/* Fundo e sobreposição */
.background-overlay {
    background: url('background.png') no-repeat center center/cover;
    height: 100vh;
    position: relative;
    color: #fff;
}

.background-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.container {
    position: relative;
    z-index: 2;
}

/* Card de login */
.card {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

/* Botão de entrar */
.btn-danger {
    background-color: #ff4d4d;
    border: none;
    transition: background-color 0.3s;
}

.btn-danger:hover {
    background-color: #e03e3e;
}

/* Botão de criar conta */
.btn-outline-danger {
    color: #ff4d4d;
    border-color: #ff4d4d;
    transition: all 0.3s;
}

.btn-outline-danger:hover {
    background-color: #ff4d4d;
    color: #fff;
}