:root{--bg: #f8f9fa;--panel: #ffffff;--panel2: #f1f3f4;--text: #1a1a2e;--muted: #6c757d;--border: #e9ecef;--primary: #4f46e5;--primary2: #06b6d4;--danger: #dc2626;--shadow: 0 4px 20px rgba(0, 0, 0, .08)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Apple Color Emoji","Segoe UI Emoji";background:linear-gradient(135deg,#f8f9fa,#e9ecef);color:var(--text)}a{color:inherit;text-decoration:none}h1,h2,h3{letter-spacing:-.02em}.container{max-width:1100px;margin:0 auto;padding:20px}.topbar{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffd9;border-bottom:1px solid var(--border)}.topbarInner{display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800}.brandMark{filter:drop-shadow(0 4px 12px rgba(79,70,229,.3))}.nav{display:flex;gap:6px;flex-wrap:wrap}.navLink{padding:8px 10px;border-radius:10px;color:var(--muted)}.navLink.active{background:var(--panel2);color:var(--text);border:1px solid var(--border)}.authBlock{display:flex;align-items:center;gap:10px}.main{min-height:calc(100vh - 120px)}.footer{border-top:1px solid var(--border);padding:20px 0}.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:var(--shadow)}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:12px;padding:10px 12px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600}.btn:hover{background:var(--panel2)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.primary{border:none;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}.btn.danger{background:#dc26261a;border-color:#dc26264d;color:var(--danger)}.field{display:grid;gap:6px}.label{font-size:12px;color:var(--muted)}.input{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--bg);color:var(--text)}.muted{color:var(--muted)}.error{color:var(--danger)}.link{text-decoration:underline;text-decoration-color:#0000001a}.badge{display:inline-flex;align-items:center;border:1px solid rgba(79,70,229,.25);background:#4f46e51a;padding:4px 8px;border-radius:999px;color:var(--primary);font-size:12px;font-weight:600}.hero{display:grid;gap:16px;grid-template-columns:1.4fr 1fr;align-items:start;margin-top:8px}.heroActions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.sectionHeader{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin:24px 0 10px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.cardLink{display:block}.cardLink:hover .card{background:var(--panel2)}.cardTop{display:flex;justify-content:space-between;gap:12px}.cardTitle{margin:0}.titleRow{display:flex;gap:10px;align-items:center}.price{text-align:right;font-weight:800}.priceBig{font-size:28px;font-weight:900}.metaRow{display:flex;justify-content:space-between;gap:12px;margin-top:10px}.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.row{display:flex;gap:12px;align-items:center}.stack{display:grid;gap:12px}.sep{border:none;border-top:1px solid var(--border);margin:12px 0}.twoCol{display:grid;grid-template-columns:1.4fr .6fr;gap:12px;align-items:start}.center{max-width:520px;margin:0 auto;padding:40px 0}.chat{display:grid;gap:10px;max-height:420px;overflow:auto;padding-right:6px}.bubble{background:var(--panel2);border:1px solid var(--border);padding:10px 12px;border-radius:14px;width:fit-content;max-width:80%}.bubble.mine{margin-left:auto;border-color:#06b6d44d;background:#06b6d41a}.bubbleText{white-space:pre-wrap}.bubbleMeta{margin-top:6px;font-size:12px;color:var(--muted)}.thumb{width:78px;height:78px;border-radius:14px;border:1px solid var(--border);object-fit:cover;background:var(--panel2)}.detailImage{width:100%;max-height:360px;border-radius:14px;border:1px solid var(--border);object-fit:cover;margin-bottom:12px;background:var(--panel2)}.placeholder{background:linear-gradient(135deg,#4f46e514,#06b6d40d),var(--panel2)}.browseLayout{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}.browseHeader{display:flex;gap:16px;align-items:flex-end;margin-bottom:20px}.browseMain{min-height:500px}@media(max-width:900px){.cards,.hero,.twoCol,.browseLayout{grid-template-columns:1fr}.filtersSidebar{order:2}.browseHeader{flex-direction:column;align-items:stretch}.browseHeader .field,.browseHeader select{width:100%}}