:root {
    --fundo: #e7dfc2;
    --principal: #1f3d3b;
    --branco: #ffffff;
    --texto: #253331;
    --erro: #9f2f2f;
    --borda: rgba(31, 61, 59, 0.22);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--fundo);
    color: var(--texto);
    font-family: Arial, Helvetica, sans-serif;
}

.login-container {
    width: 100%;
    max-width: 430px;
}

.login-card {
    padding: 38px 34px;
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid var(--borda);
    border-radius: 22px;
    box-shadow: 0 18px 45px rgba(31, 61, 59, 0.14);
    backdrop-filter: blur(8px);
}

.logo {
    display: block;
    width: 100%;
    max-width: 310px;
    height: auto;
    margin: 0 auto 26px;
}

.login-card h1 {
    margin: 0 0 8px;
    color: var(--principal);
    text-align: center;
    font-size: 27px;
}

.subtitulo {
    margin: 0 0 28px;
    text-align: center;
    line-height: 1.45;
}

.campo {
    margin-bottom: 18px;
}

.campo label {
    display: block;
    margin-bottom: 7px;
    color: var(--principal);
    font-weight: 700;
}

.campo input {
    width: 100%;
    min-height: 48px;
    padding: 11px 13px;
    border: 1px solid var(--borda);
    border-radius: 10px;
    background: var(--branco);
    color: var(--texto);
    font-size: 16px;
    outline: none;
}

.campo input:focus {
    border-color: var(--principal);
    box-shadow: 0 0 0 3px rgba(31, 61, 59, 0.12);
}

.senha-wrapper {
    position: relative;
}

.senha-wrapper input {
    padding-right: 72px;
}

.mostrar-senha {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    color: var(--principal);
    font-weight: 700;
    cursor: pointer;
}

.botao {
    width: 100%;
    min-height: 50px;
    margin-top: 5px;
    border: 0;
    border-radius: 10px;
    background: var(--principal);
    color: var(--branco);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

.botao:hover {
    opacity: 0.93;
}

.mensagem-erro {
    margin-bottom: 20px;
    padding: 12px 14px;
    border: 1px solid rgba(159, 47, 47, 0.25);
    border-radius: 9px;
    background: rgba(159, 47, 47, 0.08);
    color: var(--erro);
    text-align: center;
}

.rodape {
    margin-top: 24px;
    color: var(--principal);
    text-align: center;
    font-size: 13px;
}

@media (max-width: 520px) {
    body {
        padding: 15px;
    }

    .login-card {
        padding: 30px 22px;
    }

    .logo {
        max-width: 270px;
    }
}