:root{--bg:#f4f5f7;--surface:#ffffff;--ink:#16181d;--sub:#7a8089;--faint:#b3b9c2;--line:#e8eaee;--brand:#2b5df5;--brand-soft:#eef2ff;--best:#e8434a;--best-soft:#fff0f0;--radius:16px;--shadow:0 1px 2px rgba(22,24,29,0.05),0 4px 16px rgba(22,24,29,0.05)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif;font-size:15px;line-height:1.55;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}.app{max-width:440px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:9px;padding:13px 18px;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.back-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);width:32px;height:32px;border-radius:10px;font-size:21px;line-height:1;padding:0 0 3px;cursor:pointer;flex-shrink:0}.back-btn:active{background:#f2f3f5}.home-link{gap:9px;border:none;background:none;padding:0;cursor:pointer;font-family:inherit;color:inherit}.home-link,.logo-mark{display:inline-flex;align-items:center}.logo-mark{justify-content:center;width:26px;height:26px;border-radius:8px;background:var(--brand);color:#fff;font-size:15px;font-weight:800}.topbar h1{margin:0;font-size:16.5px;font-weight:800;letter-spacing:-.02em}.topbar .tag{margin-left:auto;font-size:11.5px;color:var(--faint);font-weight:500}.content{flex:1 1;padding:16px 16px 8px}.hero{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:34px 22px 26px;text-align:center;box-shadow:var(--shadow)}.hero-icon{width:68px;height:68px;margin:0 auto;display:flex;align-items:center;justify-content:center;font-size:32px;border-radius:22px;background:linear-gradient(145deg,var(--brand-soft),#f6f8ff);border:1px solid #e3e9ff}.hero h2{margin:16px 0 6px;font-size:20px;font-weight:800;letter-spacing:-.02em}.hero p{margin:0 0 22px;color:var(--sub);font-size:14px}.actions{display:flex;flex-direction:column;gap:10px}.how{list-style:none;margin:14px 0 0;padding:4px 6px;display:flex;gap:8px;counter-reset:step}.how li{flex:1 1;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 10px 11px;text-align:center;counter-increment:step}.how li:before{content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:11px;font-weight:800;margin-bottom:6px}.how b{display:block;font-size:13px;letter-spacing:-.01em}.how span{display:block;margin-top:2px;font-size:11px;color:var(--sub);line-height:1.45;word-break:keep-all}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;width:100%;height:52px;border:none;border-radius:14px;font-size:15.5px;font-weight:700;letter-spacing:-.01em;cursor:pointer;background:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(43,93,245,.28);transition:transform .06s,opacity .15s}.btn:active{transform:scale(.985);opacity:.9}.btn:disabled{opacity:.5;cursor:default}.btn.secondary{background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:none}.btn.wide{margin-top:2px}.btn-ico{font-size:17px}.hidden-input{display:none}.banner{font-size:12.5px;background:#fff8e6;color:#8a6100;border:1px solid #f5e3ad;padding:10px 14px}.alert,.banner{border-radius:12px;margin-bottom:12px}.alert{padding:12px 14px;font-size:13.5px}.alert.error{background:var(--best-soft);color:#b3262c;border:1px solid #f6cdd0}.alert.notice{background:var(--brand-soft);color:#274bbf;border:1px solid #dbe4ff}.preview{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:12px}.preview img{width:100%;max-height:220px;object-fit:cover;display:block}.searchbox{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:15px 16px 13px;box-shadow:var(--shadow);margin-bottom:12px}.searchbox .label{font-size:11.5px;font-weight:700;color:var(--sub);margin-bottom:8px;text-transform:uppercase;letter-spacing:.02em}.searchbox .row{display:flex;gap:8px}.searchbox input{flex:1 1;min-width:0;border:1.5px solid var(--line);border-radius:11px;padding:11px 13px;font-size:15px;font-family:inherit;color:var(--ink);background:#fafbfc}.searchbox input:focus{outline:none;border-color:var(--brand);background:#fff}.mini-search{flex-shrink:0;border:none;border-radius:11px;padding:0 16px;font-size:14px;font-weight:700;font-family:inherit;background:var(--ink);color:#fff;cursor:pointer}.mini-search:active{opacity:.85}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.chip{border:1px solid var(--line);background:#f7f8fa;color:#4a515c;border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:600;font-family:inherit;cursor:pointer;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chip.on{background:var(--brand-soft);border-color:#c9d6ff;color:var(--brand)}.chip:active{opacity:.7}.searchbox .meta{margin-top:8px;font-size:12px;color:var(--faint)}.sorttabs{display:flex;gap:4px;background:#e9ebef;border-radius:12px;padding:4px;margin:2px 0 12px}.sorttabs button{flex:1 1;border:none;background:transparent;border-radius:9px;padding:9px 0;font-size:13.5px;font-weight:700;font-family:inherit;color:var(--sub);cursor:pointer;transition:all .15s}.sorttabs button.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px rgba(22,24,29,.12)}.sorttabs.skeleton-dim{opacity:.55;pointer-events:none}.offers{display:flex;flex-direction:column;gap:9px}.offer{position:relative;display:flex;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:13px 14px 13px 13px;box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .06s}.offer:active{transform:scale(.99)}.offer.best{border:1.5px solid #f3b6b9;background:linear-gradient(180deg,#fffafa,#fff)}.rank{position:absolute;top:-7px;left:12px;background:var(--ink);color:#fff;font-size:10.5px;font-weight:800;border-radius:7px;padding:2px 7px;letter-spacing:.01em}.rank.best{background:var(--best)}.offer .thumb{width:64px;height:64px;flex-shrink:0;border-radius:12px;background:#f3f4f6;object-fit:cover;border:1px solid var(--line)}.offer .thumb.ph{display:flex;align-items:center;justify-content:center;font-size:24px}.offer .info{flex:1 1;min-width:0}.offer .mall{font-size:11.5px;color:var(--brand);font-weight:800;letter-spacing:-.01em}.offer .name{font-size:13px;color:#3d434c;margin:2px 0 7px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.offer .bottom{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.offer .price{font-size:18.5px;font-weight:800;letter-spacing:-.02em}.offer.best .price{color:var(--best)}.offer .price em{font-style:normal;font-size:13px;font-weight:700;margin-left:1px}.unit-pill{font-size:11px;font-weight:700;color:#5b6472;background:#f1f3f6;border-radius:7px;padding:2.5px 7px;white-space:nowrap}.offer .amount{margin-top:3px;font-size:11.5px;color:var(--faint)}.offer .go{color:#cfd4db;font-size:22px;font-weight:300;flex-shrink:0}.offer.skeleton{pointer-events:none}.shimmer{position:relative;overflow:hidden;background:#eef0f3}.shimmer:after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);animation:shimmer 1.3s infinite}@keyframes shimmer{to{transform:translateX(100%)}}.sk-line{height:12px;border-radius:6px;margin-bottom:8px}.sk-line.w40{width:40%}.sk-line.w90{width:90%}.sk-line.w60{width:60%;margin-bottom:0}.state{text-align:center;padding:44px 20px;color:var(--sub)}.state-text{font-size:14px}.state-text b{color:var(--ink)}.spinner{width:30px;height:30px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;margin:0 auto 16px;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.footer-actions{margin-top:14px}.foot{padding:18px 24px 26px;text-align:center;font-size:11px;color:var(--faint);line-height:1.6;word-break:keep-all}.scanner{position:fixed;inset:0;background:#000;z-index:50;display:flex;flex-direction:column}.scanner-top{display:flex;align-items:center;gap:12px;padding:calc(14px + env(safe-area-inset-top)) 16px 14px;color:#fff;font-size:13px;z-index:2}.scanner-top button{background:rgba(255,255,255,.16);color:#fff;border:none;border-radius:9px;padding:8px 13px;font-size:14px;font-family:inherit;cursor:pointer}.scanner-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.scan-frame{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:74%;height:132px;border:2.5px solid #fff;border-radius:14px;box-shadow:0 0 0 9999px rgba(0,0,0,.42)}.scanner-err{position:absolute;bottom:44px;left:0;right:0;text-align:center;color:#fecaca;font-size:13px;padding:0 20px;z-index:2}