:root{--bg:#f7f7f8;--surface:#fff;--text:#18181b;--muted:#6b6b76;--border:#e4e4e7;--accent:#dc2626;--accent-hover:#b91c1c;--accent-soft:#fef2f2;--on-accent:#fff;--radius:12px;--shadow:0 4px 16px #0000000f;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#111113;--surface:#1b1b1f;--text:#ededef;--muted:#a0a0ab;--border:#2e2e35;--accent:#f87171;--accent-hover:#fca5a5;--accent-soft:#2a1416;--on-accent:#1b0b0b;color-scheme:dark}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);flex-direction:column;min-height:100vh;margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;display:flex}.wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--border);background:var(--surface)}.site-header .wrap{align-items:center;gap:16px;height:60px;display:flex}.brand{color:var(--text);align-items:center;gap:8px;font-size:20px;font-weight:800;text-decoration:none;display:flex}.brand-mark{background:var(--accent);width:28px;height:28px;color:var(--on-accent);border-radius:8px;place-items:center;font-size:15px;display:grid}.header-note{color:var(--muted);margin-left:auto;font-size:14px}.lang-select{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;border-radius:8px;padding:6px 10px;font-size:14px}@media (width<=600px){.header-note{display:none}.lang-select{margin-left:auto}}main{flex:1;min-height:calc(100vh - 60px);padding-bottom:64px}.hero{text-align:center;padding:64px 20px 40px}.hero h1{letter-spacing:-.02em;margin:0 0 16px;font-size:clamp(32px,6vw,52px);line-height:1.1}.hero em{color:var(--accent);font-style:normal}.lead{color:var(--muted);max-width:620px;margin:0 auto;font-size:18px}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:inherit;padding:24px;text-decoration:none;transition:all .15s;display:block}.card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.icon{background:var(--accent-soft);width:44px;height:44px;color:var(--accent);border-radius:10px;place-items:center;margin-bottom:16px;display:grid}.icon svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:24px;height:24px}.card h2{margin:0 0 4px;font-size:18px}.card p,.why p{color:var(--muted);margin:0;font-size:15px}.why{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-top:56px;display:grid}.why h3{margin:0 0 4px;font-size:16px}.tool{max-width:900px;padding-top:32px}.back{color:var(--muted);font-size:14px;text-decoration:none}.tool h1{margin:12px 0 4px;font-size:32px}.tool .lead{margin:0 0 24px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;text-align:center;flex-direction:column;align-items:center;gap:8px;padding:48px 20px;transition:all .15s;display:flex}.dropzone:hover,.dropzone.over{border-color:var(--accent);background:var(--accent-soft)}.dropzone strong{background:var(--accent);color:var(--on-accent);border-radius:999px;padding:10px 22px}.dropzone span{color:var(--muted);font-size:14px}.dropzone.compact{flex-direction:row;justify-content:center;padding:18px}.dropzone.loading{opacity:.6;pointer-events:none}button{font:inherit;cursor:pointer}.primary{background:var(--accent);color:var(--on-accent);border:0;border-radius:999px;padding:12px 28px;font-size:16px;font-weight:600}.primary:hover:not(:disabled){background:var(--accent-hover)}.primary:disabled{opacity:.5;cursor:not-allowed}.link{color:var(--accent);background:0 0;border:0;padding:0;font-weight:600}.actions{flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;display:flex}.muted{color:var(--muted);font-size:14px}.file-list{flex-direction:column;gap:8px;margin:16px 0 0;padding:0;list-style:none;display:flex}.file-list li,.file-chip{background:var(--surface);border:1px solid var(--border);border-radius:10px;align-items:center;gap:12px;padding:10px 14px;display:flex}.file-chip{margin-bottom:20px}.grip{color:var(--muted);cursor:grab;user-select:none}.name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-weight:500;overflow:hidden}.size{color:var(--muted);font-size:14px}.icon-btn{width:28px;height:28px;color:var(--muted);background:0 0;border:1px solid #0000;border-radius:8px;place-items:center;padding:0;font-size:15px;display:inline-grid}.icon-btn:hover{background:var(--bg);color:var(--text);border-color:var(--border)}.dragging{opacity:.4}.options{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:14px;margin-top:16px;padding:20px;display:flex}.opt{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.row{flex-wrap:wrap;gap:20px;display:flex}.field{flex-direction:column;gap:6px;font-size:14px;font-weight:500;display:flex}.text{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:8px 12px}.narrow{width:80px}.sub{padding-left:28px}.page-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:16px;display:grid}.page-card{background:var(--surface);border:1px solid var(--border);cursor:grab;border-radius:10px;overflow:hidden}.thumb{background:var(--bg);place-items:center;height:170px;display:grid;position:relative}.thumb-canvas{line-height:0;transition:transform .2s}.thumb canvas{max-width:120px;max-height:120px;box-shadow:0 1px 4px #00000040}.thumb img{object-fit:contain;max-width:90%;max-height:150px}.page-num{background:var(--surface);border:1px solid var(--border);color:var(--muted);border-radius:6px;padding:0 6px;font-size:12px;position:absolute;top:6px;left:6px}.page-bar{border-top:1px solid var(--border);justify-content:center;gap:2px;padding:4px;display:flex}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:22px;height:22px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.result{border-radius:var(--radius);background:var(--accent-soft);margin-top:20px;padding:16px 20px}.toast{opacity:0;background:var(--text);color:var(--bg);z-index:10;border-radius:10px;max-width:calc(100% - 32px);padding:12px 20px;transition:all .25s;position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px)}.toast.show{opacity:1;transform:translate(-50%)}.toast.error{color:#fff;background:#b91c1c}.ad-slot{max-width:728px;min-height:90px;margin:0 auto 32px}footer{border-top:1px solid var(--border);color:var(--muted);padding:24px 0;font-size:14px}.footer{flex-wrap:wrap;justify-content:space-between;gap:8px 24px;display:flex}.footer p{margin:0}.footer nav{flex-wrap:wrap;gap:16px;display:flex}.footer a{color:inherit}.legal{max-width:760px;padding-top:32px}.legal h1{margin:12px 0 16px;font-size:32px}.legal h2{margin:28px 0 6px;font-size:18px}.legal p,.legal address{margin:0 0 10px}.legal address{font-style:normal}.legal a{color:var(--accent)}.legal dl{grid-template-columns:max-content 1fr;gap:4px 16px;display:grid}.legal dt{color:var(--muted)}.legal dd{margin:0}.licenses{margin:16px 0 0;padding:0;list-style:none}.licenses li{border-bottom:1px solid var(--border);padding:10px 0}.licenses summary{cursor:pointer;color:var(--muted);margin-top:4px;font-size:14px}.licenses pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px;font-size:12px}