/* ======== GERAL ======== */
body {
    background: #f2f2f2;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

/* ======== BOX CENTRAL ======== */
.box {
    width: 350px;
    background: #fff;
    margin: 100px auto;
    padding: 30px;
    border-radius: 14px;
    text-align: center;
    box-shadow: 0 4px 18px rgba(0,0,0,0.12);
}

.box h2 {
    margin-top: 0;
    color: #333;
}

/* ======== INPUT ======== */
.box input {
    width: 92%;
    padding: 12px;
    font-size: 16px;
    margin-top: 20px;
    border-radius: 8px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

/* ======== BOTÃO ======== */
.box button {
    width: 100%;
    margin-top: 20px;
    padding: 12px;
    font-size: 16px;
    background: #2D81FF;
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background .2s;
}

.box button:hover {
    background: #1b5fcc;
}

/* ======== ERRO ======== */
.erro {
    color: red;
    margin-top: 12px;
    font-size: 14px;
}