:root{
  --surface:#ffffff;
  --surface-2:#f7f7f8;

  /* Tipografia */
  --text:#0f172a;
  --muted:#64748b;

  /* Bordas */
  --border:#e5e7eb;
  --border-strong:#cbd5e1;

  /* Paleta viva */
  --primary:#0ea5e9;
  --primary-600:#0284c7;
  --secondary:#a855f7;
  --info:#06b6d4;
  --warning:#f59e0b;
  --ok:#16a34a;
  --err:#ef4444;
  --accent:#ffd166;

  --radius-lg:16px;
  --radius-md:12px;
  --dur-fast:.15s;
  --dur-med:.35s;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--surface-2); color:var(--text);
  font:16px/1.55 "Inter",system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  font-size:clamp(14px,3.7vw,16px);
}

/* Top loader */
.top-loader{
  position:fixed; inset:0 0 auto 0; height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0); transform-origin:left;
  transition:transform var(--dur-med) var(--ease);
  z-index:9999;
}
.top-loader.is-active{transform:scaleX(1)}

/* Base */
.wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  padding:20px;
  padding-bottom:calc(20px + env(safe-area-inset-bottom));
}
.card{
  width:100%; max-width:1100px; background:var(--surface);
  border:1.5px solid var(--border-strong); border-radius:var(--radius-lg); overflow:hidden;
  box-shadow:0 6px 28px rgba(2,132,199,.06);
  animation:fadeIn var(--dur-med) var(--ease) both;
  margin-bottom: 70px;
}
.progress{
  width:100%; height:6px; background:#eef2f7; position:sticky; top:0; z-index:10;
}
.progress__bar{
  height:100%; width:33%;
  background:linear-gradient(90deg,var(--primary) 0%, var(--accent) 100%);
  box-shadow:0 0 0 1px rgba(0,0,0,.03) inset;
  transition:width var(--dur-med) var(--ease);
}

/* Header empilhado */
.header{
  background:var(--surface);
  padding:calc(16px + env(safe-area-inset-top)) 20px 16px;
  border-bottom:2px solid var(--border-strong);
 margin:15px;
    
}
.header-stack{display:flex; flex-direction:column; gap:8px}
.title{
  margin:0; font-weight:800; line-height:1.2; width:100%;
  font-size:clamp(18px,4.5vw,22px);
}
.title i{color:var(--primary)}
.subtitle{margin:0; color:var(--muted); font-size:clamp(13px,3.6vw,14px)}
.brand-row{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:6px}
.logo-img{height:34px; width:auto; display:block; border-radius:8px; background:#fff; padding:6px; border:1px solid #00000010}
.badge{
  display:inline-flex; align-items:center; gap:6px; background:#fff; color:#111;
  padding:6px 10px; border-radius:999px; font-weight:800; font-size:12px;
  border:2px solid var(--accent); margin:0
}

/* Conteúdo */
.content{display:flex; flex-direction:column; gap:16px; padding:18px}
.box{
  border:1px solid var(--border); border-radius:var(--radius-md); padding:16px; background:var(--surface);
  animation:slideUp var(--dur-med) var(--ease) both
}
.box h3{margin:0 0 10px; font-size:15px; font-weight:800; display:flex; align-items:center; gap:8px}

/* Seções ícone */
.box--form    h3 i{ color:var(--primary) }
.box--summary h3 i{ color:var(--secondary) }
.box--assist  h3 i{ color:var(--warning) }
.box--payment h3 i{ color:var(--ok) }
.box--secure  h3 i{ color:var(--info) }

.strong{font-weight:700}
.muted{color:var(--muted); font-size:14px}
.divider{height:1px; background:var(--border); margin:14px 0}

/* Stacks */
.col{display:flex; flex-direction:column; gap:12px}

/* ===== FORM ===== */
.form-grid{display:grid; grid-template-columns:1fr; gap:10px}
.field{display:flex; flex-direction:column; gap:6px}
.label{font-weight:800; font-size:13px; color:#0b2538}

.input-wrap{position:relative}
.input{
  width:100%;
  min-height:48px;
  border:2px solid var(--border);
  border-radius:12px;
  padding:0 40px 0 40px; /* espaço p/ ícones */
  outline:none; background:#fff;
  transition:border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  font-size:clamp(14px,3.7vw,16px);
}
.input:hover{ border-color:#cfd8e3 }
.input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(14,165,233,.15);
}

/* Ícone status (direita) — alinhamento fixo p/ spinner/ok/erro */
.input-wrap i[data-icon]{
  position:absolute; right:12px; top:50%; transform:translateY(-50%);
  width:20px; height:20px; display:grid; place-items:center; /* garante centro perfeito */
  color:#94a3b8; font-size:16px; line-height:1; /* normaliza variações dos ícones */
  transition:color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.input.is-typing + i[data-icon]{color:#f59e0b; transform:translateY(-50%) rotate(10deg)}
.input.is-valid  + i[data-icon]{color:var(--ok)}

/* Ícone esquerdo decorativo */
.input-wrap .in-left{
  position:absolute; left:12px; top:50%; transform:translateY(-50%);
  color:#94a3b8; font-size:16px; pointer-events:none;
  transition:color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.input:focus ~ .in-left{ color:var(--primary) }
.input.is-typing ~ .in-left{ color:var(--primary-600) }
.input.is-valid  ~ .in-left{ color:var(--ok) }
.input-wrap .in-left.fa-user{ color:var(--primary) }
.input-wrap .in-left.fa-at{ color:var(--secondary) }
.input-wrap .in-left.fa-id-card{ color:var(--info) }

.hint{color:var(--err); font-size:12px; min-height:14px; margin-top:4px}

/* Checkbox / radio */
.chk{display:flex; align-items:flex-start; gap:8px; font-size:14px}
.chk input{transform:translateY(2px)}

/* Preferência pagamento */
.paypref{display:flex; gap:10px; flex-wrap:wrap}
.paypref label{
  display:inline-flex; align-items:center; gap:6px; padding:8px 12px; border:1.5px solid var(--border);
  border-radius:999px; background:#fff; cursor:pointer; font-weight:700; font-size:13px;
  transition:border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.paypref input{display:none}
.paypref input:checked + i,
.paypref label:has(input:checked){ border-color:var(--primary); box-shadow:0 0 0 3px rgba(14,165,233,.15) inset }

/* Quantidade */
.qty{display:inline-flex; align-items:stretch; border:1.5px solid var(--border); border-radius:12px; overflow:hidden; background:#fff}
.qty__btn{
  width:40px; border:0; background:#f8fafc; cursor:pointer;
  display:grid; place-items:center; font-size:14px;
}
.qty__btn:active{ transform:translateY(1px) }
.qty__input{ width:70px; border:0; text-align:center; font-weight:800; font-size:15px; outline:none }

/* Cupom */
.coupon{display:flex; gap:8px}
.coupon__input{
  flex:1; min-height:44px; border:1.5px solid var(--border); border-radius:10px; padding:0 10px; outline:none
}
.coupon__btn{
  min-height:44px; border-radius:10px; border:1px solid var(--secondary); background:linear-gradient(135deg,var(--secondary),#7c3aed);
  color:#fff; font-weight:800; padding:0 12px; cursor:pointer; box-shadow:0 6px 16px rgba(124,58,237,.18);
}
.coupon__badge{
  margin-top:8px; display:inline-flex; align-items:center; gap:6px;
  padding:6px 10px; border-radius:999px; background:#f1f5ff; border:1px solid #c7d2fe; color:#1e293b; font-weight:800; font-size:12px
}

/* Botão principal */
.btn{
  min-height:48px; border-radius:12px;
  border:1px solid var(--primary-600);
  background:linear-gradient(135deg,var(--primary) 0%, var(--primary-600) 100%);
  color:#fff; font-weight:900; letter-spacing:.2px; cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; width:100%; gap:10px;
  transition:transform var(--dur-fast) var(--ease), filter var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  font-size:clamp(14px,4vw,15px);
  box-shadow:0 8px 20px rgba(2,132,199,.18);
}
.btn:hover{ filter:brightness(1.05) }
.btn:active{ transform:translateY(1px) }
.btn[disabled]{opacity:.65; cursor:not-allowed; filter:saturate(.7)}
.btn--ready{ box-shadow:0 0 0 0 rgba(22,163,74,.5); animation:readyPulse 1.05s ease-out 2 }
@keyframes readyPulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.45)}70%{box-shadow:0 0 0 14px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}

/* Resumo */
.item{display:flex; align-items:center; justify-content:space-between; padding:10px 0; border-bottom:1px dashed var(--border)}
.item:last-child{border-bottom:none}
.price{font-weight:900; font-variant-numeric:tabular-nums; letter-spacing:.2px; color:#0b2538}
.summary-lines{display:flex; flex-direction:column; gap:8px; margin-top:8px}
.summary-lines .line{display:flex; justify-content:space-between}
.summary-lines .muted-line{color:var(--muted)}
.total{
  margin-top:8px; padding-top:10px; display:flex; align-items:center; justify-content:space-between;
  border-top:1px solid var(--border); font-size:18px; font-weight:900; color:#0b2538
}
.total div:last-child{font-variant-numeric:tabular-nums; letter-spacing:.2px; color:var(--primary-600)}
.parcel{margin-top:4px}

/* Alerts */
.alert{
  padding:12px 14px; border-radius:12px; border:2px solid var(--border-strong); background:#fff; width:100%;
  display:flex; gap:10px; align-items:flex-start; animation:fadeIn var(--dur-med) var(--ease) both;
  position:relative;
}
.alert:before{ content:""; position:absolute; left:0; top:0; bottom:0; width:4px; border-radius:12px 0 0 12px; background:#e2e8f0 }
.alert .ico{font-size:18px; line-height:1; margin-top:2px}
.alert.ok{border-color:#b7f7d1; background:#f0fff6}
.alert.ok:before{ background:var(--ok) }
.alert.err{border-color:#fecaca; background:#fff1f2}
.alert.err:before{ background:var(--err) }

/* Skeleton */
.skeleton{
  position:relative; overflow:hidden; border-radius:12px;
  background:linear-gradient(90deg,#f1f5f9,#f8fafc,#f1f5f9); background-size:200% 100%;
  animation:shimmer 1.1s linear infinite; height:48px; border:1px solid var(--border)
}
.skeleton--line{ height:12px; border-radius:6px }

/* Footer */
.footer{padding:0 18px 16px; margin-bottom:10px}

/* MP */
#mp-button{width:100%}
#paymentBox{ scroll-margin-top:80px }

/* Checklist */
.checklist{list-style:none; padding:0; margin:8px 0 0; display:flex; flex-direction:column; gap:10px}
.checklist li{display:flex; align-items:flex-start; gap:10px}
.checklist .mark{
  width:22px; height:22px; min-width:22px; display:grid; place-items:center;
  border:2px solid var(--border-strong); border-radius:999px; background:#fff; color:#94a3b8
}
.checklist li.is-typing .mark{border-color:var(--warning); color:var(--warning)}
.checklist li.is-valid  .mark{border-color:var(--ok); background:var(--ok); color:#fff}
.checklist li.is-error  .mark{border-color:var(--err); color:#ef4444}
.checklist .title{font-weight:800; font-size:14px; color:#0b2538}
.checklist .meta{font-size:12px; color:var(--muted)}

/* Pill pronto */
.pill-ready{
  display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px;
  border:2px solid #cbd5e1; color:#0f172a; background:#f8fafc; font-weight:800; margin-top:10px; animation:fadeIn .35s var(--ease) both
}
.pill-ready i{opacity:.95; color:var(--info)}
.pill-ready.is-ready{ border-color:var(--ok); color:#065f46; background:#ecfdf5 }
.pill-ready.is-ready i{ color:#059669 }

/* Secure list */
.secure-list{list-style:none; padding:0; margin:8px 0 0; display:flex; flex-direction:column; gap:8px; color:var(--muted)}
.secure-list i{width:18px; color:var(--info)}
.secure-list li:nth-child(2) i{ color:var(--primary) }
.secure-list li:nth-child(3) i{ color:var(--secondary) }
.secure-list li:nth-child(4) i{ color:var(--ok) }
.trust img{max-width:100%; height:auto; display:block; margin-top:8px}

/* CTA mobile */
.mobile-cta{ display:none }

/* Voltar topo */
.backtotop{
  position:fixed; right:16px; bottom:80px; width:44px; height:44px; border-radius:999px;
  border:1px solid var(--border); background:#fff; display:grid; place-items:center; cursor:pointer;
  box-shadow:0 10px 24px rgba(2,132,199,.15); z-index:998;
}

/* Modal */
.modal{
  position:fixed; inset:0; display:grid; place-items:center; padding:20px;
  background:rgba(15,23,42,.55);
  opacity:0; pointer-events:none; transition:opacity var(--dur-med) var(--ease);
  z-index:10000;
}
.modal.is-open{ opacity:1; pointer-events:auto }
.modal__dialog{
  position:relative; width:min(700px,100%); max-height:85vh; overflow:auto;
  background:var(--surface); border:1.5px solid var(--border-strong); border-radius:var(--radius-lg);
  box-shadow:0 20px 60px rgba(2,132,199,.20);
  transform:translateY(10px) scale(.98); transition:transform var(--dur-med) var(--ease);
}
.modal.is-open .modal__dialog{ transform:translateY(0) scale(1) }
.modal__dialog h3{
  margin:0; padding:16px 20px; border-bottom:1px solid var(--border);
  font-size:18px; font-weight:800; display:flex; align-items:center; gap:8px; color:#0b2538;
}
.modal__dialog h3 i{ color:var(--secondary) }
.modal__body{ padding:16px 20px; font-size:14px }
.modal__body p{ margin:0 0 8px }
.modal__body ul{ list-style:none; padding:0; margin:10px 0 0; display:flex; flex-direction:column; gap:8px; }
.modal__body li{ display:flex; align-items:flex-start; gap:8px }
.modal__body li::before{
  content:"\f058"; font-family:"Font Awesome 6 Free"; font-weight:900;
  color:var(--primary); margin-top:2px; width:18px;
}
.modal__close{
  position:absolute; top:10px; right:10px; width:36px; height:36px;
  display:grid; place-items:center; border-radius:999px;
  border:1px solid var(--border); background:#fff; cursor:pointer;
  transition:background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.modal__close:hover{ background:#f8fafc; transform:scale(1.03) }
.modal__close i{ color:#334155 }

@media (min-width:1024px){
  .content{
    display:grid;
    grid-template-columns:minmax(0,1.1fr) minmax(0,0.9fr);
    gap:22px;
    padding:20px;
    align-items:start;
  }
  .content > .alert{grid-column:1 / -1}
  .col--left  { grid-column:1 }
  .col--right { grid-column:2; gap:12px }
  .box--payment{ position:sticky; top:20px; align-self:start }
}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0; transform:translateY(8px)}to{opacity:1; transform:translateY(0)}}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px}