:root {
            --primary-color: #4f46e5; /* Índigo moderno */
            --bg-gradient: #e2e2e2 
        }

        body {
            font-family: 'Inter', sans-serif;
            background: var(--bg-gradient);
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0;
        }

        #logoHeader{
            background-color: #f0f0f0;
        }

        .login-card {
            background: #ffffff;
            border: none;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            width: 100%;
            max-width: 500px;
            padding: 2.5rem;
            transition: transform 0.3s ease;
        }

        .brand-logo {
            max-width: 120px;
            margin-bottom: 1.5rem;
            display: block;
            margin-left: auto;
            margin-right: auto;
        }

        h4 {
            font-weight: 600;
            color: #1e293b;
            letter-spacing: -0.5px;
        }

        .form-label {
            font-size: 0.875rem;
            font-weight: 500;
            color: #64748b;
            margin-bottom: 0.5rem;
        }

        .input-group-custom {
            position: relative;
            margin-bottom: 1.25rem;
        }

        .input-group-custom i {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: #94a3b8;
            z-index: 10;
            transition: color 0.3s;
        }

        .form-control {
            height: 52px;
            padding-left: 2.8rem;
            border-radius: 0 !important;
            border: 1px solid #e2e8f0;
            background-color: #f8fafc;
            transition: all 0.3s ease;
            box-shadow: none !important;
        }

        .form-control:focus {
            background-color: #fff;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
            color: #1e293b;
        }

        .form-control:focus + i {
            color: var(--primary-color);
        }

        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            height: 52px;
            border-radius: 0 !important;
            font-weight: 600;
            font-size: 1rem;
            margin-top: 1rem;
            transition: all 0.3s;
        }

        .btn-primary:hover {
            background-color: #4338ca;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
        }

        .footer-text {
            color: #64748b;
            font-size: 0.9rem;
        }

        .footer-text a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }

        .footer-text a:hover {
            text-decoration: underline;
        }