:root{color-scheme:light;--bg:#f3f6fb;--card:#fff;--text:#101828;--muted:#667085;--line:#d8e1ef;--primary:#2563eb;--primary2:#1d4ed8;--navy:#0f172a;--ok:#0f9f6e;--danger:#dc2626;--shadow:0 16px 44px rgba(15,23,42,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Pretendard,"Noto Sans KR",system-ui,sans-serif;background:var(--bg);color:var(--text)}button,input,select{font:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:999;background:#fff;color:#111;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}.hero{background:linear-gradient(135deg,#091426,#102b57 58%,#153f80);color:#fff;padding:28px 0}.hero-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:28px;align-items:center}.back-link{border:0;background:transparent;color:#bfdbfe;padding:0;cursor:pointer}.title-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.hero h1{margin:12px 0 8px;font-size:clamp(28px,4vw,46px);letter-spacing:-.04em}.hero p{margin:0;color:#dbeafe;line-height:1.7}.turbo{background:#1768ff;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800}.hero-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.hero-badges span{padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.12);font-size:12px}.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hero-actions div{padding:16px;border:1px solid rgba(255,255,255,.2);border-radius:14px;background:rgba(255,255,255,.06);text-align:center;font-weight:700}.main{padding:24px 0 54px}.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:22px;margin-bottom:20px}.compact-panel{padding:16px 20px}.workflow p{margin:12px 0 0;color:var(--muted);text-align:center}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.step{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-radius:12px;background:#f8fafc;color:#94a3b8;font-weight:700}.step b{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#e2e8f0}.step.active{background:#eff6ff;color:#1d4ed8}.step.active b{background:#2563eb;color:white}.step.done{background:#ecfdf3;color:#087f5b}.step.done b{background:#10b981;color:#fff}.upload-panel{padding:0;overflow:hidden}.drop{border:2px dashed #86aef2;border-radius:18px;padding:36px 20px;text-align:center;background:#fff;transition:.2s;margin:18px}.drop.drag{background:#eaf2ff;border-color:var(--primary);transform:translateY(-1px)}.upload-icon{font-size:42px}.drop h2{margin:8px 0;font-size:24px}.drop p{color:var(--muted)}.support{font-size:13px}.inline-pick{border:0;background:transparent;color:#2563eb;font-weight:800;cursor:pointer;padding:0}.transfer-notice{width:min(620px,100%);margin:14px auto 0;padding:11px;border-radius:12px;background:#ecfdf3;color:#087f5b;font-weight:700}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}.trust-grid>div{border:1px solid #dbe5f3;border-radius:12px;padding:13px;background:#f8fbff}.trust-grid b,.trust-grid span{display:block}.trust-grid span{font-size:12px;color:#6b7b91;line-height:1.45;margin-top:5px}.empty-hint{text-align:center;color:#7b8ba1;margin:4px 0 20px}.primary,.secondary,.danger,.remove-btn{border:0;border-radius:10px;padding:11px 16px;cursor:pointer;font-weight:800}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary2)}.secondary{background:#e8eef8;color:#20304d}.danger,.remove-btn{background:#fee2e2;color:#991b1b}.primary:disabled,.secondary:disabled{opacity:.45;cursor:not-allowed}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fbfcfe}.stat span{display:block;color:var(--muted);font-size:13px}.stat strong{display:block;margin-top:7px;font-size:20px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}.section-head h2{margin:3px 0 0}.eyebrow{font-size:11px;color:#2563eb;font-weight:900;letter-spacing:.12em}.section-note{color:var(--muted);font-size:13px}.options{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.field label{display:block;font-weight:800;margin-bottom:7px}.field input,.field select{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fff}.no-options{padding:16px;border-radius:12px;background:#f8fafc;color:#667085}.files{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.file-card{position:relative;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.thumb-wrap{height:160px;display:grid;place-items:center;background:#f4f7fb}.thumb-wrap img{max-width:100%;max-height:100%;object-fit:contain}.file-meta{padding:13px}.file-meta strong,.file-meta span{display:block}.file-meta strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta span{font-size:12px;color:var(--muted);margin-top:5px}.remove-btn{width:calc(100% - 20px);margin:0 10px 10px;padding:9px}.actions{display:flex;gap:10px;flex-wrap:wrap}.progress{height:10px;background:#e5e7eb;border-radius:999px;overflow:hidden;margin-top:16px}.progress>i{display:block;height:100%;width:0;background:linear-gradient(90deg,#2563eb,#06b6d4);transition:width .2s}.result{display:grid;gap:10px}.result-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px}.result-row small{color:var(--muted)}.note{padding:12px 14px;border-radius:12px;background:#eff6ff;color:#1e40af}.error{background:#fef2f2;color:#991b1b}.hidden{display:none!important}button:focus-visible,.drop:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-actions{display:none}.trust-grid{grid-template-columns:1fr 1fr}.grid,.options{grid-template-columns:1fr 1fr}}@media(max-width:600px){.wrap{width:min(100% - 18px,1180px)}.steps{grid-template-columns:1fr 1fr}.step{justify-content:flex-start}.grid,.options,.trust-grid{grid-template-columns:1fr}.panel{padding:16px}.drop{margin:10px;padding:28px 12px}.result-row{align-items:flex-start;flex-direction:column}.section-head{align-items:flex-start}.files{grid-template-columns:1fr 1fr}.thumb-wrap{height:130px}}@media(max-width:420px){.files{grid-template-columns:1fr}}


/* v1.11 format-aware specialization */
.special-profile{border:1px solid #bfdbfe;background:linear-gradient(135deg,#eff6ff 0%,#fff 70%)}
.special-profile-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.special-profile-head h2{margin:4px 0 0}
.special-badge{white-space:nowrap;background:#dbeafe;color:#1d4ed8;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}
.special-purpose{color:#334155;line-height:1.7}.special-profile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.special-profile-grid article{background:#fff;border:1px solid #dbe3ef;border-radius:14px;padding:15px}.special-profile-grid h3{margin:0 0 8px;font-size:15px}
.special-profile-grid ul{margin:0;padding-left:19px;color:#475569;line-height:1.65}.special-profile-grid p{margin:0;color:#475569;line-height:1.65}
.special-profile-grid .special-warning{border-color:#fed7aa;background:#fff7ed}.special-profile-grid .special-pro{border-color:#c4b5fd;background:#f5f3ff}
@media(max-width:720px){.special-profile-grid{grid-template-columns:1fr}.special-profile-head{align-items:center}}

.field-wide{grid-column:1/-1}.field-label{display:block;font-weight:800;margin-bottom:8px}.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px}.check-grid label{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}.check-grid input{width:auto;margin:0}.check-grid label:has(input:checked){border-color:#60a5fa;background:#eff6ff;color:#1d4ed8}.field-help{display:block;margin-top:7px;color:var(--muted);line-height:1.5}

/* v1.17 PDF output specialization */
.pdf-order-badge{position:absolute;z-index:2;top:8px;left:8px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#1d4ed8;color:#fff;font-weight:900;box-shadow:0 4px 12px #0002}.pdf-order-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 10px 10px}.pdf-order-actions button{border:1px solid var(--line);background:#f8fafc;border-radius:9px;padding:8px;cursor:pointer;font-weight:900}.file-card.dragging{opacity:.55;outline:3px solid #93c5fd}

/* v1.21 developer utility specialization */
.result-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
@media(max-width:600px){.result-actions{width:100%}.result-actions button{flex:1}}

/* v1.84.0 unified native picker fallback */
.native-fallback-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:12px 0 4px;color:#64748b;font-size:12px}.native-fallback-row label{cursor:pointer}.native-fallback-input{display:block;width:min(520px,100%);margin:10px auto 0;padding:9px;border:1px solid #dbe5f3;border-radius:10px;background:#f8fafc;color:#334155}.native-fallback-input::file-selector-button{margin-right:10px;border:0;border-radius:8px;padding:9px 13px;background:#2563eb;color:#fff;font-weight:800;cursor:pointer}


/* v1.89.0 PNG PRO workflow presets and resilient batch processing */
.preset-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:-4px 0 10px;padding:12px;border:1px solid #dbe5f3;border-radius:14px;background:#f8fbff}.preset-bar>span{font-size:12px;font-weight:900;color:#475569;margin-right:3px}.preset-bar button{border:1px solid #cbd5e1;border-radius:999px;padding:8px 12px;background:#fff;color:#334155;font-weight:800;cursor:pointer}.preset-bar button:hover,.preset-bar button.active{border-color:#2563eb;background:#eff6ff;color:#1d4ed8}.preset-bar .preset-reset{margin-left:auto;background:#f8fafc}.settings-memory{margin:0 0 16px;color:#64748b;font-size:12px}.cancel-action{background:#fff7ed;color:#9a3412;border:1px solid #fed7aa}.result-failed{border-color:#fecaca;background:#fff7f7}.result-failed small{color:#991b1b}.failure-badge{white-space:nowrap;padding:6px 10px;border-radius:999px;background:#fee2e2;color:#991b1b;font-size:12px;font-weight:900}@media(max-width:600px){.preset-bar .preset-reset{margin-left:0}.preset-bar button{flex:1 1 auto}.failure-badge{align-self:flex-start}}


/* v3.16.8 PNG special converter batch status */
.batch-summary{display:flex;gap:8px;flex-wrap:wrap;margin:-4px 0 16px}.batch-summary span{padding:8px 11px;border:1px solid #dbe5f3;border-radius:999px;background:#f8fafc;color:#475569;font-size:12px}.batch-summary b{margin-left:4px;color:#0f172a}.file-state-line{display:flex!important;align-items:center;gap:7px;flex-wrap:wrap;margin-top:9px}.file-state-line small{color:#64748b;overflow-wrap:anywhere}.file-status{display:inline-flex!important;width:max-content;padding:4px 8px;border-radius:999px;font-size:11px!important;font-weight:900}.status-waiting{background:#f1f5f9;color:#475569}.status-processing{background:#dbeafe;color:#1d4ed8}.status-completed{background:#dcfce7;color:#166534}.status-failed{background:#fee2e2;color:#991b1b}.status-cancelled{background:#ffedd5;color:#9a3412}.file-card[data-status=processing]{border-color:#60a5fa;box-shadow:0 0 0 3px #dbeafe}.file-card[data-status=completed]{border-color:#86efac}.file-card[data-status=failed]{border-color:#fca5a5;background:#fffafa}.file-card[data-status=cancelled]{border-color:#fdba74}.remove-btn:disabled{opacity:.45;cursor:not-allowed}.retry-failed{border:1px solid #fecaca;background:#fff7f7;color:#991b1b}@media(max-width:600px){.batch-summary{display:grid;grid-template-columns:1fr 1fr}.batch-summary span{text-align:center}}


/* v3.17.0 JPG/PDF benchmark plan */
.pdf-plan{display:block}.pdf-plan[hidden]{display:none}.pdf-plan-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.pdf-plan-head h2{margin:.2rem 0 0}.pdf-plan-head>strong{font-size:1.15rem;padding:.55rem .8rem;border-radius:12px;background:#eef4ff;color:#1d4ed8}.pdf-plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}.pdf-plan-grid>div{padding:12px;border:1px solid #dbe4f0;border-radius:12px;background:#f8fafc}.pdf-plan-grid span{display:block;font-size:.78rem;color:#64748b;margin-bottom:4px}.pdf-plan-order{margin-top:16px}.pdf-plan-order h3{margin:0 0 8px}.pdf-plan-order ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}.pdf-plan-order li{display:flex;gap:7px;align-items:center;max-width:220px;padding:7px 10px;border-radius:999px;background:#f1f5f9}.pdf-plan-order li b{display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:#2563eb;color:#fff;font-size:.75rem}.pdf-plan-order li span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-plan-order p{margin:9px 0 0;color:#64748b;font-size:.86rem}.pdf-plan-warnings,.pdf-plan-ok{margin-top:14px;padding:12px 14px;border-radius:12px}.pdf-plan-warnings{background:#fff7ed;border:1px solid #fdba74}.pdf-plan-warnings ul{margin:6px 0 0 1.1rem}.pdf-plan-ok{background:#ecfdf5;border:1px solid #86efac;color:#166534}@media(max-width:760px){.pdf-plan-head{display:block}.pdf-plan-head>strong{display:inline-block;margin-top:10px}.pdf-plan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}