:root {
    --primary-color: #0059b8;
    --secondary-color: #03125e;
    --text-color: #333333;
    --success-color: #198754;
    --error-color: #dc3545;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    margin: 0;
}

.install-container {
    width: 100%;
    max-width: 420px;
    margin: auto;
    perspective: 1000px;
}

.install-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2.5rem;
    transform-style: preserve-3d;
    transition: all 0.3s ease;
}

.install-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-floating {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-control {
    border-radius: 12px;
    border: 2px solid #e0e0e0;
    padding: 1rem 1rem 0.5rem;
    height: auto;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.15);
    border-color: var(--primary-color);
    background-color: #fff;
}

.form-floating label {
    padding: 1rem 0.75rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
    color: var(--primary-color);
}

.btn-primary {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 89, 184, 0.3);
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
}

.alert {
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: none;
    font-size: 0.9rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.alert-success {
    background-color: rgba(25, 135, 84, 0.1);
    color: var(--success-color);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--error-color);
}

/* Rodapé */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    padding: 1rem;
    color: #fff;
    font-size: 0.9rem;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
}

.footer a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer a:hover {
    opacity: 0.8;
    color: #fff;
}

.footer-separator {
    margin: 0 10px;
    opacity: 0.7;
}

@media (max-width: 576px) {
    .install-card {
        padding: 1.5rem;
    }
    
    .install-title {
        font-size: 1.5rem;
    }
    
    .btn-primary {
        padding: 0.75rem;
    }
    
    .footer {
        font-size: 0.8rem;
        padding: 0.75rem;
    }
    
    .footer-separator {
        margin: 0 5px;
    }
}
