:root{
  --primary: #3b82f6;        /* azul principal */
  --primary-soft: #e8f0ff;   /* azul claro */
  --text-dark: #1f2937;
  --text-muted: #6b7280;
  --border: #dbe3f1;
}

body{
  background:#f5f7fb;
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
}

/* CARD */
.card-auth{
  max-width:440px;
  margin:80px auto;
  border-radius:16px;
  box-shadow:0 20px 40px rgba(15,23,42,.08);
  background:#fff;
  padding:28px;
}

/* TOGGLE */
.toggle-bar{
  position:relative;
  display:flex;
  background:#eef3fb;
  border-radius:50px;
  padding:4px;
  margin-bottom:28px;
}

.toggle-indicator{
  position:absolute;
  top:4px;
  bottom:4px;
  width:50%;
  background:linear-gradient(135deg,#60a5fa,#3b82f6);
  border-radius:50px;
  transition:.35s ease;
  box-shadow:0 4px 12px rgba(59,130,246,.35);
}

.toggle-btn{
  flex:1;
  text-align:center;
  padding:10px 0;
  cursor:pointer;
  z-index:2;
  font-weight:500;
  color:var(--text-muted);
  font-size:15px;
}

.toggle-btn.active{
  color:#fff;
}

/* FORM SLIDE */
.form-wrapper{
  position:relative;
  overflow:hidden;
}

.form-slide{
  width:200%;
  display:flex;
  transition:.45s cubic-bezier(.4,0,.2,1);
}

.form-box{
  width:50%;
  padding:4px;
}

/* INPUTS */
.form-control{
  border-radius:10px;
  border:1px solid var(--border);
  padding:12px 14px;
  font-size:14px;
  font-weight:400;
  transition:.2s;
}

.form-control::placeholder{
  color:#9ca3af;
  transition:.2s;
}

.form-control:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-soft);
}

.form-control:focus::placeholder{
  opacity:0;
}

/* LABEL */
label{
  font-size:13px;
  font-weight:500;
  color:#374151;
  margin-bottom:4px;
}

/* BOTÃO */
/* BOTÕES PREMIUM */
.btn-primary,
.btn-success{
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
  border: none;
  border-radius: 12px;
  padding: 12px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .2px;

  /* sombra leve */
  box-shadow: 0 4px 10px rgba(59,130,246,.18);
  transition: all .25s ease;
}

.btn-primary:hover,
.btn-success:hover{
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(59,130,246,.22);
}

.btn-primary:active,
.btn-success:active{
  transform: translateY(0);
  box-shadow: 0 3px 8px rgba(59,130,246,.16);
}

.move-right{
  transform:translateX(-50%);
}

/* ÍCONE VER SENHA */
.toggle-password{
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  cursor: pointer;
  font-size: 18px;
  color: #9ca3af;
  transition: color .2s ease;
}

.toggle-password:hover{
  color: #3b82f6;
}