shadow:0 1px 0 var(--line)}.filters__search input{width:280px;max-width:60vw;padding:11px 16px;border-radius:9999px;border:none;background:var(--bg);color:var(--text);font-size:.9375rem;transition:all .2s;font-family:inherit}.filters__search input:focus{outline:none;box-shadow:0 0 0 2px var(--primary)}.filters__chips{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.chip{padding:7px 16px;border:none;border-radius:9999px;background:var(--bg);color:var(--muted);cursor:pointer;font-weight:500;font-size:.875rem;transition:all .15s;font-family:inherit}.chip:hover{background:var(--primary-light);color:var(--primary)}.chip--active{background:var(--accent);color:var(--primary);font-weight:600}.select{padding:10px 32px 10px 14px;border-radius:9999px;border:none;background:var(--bg);color:var(--text);font-size:.9375rem;transition:all .2s;cursor:pointer;font-family:inherit;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a5c5e' fill='none' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.select:focus{outline:none;box-shadow:0 0 0 2px var(--primary)}.container{padding:20px;max-width:1200px;margin:0 auto}.view{display:none}.view.active{display:block}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.card{background:var(--card);border:none;border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-md);transition:box-shadow .2s ease,transform .2s ease;cursor:pointer;position:relative}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-xl)}.card img{width:100%;height:200px;-o-object-fit:cover;object-fit:cover;background:var(--bg);transition:transform .3s ease}.card:hover img{transform:scale(1.03)}.card .card__body{padding:14px;flex:1;display:flex;flex-direction:column}.card .title{font-weight:600;margin:0 0 4px;font-size:.9375rem;line-height:1.4;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card .muted{color:var(--muted);font-size:.8125rem;margin-bottom:6px;line-height:1.4}.price{font-weight:700;margin:8px 0 0;font-size:1.2rem;color:var(--primary);letter-spacing:-.02em;font-family:Lexend,sans-serif}.fab{position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#1d4ed8);color:#fff;border:none;font-size:24px;cursor:pointer;box-shadow:0 8px 24px #2563eb59;transition:all .3s ease;z-index:40;display:flex;align-items:center;justify-content:center}.fab:hover{transform:scale(1.1) rotate(90deg);box-shadow:0 12px 32px #2563eb73}.fab:active{transform:scale(1.05) rotate(90deg)}.back{background:none;border:none;color:var(--primary);font-size:.9375rem;font-weight:500;cursor:pointer;padding:8px 0;margin-bottom:16px;display:inline-flex;align-items:center;gap:6px;transition:all .2s}.back:hover{color:var(--primary-2);transform:translate(-2px)}.product{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:start}.product__media{position:sticky;top:20px}.gallery{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--card)}.gallery img{width:100%;border-radius:var(--r-lg);background:var(--bg);display:block;aspect-ratio:1;-o-object-fit:cover;object-fit:cover}.gallery__thumbnails{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.gallery__thumbnails img{width:60px;height:60px;-o-object-fit:cover;object-fit:cover;border-radius:var(--r-sm);cursor:pointer;opacity:.6;transition:opacity .2s;border:2px solid transparent}.gallery__thumbnails img:hover{opacity:1}.gallery__thumbnails img.active{opacity:1;border-color:var(--accent)}.gallery__nav{position:absolute;top:50%;transform:translateY(-50%);background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:none;border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:24px;color:var(--text);transition:all .2s;z-index:2;box-shadow:var(--shadow-md)}.gallery__nav:hover{background:#fff;transform:translateY(-50%) scale(1.1)}.gallery__nav--prev{left:16px}.gallery__nav--next{right:16px}.gallery__nav.hidden{display:none}.gallery__indicator{position:absolute;bottom:16px;left:50%;transform:translate(-50%);display:flex;gap:8px;z-index:2;background:#00000040;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:8px 12px;border-radius:20px}.gallery__indicator span{width:8px;height:8px;border-radius:50%;background:#fff9;cursor:pointer;transition:all .2s}.gallery__indicator span:hover{background:#fffc}.gallery__indicator span.active{background:#fff;width:24px;border-radius:4px}.product__body h1{font-size:1.75rem;font-weight:700;margin:0 0 12px;color:var(--text);line-height:1.3;letter-spacing:-.02em;font-family:Lexend,sans-serif}.product__body .price{font-size:2rem;font-weight:700;color:var(--primary);margin:0 0 16px;letter-spacing:-.02em}.product__body .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.product__body .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}.product__body .actions .btn{flex:1;min-width:140px;justify-content:center}.tabs{display:flex;gap:8px;margin-top:20px}.tab{padding:8px 16px;border:none;border-radius:9999px;background:var(--bg);color:var(--muted);cursor:pointer;font-weight:500;font-size:.9375rem;transition:all .15s;font-family:inherit}.tab:hover{background:var(--primary-light);color:var(--primary)}.tab--active{background:var(--accent);color:var(--primary);font-weight:600}.list{display:flex;flex-direction:column;gap:12px}.form{background:var(--card);border:none;border-radius:var(--r-lg);padding:24px;max-width:760px;box-shadow:var(--shadow-lg)}.form h2{font-size:1.5rem;font-weight:700;margin:0 0 24px;color:var(--text);font-family:Lexend,sans-serif}.form__row{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.form__row label{font-weight:600;color:var(--text);font-size:.9375rem;margin-bottom:4px}.form__inline{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form input,.form select,.form textarea{padding:11px 16px;border-radius:var(--r);border:none;background:var(--bg);color:var(--text);font-size:.9375rem;transition:all .2s;font-family:inherit}.form input:focus,.form select:focus,.form textarea:focus{outline:none;box-shadow:0 0 0 2px var(--primary)}.preview{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}.preview img{width:100px;height:100px;-o-object-fit:cover;object-fit:cover;border-radius:var(--r-sm);border:none;transition:all .2s;cursor:pointer;box-shadow:var(--shadow)}.preview img:hover{box-shadow:var(--shadow-md);transform:scale(1.05)}.form__actions{display:flex;justify-content:flex-end;margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}.chat{display:grid;grid-template-columns:320px 1fr;gap:16px}.chat__threads{background:var(--card);border:none;border-radius:var(--r-lg);overflow:auto;max-height:70vh;box-shadow:var(--shadow)}.thread{padding:12px;border-bottom:1px solid var(--line);cursor:pointer}.thread.active{background:var(--primary-light)}.chat__room{display:flex;flex-direction:column;background:var(--card);border:none;border-radius:var(--r-lg);max-height:70vh;box-shadow:var(--shadow)}.chat__roomHeader{padding:12px;border-bottom:1px solid var(--line)}.messages{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:10px;background:var(--bg)}.msg{max-width:70%;padding:10px 14px;border-radius:16px;border:none}.msg--me{align-self:flex-end;background:var(--primary-light);color:var(--primary)}.msg--other{align-self:flex-start;background:var(--card);color:var(--text);box-shadow:var(--shadow)}.messageForm{display:flex;gap:8px;border-top:1px solid var(--line);padding:12px;background:var(--card);border-bottom-left-radius:var(--r-lg);border-bottom-right-radius:var(--r-lg)}.footer{padding:20px;color:var(--muted);text-align:center}@media (max-width:900px){.product,.chat{grid-template-columns:1fr}.chat__threads,.chat__room{max-height:unset}}@media (max-width: 640px){.filters{padding:10px 12px;gap:10px;flex-direction:column;align-items:stretch}.filters__search input{width:100%;max-width:100%;padding:12px 16px}.filters__chips{gap:6px}.chip{padding:7px 12px;font-size:14px}.select{width:100%;padding:11px 14px;font-size:15px}.container{padding:12px}.grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.card img{height:140px}.card .card__body{padding:10px}.product{gap:16px}.chat{grid-template-columns:1fr;gap:12px}.chat__threads,.chat__room{max-height:unset}.fab{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));width:52px;height:52px;font-size:20px}.card,.form,.chat__threads,.chat__room{border-radius:16px}}