:root {
  --azul: #2563eb;
  --azul-escuro: #0f1f3d;
  --texto: #0f172a;
  --cinza: #64748b;
  --borda: #d5dbe5;
  --fundo: #e9eef5;
  --erro: #b00020;
  --raio: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--fundo);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: var(--texto);
}

.cartao {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  width: 100%;
  max-width: 1100px;
  min-height: 600px;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(15, 31, 61, .12);
}

/* Lado da imagem */
.lado-imagem {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(15,31,61,.35) 0%, rgba(15,31,61,.85) 100%),
    url('/img/login-fundo.jpg') center/cover no-repeat;
  background-color: var(--azul-escuro);
}
.logo-marca { font-size: 54px; font-weight: 800; letter-spacing: -2px; line-height: 1; }
.logo-marca span { color: var(--azul); }
.logo-nome { font-size: 18px; margin-top: 4px; }
.frase hr { width: 60px; border: 0; height: 3px; background: var(--azul); margin-bottom: 18px; }
.frase h2 { font-size: 34px; font-weight: 700; margin-bottom: 10px; }
.frase p { font-size: 18px; color: #cbd5e1; max-width: 320px; line-height: 1.4; }

/* Lado do formulário */
.lado-form {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px 48px 24px;
}
.form-conteudo { margin: auto 0; }
h1 { font-size: 30px; font-weight: 800; text-align: center; }
.sub { text-align: center; color: var(--cinza); margin: 6px 0 32px; font-size: 17px; }

label { display: block; font-weight: 600; font-size: 14px; margin: 18px 0 8px; }

.campo {
  position: relative;
  display: flex;
  align-items: center;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  background: #f8fafc;
}
.campo:focus-within { border-color: var(--azul); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.campo svg { width: 20px; height: 20px; margin-left: 14px; fill: none; stroke: var(--cinza); stroke-width: 1.6; flex-shrink: 0; }
.campo input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 15px 14px;
  font-size: 15px;
  font-family: inherit;
  outline: none;
}
.olho { background: none; border: 0; cursor: pointer; padding-right: 14px; display: flex; }
.olho svg { margin: 0; }

.esqueci { display: block; text-align: right; margin-top: 10px; font-size: 14px; color: var(--azul); text-decoration: none; }
.esqueci:hover { text-decoration: underline; }

.botao {
  width: 100%;
  margin-top: 28px;
  padding: 16px;
  border: 0;
  border-radius: var(--raio);
  background: var(--azul);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background .2s;
}
.botao:hover { background: #1d4ed8; }

.erro {
  background: #fdecea;
  color: var(--erro);
  border: 1px solid #f5c2c0;
  padding: 12px 14px;
  border-radius: var(--raio);
  font-size: 14px;
}

footer {
  text-align: center;
  color: #94a3b8;
  font-size: 13px;
  border-top: 1px solid var(--borda);
  padding-top: 20px;
}

/* Celular: esconde a imagem */
@media (max-width: 800px) {
  .cartao { grid-template-columns: 1fr; }
  .lado-imagem { display: none; }
  .lado-form { padding: 32px 24px 20px; }
}