:root{--primary: #3b82f6;--primary-dark: #2563eb;--bg: #f6f7f9;--surface: #ffffff;--border: #e5e7eb;--text: #0f172a;--muted: #6b7280;--danger: #b91c1c;--radius: 10px;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 12px rgba(15, 23, 42, .04)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border)}.app-logo{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;font-weight:700}.app-title{font-size:16px;font-weight:600;letter-spacing:-.01em}.app-badge{margin-left:6px;padding:1px 7px;border-radius:999px;background:#eef2ff;color:var(--primary-dark);font-size:11px;font-weight:600}.container{max-width:720px;margin:0 auto;padding:24px}.search-input{width:100%;padding:11px 14px;margin-bottom:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);font-size:15px;transition:border-color .15s,box-shadow .15s}.search-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f626}.item-row{display:flex;align-items:center;justify-content:space-between;height:calc(100% - 8px);padding:0 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);font-weight:500;transition:border-color .15s,transform .05s,box-shadow .15s}.item-row:not(.item-row--placeholder):hover{border-color:var(--primary);box-shadow:var(--shadow)}.item-row:not(.item-row--placeholder):after{content:"›";color:var(--muted);font-size:20px}.item-row--placeholder{background:var(--surface)}.placeholder-bar{width:45%;height:12px;border-radius:6px;background:linear-gradient(90deg,#eceef1 25%,#f4f5f7 37%,#eceef1 63%);background-size:400% 100%;animation:shimmer 1.3s ease-in-out infinite}.item-meta{margin-left:auto;margin-right:12px;padding:1px 9px;border-radius:999px;background:#eef2ff;color:var(--primary-dark);font-size:12px;font-weight:600}.skeleton-row{height:32px;margin-bottom:8px;border-radius:var(--radius);background:linear-gradient(90deg,#eceef1 25%,#f4f5f7 37%,#eceef1 63%);background-size:400% 100%;animation:shimmer 1.3s ease-in-out infinite}@keyframes shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}.list-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:14px;color:var(--muted);font-size:13px}.list-footer strong{color:var(--text)}.virt-note{color:var(--muted)}@media(max-width:480px){.virt-note{display:none}}.btn{padding:7px 16px;background:var(--surface);border:1px solid var(--border);border-radius:8px;font-weight:500;transition:background .15s,border-color .15s,color .15s}.btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary-dark)}.btn:disabled{opacity:.45;cursor:not-allowed}.muted{color:var(--muted)}.updating{font-size:12px;color:var(--muted)}.alert{display:flex;align-items:center;gap:10px;padding:12px 14px;margin-bottom:16px;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);color:var(--danger)}.detail-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.detail-card h2{margin:0 0 14px;font-size:22px;letter-spacing:-.01em}.detail-row{display:flex;gap:8px;padding:8px 0;border-top:1px solid var(--border)}.detail-label{width:90px;color:var(--muted)}.category-badge{padding:1px 9px;border-radius:999px;background:#eef2ff;color:var(--primary-dark);font-size:13px;font-weight:600}.price{font-weight:700;font-size:16px}.back-link{display:inline-block;margin-bottom:16px;color:var(--primary-dark);font-weight:500}