:root{
  --ink:#0c1524;
  --muted:#4f5f70;
  --line:#dbe7ed;
  --teal:#34b7a7;
  --teal-dark:#168d83;
  --blue:#4da4d8;
  --green:#8ccf9b;
  --card:#ffffff;
  --soft:#f5fbfd;
  --shadow:0 18px 45px rgba(24,64,84,.16);
  --radius:18px;
}
*{box-sizing:border-box}
html{min-height:100%;background:#eef8f6}
body{margin:0;min-height:100vh;color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:linear-gradient(110deg,#eef7ff 0%,#f7fbfb 50%,#eefbea 100%);-webkit-font-smoothing:antialiased;padding-bottom:env(safe-area-inset-bottom)}
a{color:inherit;text-decoration:none}.page-bg{position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(49,84,105,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(49,84,105,.055) 1px,transparent 1px),radial-gradient(circle at 13% 38%,rgba(52,183,167,.12),transparent 22%),radial-gradient(circle at 87% 20%,rgba(77,164,216,.12),transparent 20%);background-size:22px 22px,22px 22px,100% 100%,100% 100%;z-index:-1}.topbar{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(246,251,252,.84);border-bottom:1px solid rgba(55,95,110,.12);backdrop-filter:blur(16px);position:sticky;top:0;z-index:50}.brand{display:flex;align-items:center;gap:11px}.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#e9f7ff,#d8fff4);border:1px solid #bde2e7;display:grid;place-items:center;position:relative;color:var(--teal-dark);box-shadow:0 8px 20px rgba(22,141,131,.12)}.brand-mark i{font-style:normal;font-weight:1000;font-size:19px;line-height:1}.brand-mark b{position:absolute;right:-4px;bottom:-3px;background:var(--blue);color:#fff;font-size:8px;line-height:1;border-radius:5px;padding:3px 4px;border:1px solid #fff}.brand strong{display:block;font-size:22px;letter-spacing:-.8px;color:#113f61}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:1px}.desktop-nav{display:flex;align-items:center;gap:8px}.desktop-nav a{font-weight:800;font-size:14px;color:#283b4c;padding:9px 12px;border-radius:999px}.desktop-nav a.active,.desktop-nav a:hover{background:#e2f5f2;color:#0d6e67}.container{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:14px 0 18px}.hero{position:relative;text-align:center;min-height:170px;display:grid;place-items:center;align-content:center;padding:6px 170px 0}.hero h1{font-size:clamp(25px,4vw,34px);line-height:1.12;margin:0 0 10px;letter-spacing:-.8px}.hero h1 span{color:#103e63}.hero p{font-size:16px;line-height:1.55;margin:0 auto;color:#1f2d3b;max-width:760px}.decor{position:absolute;top:20px;width:150px;height:110px}.decor-left{left:8px}.decor-right{right:10px}.sheet{position:absolute;display:grid;place-items:center;border-radius:8px;background:#d8f0ff;border:2px solid #7bbad9;color:#1975a1;font-weight:1000;font-size:12px;box-shadow:0 8px 16px rgba(59,111,137,.12);transform:rotate(-7deg)}.sheet:before{content:"";width:34px;height:24px;border:2px solid currentColor;border-radius:4px;background:linear-gradient(135deg,transparent 50%,rgba(52,183,167,.25) 51%);position:absolute;top:10px}.sheet.big{width:72px;height:82px;right:10px;top:10px;padding-top:44px}.sheet.small{width:58px;height:60px;left:26px;bottom:0;padding-top:32px}.sheet.green{background:#ddf8ea;border-color:#83cba0;color:#32865e}.sheet.blue{background:#dff3ff}.arrow{position:absolute;left:18px;top:16px;font-size:64px;color:#3aa9a4;line-height:1;transform:rotate(-5deg);text-shadow:0 2px 0 rgba(11,79,83,.15)}.arrow.down{right:76px;left:auto;top:5px;transform:rotate(8deg)}.converter-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:16px;align-items:start;width:min(760px,100%);margin:0 auto}.upload-card,.settings-card,.results-card,.plain-page{background:rgba(255,255,255,.88);border:1px solid rgba(156,188,201,.45);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(14px)}.upload-card{padding:16px}.drop-area{display:grid;place-items:center;text-align:center;min-height:186px;border:2px dashed #557486;border-radius:12px;background:rgba(241,249,252,.72);padding:22px 18px;cursor:pointer;transition:.18s}.drop-area:hover,.drop-area.dragging{background:#effbf7;border-color:var(--teal);transform:translateY(-1px)}.drop-area input{display:none}.drop-title{font-size:17px;color:#101820;margin-bottom:13px}.file-icons{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:12px}.file-icons i{width:38px;height:44px;border-radius:6px 6px 8px 8px;background:linear-gradient(180deg,#62add2,#397ba2);color:#fff;display:grid;place-items:end center;font-size:10px;font-style:normal;font-weight:1000;padding-bottom:7px;position:relative;box-shadow:0 6px 12px rgba(43,113,148,.18)}.file-icons i:nth-child(2){background:linear-gradient(180deg,#48c6a7,#25987d)}.file-icons i:nth-child(3){background:linear-gradient(180deg,#a881d6,#7556b6)}.file-icons i:nth-child(4){background:linear-gradient(180deg,#9ecc69,#74aa38)}.file-icons i:before{content:"";position:absolute;top:0;right:0;border-top:9px solid rgba(255,255,255,.8);border-left:9px solid transparent}.drop-area strong{font-size:14px;color:var(--teal-dark);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drop-area small{display:block;color:var(--muted);font-size:12px;margin-top:9px}.select-btn{margin-top:13px;border:0;border-radius:7px;background:linear-gradient(180deg,#34be86,#239765);color:#fff;font-weight:800;padding:10px 21px;font-size:14px;box-shadow:0 8px 16px rgba(35,151,101,.22)}.format-row{display:grid;gap:8px;text-align:center;margin-top:13px}.format-row>span{font-size:14px;color:#233442}.format-options{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.format-options input{display:none}.format-options b{display:grid;place-items:center;min-width:72px;height:34px;border:1px solid #cbd9df;border-radius:8px;background:#fff;font-size:13px;cursor:pointer;transition:.15s}.format-options input:checked+b{border-color:#53b8d5;background:#e9f8ff;color:#0c6d94;box-shadow:inset 0 0 0 1px #53b8d5}.primary-btn,.soft-btn,.download-btn{border:0;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;text-align:center;font-weight:900;cursor:pointer}.primary-btn{width:100%;height:48px;margin-top:16px;background:linear-gradient(135deg,#31b880,#168d83);color:#fff;font-size:15px;box-shadow:0 12px 22px rgba(22,141,131,.2)}.soft-btn{background:#eaf6f4;color:#13756e;min-height:38px;padding:0 14px}.soft-btn.danger{color:#a23d3d;background:#fff0f0}.download-btn{background:#0f8b80;color:#fff;min-height:37px;padding:0 14px;font-size:13px}.settings-card{padding:15px}.settings-card h2{font-size:18px;margin:0 0 13px}.control{display:grid;gap:7px;margin-bottom:12px}.control span,.check-row span{font-size:13px;font-weight:850;color:#263b4a}.segmented{height:35px;display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid #d2dee3;border-radius:9px;overflow:hidden}.segmented input{display:none}.segmented b{display:grid;place-items:center;height:100%;font-size:12px;font-weight:800;color:#263b4a;cursor:pointer}.segmented input:checked+b{background:#e9f8ff;color:#086d95}.size-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:7px}.size-row input{min-width:0;height:34px;border:1px solid #d2dee3;border-radius:8px;background:#fff;padding:0 8px;outline:0}.size-row em{font-style:normal;color:var(--muted)}.check-row{display:flex;align-items:center;gap:7px;margin:6px 0 12px}.check-row input{accent-color:var(--teal)}.range{width:100%;accent-color:#43aee0}.why{text-align:center;padding:26px 0 8px}.why h2{font-size:21px;margin:0 0 20px}.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.why-grid article{display:grid;justify-items:center;gap:7px;padding:0 10px}.why-grid span{width:39px;height:39px;border-radius:14px;display:grid;place-items:center;color:#0f877c;background:#dff7f1;border:1px solid #bfe9e0}.why-grid strong{font-size:14px}.why-grid p{font-size:12px;line-height:1.35;color:#27394a;margin:0}.alert{width:min(760px,100%);margin:0 auto 12px;border-radius:14px;padding:12px 14px}.alert.error{background:#fff1f1;border:1px solid #f2caca;color:#983434}.alert p{margin:3px 0}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.section-head h1,.section-head h2{margin:0;font-size:clamp(25px,4vw,34px);letter-spacing:-.8px}.eyebrow{display:inline-block;color:#168d83;background:#e6f7f3;border:1px solid #ccebe4;border-radius:999px;font-size:12px;font-weight:1000;padding:6px 10px;margin-bottom:8px}.results-card,.plain-page{width:min(920px,100%);margin:8px auto 0;padding:18px}.result-grid{display:grid;gap:12px}.result-item{display:grid;grid-template-columns:78px minmax(0,1fr) auto;align-items:center;gap:13px;background:#f7fbfd;border:1px solid #dce9ee;border-radius:16px;padding:10px}.result-item img{width:78px;height:68px;object-fit:contain;background:linear-gradient(135deg,#eef6fa,#fff);border-radius:12px;border:1px solid #e0edf2}.result-info{min-width:0}.result-info strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.result-info span{display:block;color:var(--muted);font-size:13px;margin-top:4px}.save{display:inline-flex;margin-top:7px;border-radius:999px;padding:4px 7px;font-weight:1000;font-size:12px}.save.ok{background:#dff7eb;color:#12805a}.save.warn{background:#fff4d8;color:#9a6800}.history .result-item{grid-template-columns:70px minmax(0,1fr) auto}.empty{text-align:center;display:grid;place-items:center;gap:10px;padding:34px 10px}.empty span{font-size:56px}.empty strong{font-size:23px}.empty p{margin:0;color:var(--muted)}.empty .primary-btn{width:min(320px,100%)}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:12px}.info-grid article{background:#f7fbfd;border:1px solid #dce9ee;border-radius:16px;padding:16px}.info-grid strong{font-size:18px}.info-grid p{line-height:1.55;color:var(--muted)}code{background:#eef5f8;border:1px solid #dbe8ef;border-radius:6px;padding:2px 5px}.footer{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:16px 0 24px;display:flex;align-items:center;justify-content:space-between;color:#243746;font-size:13px}.footer nav{display:flex;gap:18px;flex-wrap:wrap}.footer a:hover{color:#0f877c}.mobile-nav{display:none}
@media(max-width:850px){.topbar{padding:0 16px}.desktop-nav{display:none}.container{padding:12px 0 88px}.hero{padding:8px 0 12px;min-height:auto}.decor{display:none}.hero h1{font-size:29px}.hero p{font-size:14px}.converter-layout{grid-template-columns:1fr;width:100%}.settings-card{order:-1}.settings-card h2{display:none}.segmented{height:39px}.upload-card,.settings-card,.results-card,.plain-page{border-radius:16px}.why-grid{grid-template-columns:repeat(2,1fr);row-gap:18px}.footer{display:none}.mobile-nav{position:fixed;left:50%;bottom:max(10px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(520px,calc(100% - 24px));height:68px;border-radius:22px;background:rgba(255,255,255,.94);border:1px solid rgba(156,188,201,.65);box-shadow:0 14px 40px rgba(24,64,84,.22);backdrop-filter:blur(18px);display:grid;grid-template-columns:repeat(3,1fr);padding:7px;z-index:80}.mobile-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:16px;color:#607282;font-weight:900}.mobile-nav span{font-size:19px}.mobile-nav b{font-size:11px}.mobile-nav a.active{background:#e7f7f3;color:#0e7f75}.section-head{align-items:flex-start}.result-item,.history .result-item{grid-template-columns:66px minmax(0,1fr);position:relative}.result-item img{width:66px;height:60px}.download-btn{grid-column:1/-1}.info-grid{grid-template-columns:1fr}.brand strong{font-size:19px}.brand small{display:none}}
@media(max-width:480px){.container,.footer{width:min(100% - 22px,1120px)}.hero h1{font-size:25px}.drop-area{min-height:210px}.file-icons i{width:34px;height:40px;font-size:9px}.format-options{display:grid;grid-template-columns:repeat(2,1fr)}.format-options b{width:100%}.why-grid{grid-template-columns:1fr 1fr;gap:12px}.why-grid article{background:rgba(255,255,255,.7);border:1px solid #e0edf2;border-radius:14px;padding:12px 8px}.size-row{grid-template-columns:1fr}.size-row em{display:none}.section-head{flex-direction:column}.soft-btn{width:100%}.result-info span{font-size:12px}}

.lang-switch{
    display:flex;
    align-items:center;
    gap:6px;
    padding:4px;
    border:1px solid rgba(15, 92, 85, .12);
    border-radius:999px;
    background:rgba(255,255,255,.72);
    box-shadow:0 10px 25px rgba(15, 92, 85, .08);
}
.lang-switch a{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:38px;
    height:30px;
    border-radius:999px;
    text-decoration:none;
    font-size:12px;
    font-weight:800;
    color:#24435f;
}
.lang-switch a.active{
    color:#fff;
    background:linear-gradient(135deg,#3fbf9b,#2374ab);
}
@media (max-width: 720px){
    .lang-switch{margin-left:auto;}
    .lang-switch a{min-width:34px;height:28px;font-size:11px;}
}

/* Logo enviado pelo usuário */
.brand-logo{width:44px;height:44px;border-radius:13px;object-fit:cover;border:1px solid rgba(15,64,96,.12);box-shadow:0 8px 20px rgba(22,141,131,.16);background:#eaf8f4;flex:0 0 auto}.hero-logo{width:clamp(150px,22vw,240px);height:auto;border-radius:28px;display:block;margin:0 auto 16px;box-shadow:0 18px 45px rgba(16,63,97,.18);border:1px solid rgba(255,255,255,.7)}@media(max-width:850px){.brand-logo{width:40px;height:40px;border-radius:12px}.hero-logo{width:148px;border-radius:22px;margin-bottom:12px}.hero h1{font-size:26px}}