:root{
  --card: rgba(255,255,255,.92);
  --shadow: 0 18px 50px rgba(0,0,0,.25);
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
}

*{ box-sizing: border-box; }

body{
  margin:0;
  min-height:100vh;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 28px 16px;
  position: relative;
  overflow-x: hidden;
}

/* Fundo (sem arquivo externo): padrão em SVG + véu */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  background: url("../img/2.png") center/cover no-repeat;
  filter: saturate(1.05) contrast(1.02);
  opacity: .95;
  z-index: -2;
}


.card{
  width: min(860px, 100%);
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
  background: var(--card);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow:hidden;
  border: 1px solid rgba(15,23,42,.08);
}

.left{
  padding: 34px 34px 28px;
  background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(255,255,255,.2));
  display:flex;
  align-items:center;
  justify-content:center;
}

.right{
  padding: 34px 34px 28px;
}

.brand{
  display:flex;
  align-items:center;
  justify-content:center;
  width: 100%;
  text-align: center;
}

.brand-logo{
  width: min(180px, 78%);
  height: auto;
  display:block;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(0,0,0,.18));
}

h1{
  font-size: 26px;
  line-height: 1.2;
  margin: 0 0 10px;
}

p{
  margin: 0 0 14px;
  color: var(--muted);
}

.form{
  display:flex;
  flex-direction:column;
  gap: 12px;
  margin-top: 12px;
}

label{
  font-size: 13px;
  color: var(--muted);
  display:block;
  margin-bottom: 6px;
}

input{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(15,23,42,.18);
  outline: none;
  font-size: 15px;
  background: rgba(255,255,255,.85);
}

input:focus{
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

button{
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  cursor:pointer;
}

button:hover{ filter: brightness(.96); }

.small{
  font-size: 12px;
  color: var(--muted);
}

.alert{
  border-radius: 12px;
  padding: 12px 12px;
  font-size: 14px;
  border: 1px solid;
}

.alert.error{ background: rgba(220,38,38,.08); border-color: rgba(220,38,38,.25); color: #991b1b; }
.alert.ok{ background: rgba(16,185,129,.08); border-color: rgba(16,185,129,.25); color: #065f46; }

.meta{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content: space-between;
  margin-top: 6px;
}

a{ color: var(--accent); text-decoration: none; }

a:hover{ text-decoration: underline; }

@media (max-width: 880px){
  .card{
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Mostra a logo no celular como cabeçalho */
  .left{
    padding: 18px;
    border-bottom: 1px solid rgba(15,23,42,.08);
  }

  .brand-logo{
    width: min(200px, 62%);
  }

  .right{ padding: 18px; }
}