:root{--red:#e5322d;--ink:#202124;--muted:#69707d;--bg:#f7f7f8;--line:#e4e6ea;--green:#15803d}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff}header{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:10}.brand{font-size:27px;font-weight:900}.brand span{color:var(--red)}nav{display:flex;gap:25px;align-items:center}a{text-decoration:none;color:inherit}.hero{text-align:center;padding:78px 20px 62px;background:linear-gradient(180deg,#fff,#fff4f3)}.pill{display:inline-block;padding:8px 13px;border:1px solid #f3cbc9;border-radius:999px;color:#a92320;font-weight:700;font-size:13px}.hero h1{font-size:54px;line-height:1.04;margin:20px 0 15px}.hero h1 span{color:var(--red)}.hero p{max-width:720px;margin:auto;color:var(--muted);font-size:18px;line-height:1.6}.cta,.primary{display:inline-block;margin-top:24px;background:var(--red);color:#fff;border:0;border-radius:10px;padding:15px 23px;font-weight:800;cursor:pointer;font-size:15px}.wrap{max-width:1180px;margin:auto;padding:64px 20px}.wrap h2,.info h2,.privacy h2{text-align:center;font-size:34px;margin:0}.sub{text-align:center;color:var(--muted);margin:10px 0 32px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{border:1px solid var(--line);border-radius:14px;padding:23px;min-height:145px;box-shadow:0 5px 18px rgba(0,0,0,.035);transition:.2s;background:#fff}.card:hover{transform:translateY(-3px);border-color:#f0b3b0}.icon{font-size:30px;display:block;margin-bottom:15px}.card b{display:block;font-size:18px;margin-bottom:9px}.card small{font-size:14px;color:var(--muted);line-height:1.5}.info,.privacy{padding:60px 20px;background:var(--bg)}.steps{max-width:900px;margin:32px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:center}.steps div{background:#fff;padding:24px;border-radius:14px}.steps p,.privacy p{color:var(--muted)}.privacy{text-align:center;background:#fff}footer{text-align:center;padding:30px;color:var(--muted);border-top:1px solid var(--line)}.toolpage{background:var(--bg);min-height:100vh}.toolbox{max-width:940px;margin:48px auto;padding:0 20px;text-align:center}.toolbox h1{font-size:43px;margin-bottom:8px}.toolbox>p{color:var(--muted)}.drop{margin-top:28px;background:#fff;border:2px dashed #d6d9df;border-radius:18px;padding:48px 25px}.drop.drag{border-color:var(--red);background:#fff7f6}.drop input{display:none}.filelabel{display:inline-block;background:var(--red);color:#fff;padding:16px 25px;border-radius:10px;font-weight:800;cursor:pointer}.hint{font-size:13px;color:var(--muted);margin-top:12px}.settings{background:#fff;margin-top:18px;padding:20px;border-radius:14px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.settings input,.settings select{padding:11px;border:1px solid var(--line);border-radius:8px;background:white}.status{margin:18px;color:var(--muted);white-space:pre-wrap}.downloads a{display:inline-block;margin:6px;padding:11px 15px;border:1px solid var(--line);border-radius:8px;background:#fff}.tool-note{margin:25px auto;max-width:720px;color:var(--muted);font-size:13px}.adslot{max-width:1180px;margin:20px auto;padding:22px;border:1px dashed #cfd3da;border-radius:12px;text-align:center;color:#9aa0aa;font-size:13px;background:#fafafa}.badge{font-size:11px;background:#eef7f0;color:var(--green);padding:4px 7px;border-radius:999px;margin-left:6px}.soon{opacity:.65}.search{max-width:600px;margin:28px auto 0;position:relative}.search input{width:100%;padding:16px 18px;border:1px solid var(--line);border-radius:12px;font-size:16px;box-shadow:0 5px 20px rgba(0,0,0,.04)}@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){nav{display:none}.hero h1{font-size:38px}.grid,.steps{grid-template-columns:1fr}.toolbox h1{font-size:34px}}
.legal{max-width:820px;margin:60px auto;padding:0 22px;line-height:1.75}.legal h1{font-size:42px;margin-bottom:8px}.legal h2{margin-top:34px}.legal p{color:var(--muted)}.notice{padding:18px;border:1px solid #f0d1cf;background:#fff7f6;border-radius:12px;margin:24px 0}

/* V6.1 responsive card layout fix */
html,body{max-width:100%;overflow-x:hidden}
.search{width:min(600px,100%)}
.grid{align-items:stretch}
.card{display:flex;flex-direction:column;width:100%;min-width:0;height:100%;overflow:hidden;overflow-wrap:anywhere;word-break:normal}
.card .icon{line-height:1.15;flex:0 0 auto}
.card b,.card small{max-width:100%}
.card small{display:block}
@media(max-width:1100px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){header{height:auto;min-height:64px;padding:14px 20px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.wrap{padding:46px 18px}.hero{padding:56px 18px 48px}.hero h1{font-size:42px}.card{min-height:155px;padding:20px}}
@media(max-width:560px){.brand{font-size:24px}.hero{padding:42px 16px 38px}.hero h1{font-size:34px;line-height:1.12}.hero p{font-size:16px}.wrap{padding:38px 14px}.wrap h2,.info h2,.privacy h2{font-size:29px}.grid{grid-template-columns:1fr;gap:12px}.card{min-height:0;padding:20px;border-radius:13px}.icon{font-size:28px;margin-bottom:12px}.card b{font-size:17px}.card small{font-size:14px}.adslot{margin:14px}.toolbox{margin:32px auto;padding:0 14px}.toolbox h1{font-size:31px}.drop{padding:34px 16px}.settings{padding:15px}.settings input,.settings select{width:100%}}

/* FINAL: ad-safe responsive containers */
.adslot{min-height:90px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.adslot ins.adsbygoogle{width:100%}
@media(max-width:560px){.adslot{min-height:70px;padding:14px 8px}}

/* PREMIUM UI V7 — visual upgrade only; functionality unchanged */
:root{--primary:#6d5dfc;--primary2:#8b5cf6;--cyan:#0ea5e9;--soft:#f7f8ff;--shadow:0 16px 45px rgba(32,33,36,.10)}
body{background:linear-gradient(180deg,#ffffff 0,#fbfbff 55%,#fff 100%)}
header{background:rgba(255,255,255,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 4px 24px rgba(31,41,55,.05)}
.brand{letter-spacing:-1px}.brand span{background:linear-gradient(135deg,var(--primary),#ef4444);-webkit-background-clip:text;background-clip:text;color:transparent}
nav a{font-weight:650;color:#4b5563;transition:.2s}nav a:hover{color:var(--primary);transform:translateY(-1px)}
.hero{position:relative;overflow:hidden;padding:92px 20px 78px;background:radial-gradient(circle at 12% 20%,rgba(14,165,233,.13),transparent 28%),radial-gradient(circle at 88% 12%,rgba(139,92,246,.16),transparent 30%),linear-gradient(180deg,#fff,#f7f5ff)}
.hero:before,.hero:after{content:"";position:absolute;border-radius:999px;filter:blur(2px);opacity:.55;pointer-events:none;animation:floatBlob 7s ease-in-out infinite}.hero:before{width:150px;height:150px;left:-55px;top:70px;background:linear-gradient(135deg,#a5f3fc,#c4b5fd)}.hero:after{width:115px;height:115px;right:4%;bottom:-35px;background:linear-gradient(135deg,#fecdd3,#ddd6fe);animation-delay:-2.5s}
@keyframes floatBlob{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-16px) rotate(8deg)}}
.pill{position:relative;background:rgba(255,255,255,.75);border-color:#ddd6fe;color:#6d28d9;box-shadow:0 8px 25px rgba(109,40,217,.08)}
.hero h1{position:relative;letter-spacing:-2px}.hero h1 span{background:linear-gradient(90deg,#ef4444,#8b5cf6,#0ea5e9);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradientMove 5s linear infinite}@keyframes gradientMove{to{background-position:200% center}}
.hero p,.search{position:relative}.search input{background:rgba(255,255,255,.92);border-color:#e7e5ff;border-radius:16px;padding:18px 20px;box-shadow:0 14px 40px rgba(77,61,171,.10);outline:none;transition:.25s}.search input:focus{border-color:#a78bfa;box-shadow:0 16px 46px rgba(109,93,252,.18);transform:translateY(-1px)}
.wrap{max-width:1240px}.grid{gap:19px}.card{position:relative;border:1px solid rgba(226,232,240,.9);border-radius:20px;padding:24px;box-shadow:0 9px 30px rgba(31,41,55,.055);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;background:linear-gradient(145deg,#fff,#fdfdff)}.card:after{content:"→";position:absolute;right:19px;top:19px;color:#c7c9d9;font-weight:900;opacity:0;transform:translateX(-6px);transition:.25s}.card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:#d8d3ff}.card:hover:after{opacity:1;transform:translateX(0)}
.icon{width:52px;height:52px;display:grid;place-items:center;border-radius:15px;margin-bottom:17px;font-size:26px;background:linear-gradient(135deg,#ede9fe,#e0f2fe);box-shadow:inset 0 0 0 1px rgba(255,255,255,.8)}
.card:nth-child(5n+1) .icon{background:linear-gradient(135deg,#fee2e2,#ffedd5)}.card:nth-child(5n+2) .icon{background:linear-gradient(135deg,#dcfce7,#d1fae5)}.card:nth-child(5n+3) .icon{background:linear-gradient(135deg,#dbeafe,#e0e7ff)}.card:nth-child(5n+4) .icon{background:linear-gradient(135deg,#f3e8ff,#fae8ff)}.card:nth-child(5n) .icon{background:linear-gradient(135deg,#fef3c7,#ffedd5)}
.card b{font-size:18px;letter-spacing:-.2px}.card small{color:#727789}.info{background:linear-gradient(180deg,#f7f8ff,#f2f6ff)}.steps div{border:1px solid #e9eaf4;box-shadow:0 12px 32px rgba(31,41,55,.06);transition:.25s}.steps div:hover{transform:translateY(-4px)}
.cta,.primary,.filelabel{background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:0 10px 25px rgba(109,93,252,.25);transition:.2s}.cta:hover,.primary:hover,.filelabel:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(109,93,252,.32)}
.drop{border-color:#cfd3ff;background:linear-gradient(145deg,#fff,#fafaff);box-shadow:0 14px 42px rgba(31,41,55,.06);transition:.25s}.drop:hover,.drop.drag{border-color:var(--primary);background:#f8f7ff;transform:translateY(-2px)}
.settings{box-shadow:0 10px 28px rgba(31,41,55,.055)}.adslot{background:linear-gradient(135deg,#fbfbfd,#f6f7fb);border-color:#dfe2ea}.privacy{background:linear-gradient(180deg,#fff,#fbfbff)}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:560px){.hero{padding-top:54px}.hero h1{letter-spacing:-1px}.card:hover{transform:none}.icon{width:48px;height:48px;border-radius:14px}}

/* V8 SIGNATURE — richer product feel */
:root{--navy:#101828;--violet:#6c4cff;--blue:#2675ff;--orange:#ff7a45;--emerald:#18a875}
body{background:#f8faff}
header{max-width:1380px;margin:0 auto;border:0;border-radius:0 0 22px 22px;padding:0 34px}.brand{font-size:30px}
.hero{min-height:540px;display:flex;flex-direction:column;justify-content:center;background:radial-gradient(circle at 20% 30%,rgba(38,117,255,.15),transparent 30%),radial-gradient(circle at 82% 24%,rgba(108,76,255,.19),transparent 32%),radial-gradient(circle at 70% 95%,rgba(255,122,69,.12),transparent 26%),#f9fbff}
.hero:before{width:260px;height:260px;left:-90px;top:110px;opacity:.35}.hero:after{width:220px;height:220px;right:-65px;bottom:-75px;opacity:.35}
.hero h1{font-size:64px;max-width:980px;margin-left:auto;margin-right:auto;color:var(--navy)}.hero p{font-size:19px;max-width:760px}.pill{padding:10px 16px;letter-spacing:.2px}.search{max-width:680px}.search:before{content:'⌕';position:absolute;z-index:2;left:20px;top:50%;transform:translateY(-53%);font-size:27px;color:#7c83a1}.search input{padding-left:55px;height:62px;border-radius:20px;font-size:17px}
.wrap{padding-top:72px}.wrap h2{font-size:40px;color:var(--navy);letter-spacing:-1.2px}.sub{font-size:16px}.grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.card{min-height:184px;padding:27px 25px;border-radius:24px;background:rgba(255,255,255,.94);box-shadow:0 12px 34px rgba(32,46,85,.075)}.card:before{content:'';position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:0 6px 6px 0;background:linear-gradient(#6c4cff,#2675ff);opacity:.0;transition:.25s}.card:hover:before{opacity:1}.card b{font-size:19px;color:#182033}.card small{font-size:14.5px;line-height:1.55}.icon{width:58px;height:58px;border-radius:18px;font-size:29px}
.card:nth-child(4n+1){background:linear-gradient(145deg,#fff,#fbf9ff)}.card:nth-child(4n+2){background:linear-gradient(145deg,#fff,#f7fbff)}.card:nth-child(4n+3){background:linear-gradient(145deg,#fff,#f7fffb)}.card:nth-child(4n){background:linear-gradient(145deg,#fff,#fffaf7)}
.info{padding:82px 20px}.info h2,.privacy h2{font-size:38px;color:var(--navy)}.steps{max-width:1050px;gap:24px}.steps div{padding:32px 25px;border-radius:22px;position:relative;overflow:hidden}.steps b{font-size:19px}.steps div:before{content:'';display:block;width:42px;height:5px;border-radius:9px;background:linear-gradient(90deg,var(--violet),var(--blue));margin:0 auto 18px}.privacy{padding:76px 20px}.privacy p{font-size:16px;max-width:700px;margin:15px auto 0;line-height:1.7}
.toolpage header{background:rgba(255,255,255,.9)}.toolbox{max-width:1000px}.toolbox h1{font-size:50px;color:var(--navy);letter-spacing:-1.5px}.drop{padding:65px 28px;border-radius:26px;border-width:2px}.filelabel{padding:17px 28px;border-radius:14px;font-size:16px}.settings{border-radius:20px;padding:24px}.adslot{border-radius:18px}
footer{background:#101828;color:#98a2b3;border:0;padding:38px}footer a{color:#d0d5dd}
@media(max-width:1100px){.hero h1{font-size:54px}.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){header{border-radius:0;padding:14px 22px}.hero{min-height:auto}.hero h1{font-size:45px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.hero h1{font-size:37px}.hero p{font-size:16px}.search input{height:56px}.grid{grid-template-columns:1fr}.card{min-height:0}.wrap h2{font-size:32px}}

/* V10.3 AdSense-safe tool page slot */
.pdf4u-tool-ad{max-width:970px;margin:28px auto;padding:10px 16px 16px;min-height:100px;border:1px dashed #d9deea;border-radius:18px;background:#fafbff;text-align:center;clear:both}.pdf4u-tool-ad small{display:block;font-size:9px;letter-spacing:.14em;color:#9aa3b2;margin-bottom:8px}.pdf4u-tool-ad .ad-placeholder{min-height:68px;display:flex;align-items:center;justify-content:center;color:#9aa3b2;font-size:12px;background:#fff;border-radius:12px}@media(max-width:600px){.pdf4u-tool-ad{margin:20px 12px;min-height:82px}.pdf4u-tool-ad .ad-placeholder{min-height:54px}}