body {
    /*    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);*/
    background: #000;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

    .login-header h2 {
        color: #333;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

    .login-header p {
        color: #666;
        margin: 0;
    }

.form-floating {
    margin-bottom: 1rem;
}

    .form-floating > .form-control {
        border: 2px solid #e9ecef;
        border-radius: 12px;
        padding: 1rem 0.75rem;
        transition: all 0.3s ease;
        background: rgba(255, 255, 255, 0.8);
    }

        .form-floating > .form-control:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
            background: rgba(255, 255, 255, 1);
        }

    .form-floating > label {
        color: #666;
        padding-left: 0.75rem;
    }

.btn-login {
    /*    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);*/
    background: #000;
    border: none;
    border-radius: 12px;
    color: #C0A466;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: 100%;
    margin-top: 1rem;
}

    .btn-login:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        color: white;
    }

    .btn-login:focus {
        box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.5);
        color: white;
    }

.form-check {
    margin: 1.5rem 0;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.form-check-input:focus {
    border-color: #667eea;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

.form-check-label {
    color: #666;
    font-size: 0.9rem;
}

.alert {
    border: none;
    border-radius: 12px;
    margin-bottom: 1rem;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border-left: 4px solid #dc3545;
}

.demo-credentials {
    background: rgba(23, 162, 184, 0.1);
    border-left: 4px solid #17a2b8;
    color: #17a2b8;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1.5rem;
    font-size: 0.85rem;
}

    .demo-credentials strong {
        display: block;
        margin-bottom: 0.25rem;
    }

.login-logo {
    text-align: center;
    margin-bottom: 1rem;
}

.login-logo img {
    max-width: 120px;
    height: auto;
    margin-bottom: 10px;
}

.login-icon {
    /*    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);*/
    background: #000;
    color: #C0A466;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.signup-link {
    color: #000;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: inline-block;
}

.signup-link:hover {
    color: #000;
    background-color: rgba(192, 164, 102, 0.3);
    text-decoration: none;
    transform: translateY(-1px);
}

.signup-link:focus {
    color: #000;
    text-decoration: none;
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(192, 164, 102, 0.25);
}

@media (max-width: 576px) {
    .login-container {
        margin: 1rem;
        padding: 2rem;
    }
}