:root{
  --bg:#EEF1F4; --surface:#FFFFFF; --ink:#16202B; --muted:#5B6776; --line:#D5DBE2;
  --green:#1F6F5C; --green-soft:#E3F1EC; --amber:#A8660E; --amber-soft:#FBF0DD;
  --red:#B42318; --red-soft:#FDECEA; --focus:#2F6FDB;
  --radius-lg:14px; --radius-sm:8px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#10161D; --surface:#18212B; --ink:#E6EBF0; --muted:#9AA6B3; --line:#2B3744;
    --green:#4FB594; --green-soft:#16322A; --amber:#E0A04A; --amber-soft:#3A2A12;
    --red:#F07A6E; --red-soft:#3B1916; --focus:#7AA7F0;
  }
}
:root[data-theme="dark"]{
  --bg:#10161D; --surface:#18212B; --ink:#E6EBF0; --muted:#9AA6B3; --line:#2B3744;
  --green:#4FB594; --green-soft:#16322A; --amber:#E0A04A; --amber-soft:#3A2A12;
  --red:#F07A6E; --red-soft:#3B1916; --focus:#7AA7F0;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:16px;line-height:1.55;font-variant-numeric:tabular-nums}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
img{max-width:100%}
.demo-bar{background:var(--amber-soft);color:var(--amber);font-size:.85rem;padding:.5rem 1rem;text-align:center;border-bottom:1px solid var(--line)}
.hidden{display:none!important}
h1,h2,h3{line-height:1.2;margin:0 0 .5rem}
h1{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:1.5rem;font-weight:700;letter-spacing:-.01em}
h3{font-size:1.05rem;font-weight:700}
p{margin:0 0 .9rem;max-width:68ch}
.muted{color:var(--muted)}
.small{font-size:.875rem}

/* buttons & fields */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:1px solid transparent;border-radius:var(--radius-sm);padding:.75rem 1.2rem;font-weight:600;cursor:pointer;background:var(--ink);color:var(--surface)}
.btn:hover{opacity:.9}
.btn.green{background:var(--green);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.link{background:none;border:none;color:var(--green);padding:0;text-decoration:underline;font-weight:600}
.btn:disabled{opacity:.45;cursor:not-allowed}
label{display:block;font-size:.875rem;font-weight:600;margin-bottom:.3rem}
.field{margin-bottom:1rem}
input[type=text],input[type=email],input[type=password],input[type=month],select{width:100%;padding:.7rem .8rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
input[readonly]{background:var(--bg)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
.grid3{display:grid;grid-template-columns:2fr 1fr 1fr;gap:0 1rem}
@media (max-width:640px){.grid2,.grid3{grid-template-columns:1fr}}

/* auth + checkout */
.center-wrap{min-height:calc(100vh - 40px);display:grid;place-items:center;padding:2rem 1rem}
.auth{display:grid;grid-template-columns:1.1fr 1fr;max-width:980px;width:100%;background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line)}
.auth-side{background:var(--ink);color:var(--surface);padding:3rem 2.5rem;display:flex;flex-direction:column;justify-content:space-between}
.auth-side .ledger{margin-top:2rem;border-top:1px solid rgba(255,255,255,.2)}
.auth-side .ledger div{display:flex;justify-content:space-between;padding:.7rem 0;border-bottom:1px solid rgba(255,255,255,.2);font-size:.95rem}
.auth-side .ledger .total{font-weight:700;color:#8FE0C3;border-bottom:none}
.auth-form{padding:3rem 2.5rem}
.brand{font-weight:800;font-size:1.4rem;letter-spacing:-.03em}
.brand{display:flex;align-items:center;gap:.55rem}.brand .mark{width:2rem;height:2rem;flex:none}
@media (max-width:820px){.auth{grid-template-columns:1fr}.auth-side{padding:2rem 1.5rem}.auth-form{padding:2rem 1.5rem}}
.tabs{display:flex;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:1.25rem}
.tabs button{flex:1;padding:.65rem;border:none;background:var(--surface);cursor:pointer;font-weight:600}
.tabs button[aria-selected=true]{background:var(--ink);color:var(--surface)}
.plan{border:2px solid var(--green);border-radius:var(--radius-lg);padding:1.25rem;margin-bottom:1.25rem;background:var(--green-soft)}
.plan .price{font-size:2.2rem;font-weight:800;letter-spacing:-.02em}
.pix-box{border:1px dashed var(--line);border-radius:var(--radius-sm);padding:1.5rem;text-align:center;color:var(--muted);margin-bottom:1rem}

/* app shell */
.app{display:grid;grid-template-columns:280px 1fr;min-height:calc(100vh - 40px)}
.side{background:var(--surface);border-right:1px solid var(--line);padding:1.75rem 1.25rem;position:sticky;top:0;align-self:start;min-height:calc(100vh - 40px)}
.steps{list-style:none;padding:0;margin:2rem 0 0;counter-reset:s}
.steps li{position:relative;padding:.1rem 0 1.4rem 2.6rem}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:1.8rem;height:1.8rem;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:.85rem;font-weight:700;background:var(--surface)}
.steps li::after{content:"";position:absolute;left:.85rem;top:1.9rem;bottom:.1rem;width:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps li.done::before{content:"✓";background:var(--green);border-color:var(--green);color:#fff}
.steps li.current::before{border-color:var(--ink);background:var(--ink);color:var(--surface)}
.steps button{background:none;border:none;padding:0;text-align:left;cursor:pointer;font-weight:600}
.steps li:not(.done):not(.current) button{color:var(--muted)}
.steps .sub{display:block;font-size:.8rem;color:var(--muted);font-weight:400}
.main{padding:2.5rem clamp(1rem,4vw,3.5rem) 5.5rem;max-width:980px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.75rem;margin-top:1.25rem}
.head-row{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap}
.actions{display:flex;justify-content:space-between;gap:1rem;margin-top:1.5rem;flex-wrap:wrap}
@media (max-width:860px){.app{grid-template-columns:1fr}.side{position:static;min-height:0;border-right:none;border-bottom:1px solid var(--line)}.steps{display:flex;gap:.5rem;margin-top:1rem;overflow-x:auto}.steps li{padding:0 0 0 2.2rem;flex:0 0 auto}.steps li::after,.steps .sub{display:none}}

/* cnpj */
.cnpj-row{display:flex;gap:.75rem;align-items:flex-end}
.cnpj-row .field{flex:1;margin:0}
.notice{border-radius:var(--radius-sm);padding:.8rem 1rem;margin:1rem 0;font-size:.92rem}
.notice.ok{background:var(--green-soft);color:var(--green)}
.notice.warn{background:var(--amber-soft);color:var(--amber)}
.notice.err{background:var(--red-soft);color:var(--red)}
.cnae-list{border:1px solid var(--line);border-radius:var(--radius-sm);max-height:220px;overflow:auto}
.cnae-list div{padding:.55rem .8rem;border-bottom:1px solid var(--line);font-size:.9rem}
.cnae-list div:last-child{border-bottom:none}
.cnae-list b{display:inline-block;min-width:5.5rem}

/* dropzone */
.drop{border:2px dashed var(--line);border-radius:var(--radius-lg);padding:2.25rem 1rem;text-align:center;cursor:pointer;background:var(--bg)}
.drop.over{border-color:var(--green);background:var(--green-soft)}
.drop strong{display:block;font-size:1.05rem;margin-bottom:.25rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;margin-top:1.25rem}
.stats div{background:var(--surface);padding:.9rem 1rem}
.stats b{display:block;font-size:1.4rem;line-height:1.25;overflow-wrap:anywhere}
.stats span{font-size:.82rem;color:var(--muted)}
.file-table{width:100%;border-collapse:collapse;font-size:.88rem}
.table-wrap{overflow-x:auto;margin-top:1rem;max-height:260px;overflow-y:auto;border:1px solid var(--line);border-radius:var(--radius-sm)}
.file-table th,.file-table td{text-align:left;padding:.5rem .75rem;border-bottom:1px solid var(--line);white-space:nowrap}
.file-table th{position:sticky;top:0;background:var(--surface)}
.tag{display:inline-block;font-size:.75rem;padding:.1rem .45rem;border-radius:4px;font-weight:600}
.tag.ok{background:var(--green-soft);color:var(--green)}
.tag.warn{background:var(--amber-soft);color:var(--amber)}
.tag.err{background:var(--red-soft);color:var(--red)}

/* modal */
.overlay{position:fixed;inset:0;background:rgba(10,15,20,.55);display:grid;place-items:center;padding:1rem;z-index:50}
.modal{background:var(--surface);border-radius:var(--radius-lg);max-width:620px;width:100%;max-height:90vh;overflow:auto;padding:2rem;border:1px solid var(--line)}
.modal ol{padding-left:1.2rem;margin:.5rem 0 1rem}
.modal ol li{margin-bottom:.6rem}
.modal .where{background:var(--bg);border-radius:var(--radius-sm);padding:1rem 1.1rem;margin:1rem 0}
.modal .where h3{font-size:.95rem}
.check{display:flex;gap:.7rem;align-items:flex-start;background:var(--amber-soft);padding:1rem;border-radius:var(--radius-sm);margin:1rem 0;font-weight:500;font-size:.95rem}
.check input{margin-top:.25rem;width:1.1rem;height:1.1rem}

/* processing */
.clock{font-size:clamp(2.6rem,7vw,4.5rem);font-weight:800;letter-spacing:-.03em;line-height:1}
.timeline{border-left:2px solid var(--line);margin:1.5rem 0 0 .5rem;padding-left:1.5rem}
.timeline div{position:relative;padding-bottom:1.1rem}
.timeline div::before{content:"";position:absolute;left:-1.95rem;top:.35rem;width:.8rem;height:.8rem;border-radius:50%;background:var(--line)}
.timeline div.on::before{background:var(--green)}
@media (prefers-reduced-motion:no-preference){.modal{animation:pop .18s ease-out}@keyframes pop{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}}
.tip{position:fixed;z-index:80;max-width:320px;background:#16202B;color:#fff;font-size:.88rem;line-height:1.45;padding:.7rem .85rem;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.25);pointer-events:none}
.tip b{color:#8FE0C3}
.support-float{position:fixed;right:1rem;bottom:1rem;z-index:45;border-radius:999px;box-shadow:0 8px 24px rgba(0,0,0,.2);border:none;cursor:pointer;font:inherit}
.chat-panel{position:fixed;right:1rem;bottom:5rem;z-index:46;width:min(360px,calc(100vw - 2rem));height:min(480px,70vh);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 20px 50px rgba(0,0,0,.3);display:flex;flex-direction:column;overflow:hidden}
.chat-head{position:relative;background:var(--ink);color:#fff;padding:.9rem 1rem}
.chat-head svg{width:1.3rem;height:1.3rem}
.chat-body{flex:1;overflow-y:auto;padding:.85rem;display:flex;flex-direction:column;gap:.5rem;background:var(--bg)}
.chat-msg{max-width:82%;padding:.5rem .75rem;border-radius:10px;font-size:.88rem;line-height:1.4;white-space:pre-wrap}
.chat-msg.cliente{align-self:flex-end;background:var(--green);color:#fff;border-bottom-right-radius:2px}
.chat-msg.admin{align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:2px}
.chat-msg .hora{display:block;font-size:.7rem;opacity:.7;margin-top:.2rem}
.chat-form{display:flex;gap:.5rem;border-top:1px solid var(--line);padding:.6rem;background:var(--surface)}
.chat-form input{flex:1;margin:0}
.policy h3{margin-top:1rem}.policy p,.policy li{font-size:.92rem}

.progress{height:8px;background:var(--bg);border-radius:99px;overflow:hidden;margin-top:.75rem}
.progress div{height:100%;background:var(--green);width:0;transition:width .2s}
.report-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.75rem;margin-top:1rem}
.big{font-size:2rem;font-weight:800;letter-spacing:-.02em}
.ai-text{white-space:pre-wrap;line-height:1.65}
@media print{.side,.support-float,.demo-bar,.actions,#btn-print{display:none!important}.app{display:block}.main{max-width:none;padding:0}.panel{break-inside:avoid}}