:root {
  --samsung-blue: #1428A0;
  --sky-blue: #0689D8;
  --cool-grey-9: #75787B;
  --white: #FFFFFF;
  --sun-yellow: #FFC600;
  --flame-orange: #FF6900;
  --berry-red: #E4002B;
  --plum-purple: #C800A1;
  --lotus-purple: #685BC7;
  --marine-blue: #0057B8;
  --jay-blue: #00A9E0;
  --kelp-blue: #009CA6;
  --ivy-green: #00B140;
  --platinum: #E7E7E8;
  --silver: #888B8D;
  --cool-grey-8: #A6A9AA;
  --cloud: #53565A;
  --coal: #000000;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
    background-image: url('FUNDO.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
}

h1 {
  text-align: center;
  color: var(--samsung-blue);
  margin-bottom: 1.5rem;
}

form {
  display: flex;
  flex-direction: column;
}

input {
  padding: 0.8rem;
  margin-bottom: 1rem;
  border: 1px solid var(--cool-grey-8);
  border-radius: 5px;
  font-size: 1rem;
}

button {
  padding: 0.8rem;
  background-color: var(--sky-blue);
  color: var(--white);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s;
}

button:hover {
  background-color: var(--samsung-blue);
}

.mensagem {
  margin-top: 1rem;
  text-align: center;
  font-weight: bold;
}

.mensagem.sucesso {
  color: var(--ivy-green);
}

.mensagem.erro {
  color: var(--berry-red);
}