:root{color-scheme:dark;--bg:#07111d;--panel:#111f30;--line:#294157;--text:#f3f8fc;--muted:#91a9bd;--accent:#66d2ff;--danger:#ff7b86;--radius:18px;font-family:Inter,SUIT,"Pretendard Variable","Noto Sans KR",system-ui,sans-serif;letter-spacing:-.04em}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 85% -10%,#123751 0,transparent 34%),var(--bg);color:var(--text);min-height:100vh}.shell{width:min(1180px,calc(100% - 32px));margin:auto;padding:70px 0 90px}.hero{margin-bottom:34px}.eyebrow,.step{font:700 12px/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.14em;color:var(--accent)}h1{font-size:clamp(50px,8vw,92px);line-height:.9;margin:12px 0 20px}h2{display:inline;font-size:20px;margin-left:14px}.hero>p:not(.eyebrow){color:var(--muted);font-size:17px}.privacy{display:inline-flex;align-items:center;gap:9px;margin-top:10px;padding:9px 13px;border:1px solid #24516b;border-radius:999px;color:#b8e8fa;background:#0c2130}.privacy i{width:8px;height:8px;border-radius:50%;background:#64e5a3;box-shadow:0 0 12px #64e5a3}.panel{background:color-mix(in srgb,var(--panel) 93%,transparent);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-top:18px;box-shadow:0 18px 60px #0003}.panel p{color:var(--muted)}.upload-panel{display:grid;grid-template-columns:1fr 1.15fr;gap:20px;align-items:center}.drop{min-height:150px;border:1px dashed #4c718a;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;background:#0b1725;transition:.2s}.drop:hover,.drop.drag{border-color:var(--accent);background:#0c2233}.drop input{position:absolute;opacity:0;pointer-events:none}.drop-title{font-weight:750;font-size:17px;margin-bottom:8px}.drop span:last-child{color:var(--muted);font-size:13px}.source-preview{grid-column:1/-1;width:100%;max-height:460px;object-fit:contain;border-radius:12px;background:#050b12}.section-title{display:flex;align-items:center;justify-content:space-between}.section-title>div{display:flex;align-items:center}.text-button{border:0;background:transparent;color:var(--accent);cursor:pointer}.filter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:22px}.filter-card{position:relative;border:1px solid #2c455a;border-radius:13px;padding:16px;text-align:left;background:#0b1725;color:var(--text);cursor:pointer;min-height:105px}.filter-card:hover{border-color:#4e7994}.filter-card.selected{border-color:var(--accent);background:#102b3d;box-shadow:inset 0 0 0 1px var(--accent)}.filter-card b{display:block;font-size:14px;margin-bottom:8px}.filter-card small{color:var(--muted);line-height:1.45}.order{position:absolute;right:10px;top:10px;min-width:22px;height:22px;padding:0 6px;border-radius:999px;display:grid;place-items:center;background:var(--accent);color:#04101a;font-weight:800;font-size:11px}.sequence-option{display:flex;gap:12px;align-items:flex-start;margin-top:20px;padding:16px;border-radius:13px;background:#0b1725}.sequence-option input{margin-top:4px;accent-color:var(--accent)}.sequence-option b,.sequence-option small{display:block}.sequence-option small{color:var(--muted);margin-top:5px}.selection-summary{font-size:13px}.process-panel>div:first-child{display:flex;align-items:center}.actions{display:flex;gap:10px;justify-content:flex-end;margin:18px 0}.primary,.secondary,.download{border-radius:11px;padding:13px 20px;font-weight:800;cursor:pointer}.primary{border:0;background:var(--accent);color:#04121c}.primary:disabled{opacity:.35;cursor:not-allowed}.secondary,.download{border:1px solid #45647b;background:#0a1623;color:var(--text)}.danger{border-color:#6e3d49;color:#ffb7bd}.progress-track{height:5px;border-radius:99px;background:#06101a;overflow:hidden}.progress-track span{display:block;width:0;height:100%;background:var(--accent);transition:width .2s}.results{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.result-card{overflow:hidden;border:1px solid #294157;border-radius:14px;background:#091522}.result-card img{display:block;width:100%;aspect-ratio:4/3;object-fit:contain;background:#03080d}.result-info{padding:14px}.result-info b,.result-info small{display:block}.result-info small{color:var(--muted);margin:5px 0 12px}.download{display:inline-block;text-decoration:none;padding:9px 13px;font-size:13px}@media(max-width:850px){.shell{width:min(100% - 20px,1180px);padding-top:35px}.upload-panel{grid-template-columns:1fr}.filter-grid{grid-template-columns:repeat(2,1fr)}.results{grid-template-columns:1fr 1fr}}@media(max-width:520px){.panel{padding:18px}.filter-grid,.results{grid-template-columns:1fr}.section-title{align-items:flex-start}.actions{justify-content:stretch}.actions button{flex:1}}