main.login-main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 72px);
    padding: 1.5rem;
}

.login-card {
    background-color: var(--cinza-card);
    border-radius: 14px;
    padding: 2.25rem 2rem;
    width: 100%;
    max-width: 360px;
    box-shadow: 0 10px 30px var(--sombra);
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.login-card h2 {
    text-align: center;
    color: var(--azul-escuro);
}

.login-card .subtitulo {
    text-align: center;
    color: var(--texto-suave);
    font-size: 0.85rem;
    margin-top: -0.6rem;
}

.input-box {
    position: relative;
}

.input-box input {
    width: 100%;
    outline: none;
    font-size: 1rem;
    padding: 0.7rem 2.4rem 0.7rem 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--cinza-borda);
    transition: border-color 0.15s ease;
}

.input-box input:focus {
    border-color: var(--azul-destaque);
}

.input-box input.campo-invalido {
    border-color: var(--alerta);
}

.input-box input::placeholder {
    color: #9aa7ac;
}

.input-box i {
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--texto-suave);
    font-size: 1.15rem;
}

.mensagem-erro {
    color: var(--alerta);
    font-size: 0.8rem;
    min-height: 1.1rem;
}

.login-card button[type="submit"] {
    background-color: var(--azul-header);
    color: #fff;
    font-weight: 700;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 1rem;
    transition: background-color 0.15s ease;
}

.login-card button[type="submit"]:hover {
    background-color: var(--azul-escuro);
}

.login-nota {
    text-align: center;
    font-size: 0.75rem;
    color: var(--texto-suave);
}