:root{
  --primary:#0f2a44;
  --secondary:#1f8f5f;
  --ink:#0b1220;
  --muted:#5b6b7a;
  --bg:#ffffff;
  --border:#e5e7eb;
  --panel:#ffffff;
  --panel2:#f8fafc;
}

html, body{ height: 100%; }

body{
  margin:0;
  background:var(--bg);
  font-family: system-ui,-apple-system,Segoe UI,Roboto;
  color:var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* safe area */
.safe{
  padding-top: env(safe-area-inset-top);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  min-height:100dvh;
}

/* centralização proporcional (topo=base) */
.screen{
  width:100%;
  min-height:100dvh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0;
  box-sizing:border-box;
}

/* largura controlada */
.wrap{
  width:100%;
  max-width:720px;
  padding: 10px 18px 18px;
  box-sizing:border-box;
  text-align:center;
}

/* logo */
.logo{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  margin: 0 auto 6px;
}
.logo img{
  display:block;
  width: min(92vw, 340px);
  height:auto;
  max-width:360px;
}

/* título */
.h1-app{
  font-weight:900;
  font-size:46px;
  color:var(--primary);
  margin:0;
  margin-top:-6px;
  letter-spacing:-.6px;
}
.subtitle{
  color:var(--muted);
  margin: 8px 0 18px;
  line-height:1.35;
}

.card-saas{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  text-align:left;
  box-shadow: 0 8px 20px rgba(15, 42, 68, .06);
}

.muted{ color:var(--muted); }

.form-control, .form-select{
  border-radius:10px;
  padding:14px;
  font-size:16px;
  border:1px solid var(--border);
  background:#fff;
}
.form-control:focus, .form-select:focus{
  box-shadow: 0 0 0 4px rgba(15,42,68,.12);
  border-color: rgba(15,42,68,.35);
}

.btn-main{
  padding:18px;
  font-size:18px;
  font-weight:800;
  border-radius:12px;
}
.btn-primary{
  background:var(--primary) !important;
  border:none !important;
}
.btn-outline-light{
  border-color: rgba(15,42,68,.25) !important;
  color: var(--primary) !important;
  background:#fff !important;
}
.btn-outline-light:hover{
  background: rgba(15,42,68,.06) !important;
}

.nav-pills .nav-link{
  border-radius: 12px;
  color: var(--primary);
  border: 1px solid rgba(15,42,68,.15);
  background:#fff;
  font-weight: 800;
}
.nav-pills .nav-link.active{
  background: rgba(15,42,68,.10);
  border: 1px solid rgba(15,42,68,.35);
  color: var(--primary);
}

.mono{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

pre{
  background: #0b1220;
  border: 1px solid rgba(148,163,184,.2);
  border-radius: 12px;
  padding: 10px;
  color: #e2e8f0;
  max-height: 240px;
  overflow: auto;
  margin: 0;
}

.bigbtn{
  padding: 14px 14px;
  border-radius: 14px;
  font-weight: 900;
}

.stat{
  border:1px solid var(--border);
  border-radius:12px;
  padding:12px;
  background: var(--panel2);
}

.divider{
  height:1px;
  background: var(--border);
  margin:14px 0;
}

#reader{
  border: 1px dashed rgba(15,42,68,.25);
  border-radius: 14px;
  padding: 10px;
  background: #fff;
}

/* overlay */
.overlay{
  position:fixed;
  inset:0;
  background:rgba(255,255,255,.88);
  backdrop-filter: blur(4px);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:9999;
  padding: 16px;
  box-sizing: border-box;
}
.overlay.show{display:flex}
.overlay-card{
  width:min(420px,92vw);
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px;
  text-align:left;
  box-shadow: 0 18px 40px rgba(15,42,68,.18);
}
.overlay-title{ font-weight: 900; font-size: 18px; color: var(--primary); }
.overlay-sub{ color: var(--muted); margin-top: 4px; font-size: 14px; }

.bank-spinner{
  width:48px; height:48px;
  border-radius:50%;
  border:4px solid #cbd5e1;
  border-top-color:var(--primary);
  animation:spin .8s linear infinite;
  margin:12px auto;
}
@keyframes spin{to{transform:rotate(360deg)}}

.overlay-steps{
  margin-top: 10px;
  display:grid;
  gap: 8px;
  font-size: 14px;
  color: var(--ink);
}
.step{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(15,42,68,.14);
  background:#fff;
}
.dot{
  width:10px; height:10px;
  border-radius:50%;
  background: rgba(148,163,184,.8);
}
.step.active .dot{ background: rgba(34,197,94,.95); }

@media(max-width:480px){
  .wrap{ padding: 8px 14px 16px; }
  .h1-app{ font-size:40px; }
  .btn-main{ font-size:18px; }
}