:root{
  --bg:#f6f8fb; --card:#ffffff; --ink:#1c2433; --muted:#5c6b82; --line:#e3e9f2;
  --accent:#2563eb; --accent-ink:#ffffff; --accent-soft:#eaf1fe;
  --ok:#16a34a; --ok-soft:#e9f9ef; --warn:#d97706; --err:#dc2626; --err-soft:#fdecec;
  --radius:14px; --shadow:0 1px 2px rgba(16,24,40,.05),0 4px 16px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
.wrap{max-width:880px;margin:0 auto;padding:20px 16px 64px}
header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 0 18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.brand .logo{width:38px;height:38px;border-radius:10px;display:block;object-fit:cover;border:1px solid rgba(28,36,51,.12)}
.lang-btn{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer;color:var(--muted);font-weight:600}
.lang-btn:hover{border-color:var(--accent);color:var(--accent)}
.tool-tabs{display:flex;justify-content:center;gap:6px;margin:0 auto 10px;padding:5px;width:max-content;max-width:100%;background:#e9eef6;border-radius:12px}
.tool-tab{border:0;background:transparent;color:var(--muted);border-radius:9px;padding:9px 18px;font-size:14px;font-weight:700;cursor:pointer}
.tool-tab.on{background:var(--card);color:var(--accent);box-shadow:0 1px 4px rgba(16,24,40,.12)}
.hero{text-align:center;padding:8px 0 20px}
.hero h1{font-size:clamp(22px,4.2vw,32px);margin:0 0 8px;letter-spacing:-.02em}
.hero p.sub{color:var(--muted);margin:0 auto;max-width:560px;font-size:15px}
.privacy{display:inline-flex;align-items:center;gap:8px;background:var(--ok-soft);color:var(--ok);border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;margin-top:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.drop{margin-top:18px;padding:44px 20px;text-align:center;border:2px dashed #c3d0e4;border-radius:var(--radius);background:var(--card);cursor:pointer;transition:all .15s}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.drop .big{font-size:17px;font-weight:700;margin:10px 0 4px}
.drop .small{color:var(--muted);font-size:13.5px}
.drop svg{opacity:.85}
input[type=file]{display:none}
.settings{margin-top:16px;padding:18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.set-group label.t{display:block;font-size:12.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{flex:1;border:0;background:transparent;padding:9px 4px;font-size:13.5px;cursor:pointer;color:var(--muted);font-weight:600;border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--accent);color:var(--accent-ink)}
select,input[type=number]{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:#fff;color:var(--ink)}
.qrow{display:flex;align-items:center;gap:10px}
input[type=range]{flex:1;accent-color:var(--accent)}
.qval{min-width:38px;text-align:right;font-variant-numeric:tabular-nums;font-weight:700;font-size:14px}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
.actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.btn{border:0;border-radius:11px;padding:13px 22px;font-size:15px;font-weight:700;cursor:pointer;transition:all .12s}
.btn.primary{background:var(--accent);color:#fff;flex:1;min-width:200px}
.btn.primary:hover{background:#1d4fd7}
.btn.primary:disabled{background:#a8bede;cursor:not-allowed}
.btn.ghost{background:var(--card);border:1px solid var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.ghost:disabled{opacity:.45;cursor:not-allowed}
.filelist{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.frow{display:flex;align-items:center;gap:12px;padding:12px 14px}
.thumb{width:52px;height:52px;border-radius:9px;object-fit:cover;background:#eef2f8;flex:none;border:1px solid var(--line)}
.thumb.ph{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:11px;font-weight:700}
.fmeta{flex:1;min-width:0}
.fname{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fsize{font-size:12.5px;color:var(--muted);margin-top:2px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.arrow{opacity:.5}
.saved{color:var(--ok);font-weight:700}
.grew{color:var(--warn);font-weight:700}
.fstat{font-size:12px;color:var(--muted);flex:none}
.spin{width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite;flex:none}
@keyframes sp{to{transform:rotate(360deg)}}
.mini{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px;font-size:12.5px;cursor:pointer;color:var(--ink);font-weight:600;flex:none}
.mini:hover{border-color:var(--accent);color:var(--accent)}
.mini.x{color:var(--muted)}
.mini.x:hover{color:var(--err);border-color:var(--err)}
.pdf-icon{width:52px;height:52px;border-radius:9px;background:#fff1f1;color:#dc2626;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex:none;border:1px solid #f7cccc}
.image-icon{width:52px;height:52px;border-radius:9px;object-fit:cover;background:#eef2f8;flex:none;border:1px solid var(--line)}
.pdf-modes{max-width:430px;margin:0 auto 16px}
.order-buttons{display:flex;gap:5px;flex:none}
.order-buttons .mini{min-width:34px;padding:6px 8px}
.order-buttons .mini:disabled{opacity:.3;cursor:not-allowed}
.pdf-note{margin-top:12px;color:var(--muted);font-size:12.5px;text-align:center}
.tool-panel[hidden]{display:none}
.err-badge{font-size:12px;color:var(--err);background:var(--err-soft);border-radius:7px;padding:4px 9px;font-weight:600;flex:none}
.summary{margin-top:16px;padding:16px 18px;display:none;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:linear-gradient(135deg,#eefaf2,#eaf1fe);border:1px solid #d3e8db}
.summary.show{display:flex}
.summary .txt{font-size:14.5px}
.summary .txt b{font-size:17px}
.faq{margin-top:44px}
.faq h2{font-size:19px;margin:0 0 6px}
.faq details{border-bottom:1px solid var(--line);padding:12px 2px}
.faq summary{font-weight:600;cursor:pointer;font-size:14.5px}
.faq p{color:var(--muted);font-size:14px;margin:8px 0 2px}
footer{margin-top:40px;text-align:center;color:var(--muted);font-size:12.5px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(80px);background:var(--ink);color:#fff;padding:11px 20px;border-radius:11px;font-size:14px;opacity:0;transition:all .25s;pointer-events:none;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media (max-width:560px){.frow{flex-wrap:wrap}.fmeta{min-width:60%}}