:root{--bg: #f6f7f9;--card: #ffffff;--text: #1a1a1a;--muted: #6b7280;--accent: #1877f2;--accent-hover: #166fe5;--danger: #dc2626;--ok: #16a34a;--bar-bg: #e5e7eb;--bar-fill: #1877f2;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .08);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{min-height:100%;background:var(--bg);color:var(--text)}.app-shell{max-width:480px;margin:0 auto;padding:16px;min-height:100vh}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.cover{width:100%;aspect-ratio:16 / 10;object-fit:cover;border-radius:8px;background:var(--bar-bg);margin-bottom:14px}h1{font-size:1.15rem;font-weight:650;line-height:1.35;margin-bottom:8px}.muted{color:var(--muted);font-size:.875rem}.price-row{display:flex;align-items:baseline;gap:10px;margin:12px 0;flex-wrap:wrap}.price-now{font-size:1.5rem;font-weight:700;color:var(--accent)}.price-origin{text-decoration:line-through;color:var(--muted);font-size:.9rem}.price-target{font-size:.875rem;color:var(--muted)}.progress-wrap{margin:14px 0 8px}.progress-bar{height:10px;background:var(--bar-bg);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:var(--bar-fill);border-radius:999px;transition:width .3s ease}.countdown{font-variant-numeric:tabular-nums;font-size:.9rem;margin-top:8px}.helpers{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.helper{display:flex;flex-direction:column;align-items:center;width:52px}.helper img{width:36px;height:36px;border-radius:50%;object-fit:cover;background:var(--bar-bg)}.helper span{font-size:.7rem;color:var(--muted);margin-top:4px;max-width:52px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.form{display:flex;flex-direction:column;gap:12px;margin-top:12px}.form label{display:flex;flex-direction:column;gap:6px;font-size:.875rem}.form input,.form textarea{border:1px solid #d1d5db;border-radius:8px;padding:10px 12px;font-size:1rem;font-family:inherit}.form textarea{min-height:72px;resize:vertical}.sku-field{display:flex;flex-direction:column;gap:8px}.sku-label{font-size:.875rem;color:var(--text);font-weight:500}.sku-empty{margin:0}.sku-picker{display:flex;flex-direction:column;gap:8px}.sku-meta{margin:0;font-size:.8125rem}.sku-grid-wrap{position:relative}.sku-grid-wrap.is-scrollable{max-height:340px;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding-bottom:4px;-webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 calc(100% - 28px),transparent 100%);mask-image:linear-gradient(to bottom,#000 0%,#000 calc(100% - 28px),transparent 100%)}.sku-scroll-hint{margin:0;font-size:.75rem;text-align:center}.sku-toggle{align-self:center;border:none;background:transparent;color:var(--accent);font-size:.875rem;font-weight:600;padding:4px 8px;cursor:pointer}.sku-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.sku-card{display:flex;flex-direction:column;align-items:stretch;padding:0;border:1.5px solid #e5e7eb;border-radius:12px;background:#fff;overflow:hidden;cursor:pointer;text-align:left;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease;-webkit-tap-highlight-color:transparent}.sku-card:hover:not(:disabled){border-color:var(--accent);box-shadow:0 2px 8px #1877f21f}.sku-card.is-selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.sku-card.is-disabled,.sku-card:disabled{opacity:.55;cursor:not-allowed}.sku-card-media{width:100%;aspect-ratio:1;background:#f3f4f6}.sku-card-img{width:100%;height:100%;object-fit:cover;display:block}.sku-card-img--placeholder{background:linear-gradient(135deg,#eef2f7,#e5e7eb)}.sku-card-body{display:flex;flex-direction:column;gap:4px;padding:8px 10px 10px;min-height:52px}.sku-card-text{font-size:.8125rem;line-height:1.35;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.sku-card.is-selected .sku-card-text{color:var(--accent);font-weight:600}.sku-card-tag{font-size:.6875rem;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;border:none;border-radius:10px;padding:12px 16px;font-size:1rem;font-weight:600;cursor:pointer;background:var(--accent);color:#fff;margin-top:16px}.btn:hover:not(:disabled){background:var(--accent-hover)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}.btn-secondary{background:#fff;color:var(--accent);border:1px solid var(--accent)}.state{text-align:center;padding:40px 16px;color:var(--muted)}.error-box{background:#fef2f2;color:var(--danger);border-radius:var(--radius);padding:16px;text-align:center}.error-box .btn{margin-top:16px}.ok-box{text-align:center;padding:24px 8px}.ok-amount{font-size:2rem;font-weight:700;color:var(--ok);margin:12px 0}.detail-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid #f0f0f0;font-size:.9rem}.detail-row:last-child{border-bottom:none}.detail-label{color:var(--muted);flex-shrink:0}.detail-value{text-align:right;word-break:break-all}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%);background:#1a1a1ae0;color:#fff;padding:10px 16px;border-radius:8px;font-size:.875rem;max-width:90vw;z-index:100}.lang-bar{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-bottom:12px}.lang-label{font-size:.8rem;color:var(--muted)}.lang-select{font-size:.8rem;padding:4px 8px;border:1px solid #d1d5db;border-radius:6px;background:#fff;color:var(--text)}