html,
        body {
            height: 100%;
            margin: 0;
            background: #0a0f1e;
            color: #fff;
            font-family: 'Segoe UI', sans-serif;
        }

        /* definisikan warna dasar form sebagai variable */
        :root {
            --form-bg-color: #1f233e;
            /* cocokkan dengan background gradient kanan */
        }

        /* Pertebal teks dan tambahkan outline */
        .overlay-content-top .text-block h1,
        .overlay-content-top .text-block p {
            font-weight: 700;
            color: #fff;
            /* Chrome, Safari */
            -webkit-text-stroke: 1px var(--form-bg-color);
            /* fallback untuk browser lain menggunakan text-shadow */
            text-shadow:
                -1px -1px 0 var(--form-bg-color),
                1px -1px 0 var(--form-bg-color),
                -1px 1px 0 var(--form-bg-color),
                1px 1px 0 var(--form-bg-color);
        }


        .split {
            height: 100vh;
        }

        /* KIRI: gambar + overlay */
        .left {
            position: relative;
            background: url('/assets/img/bg-gudang3.jpg') center/cover no-repeat;
        }

        .left .overlay {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(0px);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
            padding: 2rem 1rem;
        }

        /* Top content: logo – teks – logo */
        .overlay-content-top {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-top: 1rem;
            animation: fadeInDown 1s ease-out both;
        }

        .overlay-content-top .logo-oval {
            width: 60px;
            height: 60px;
            border-radius: 50%;
        }

        .overlay-content-top .logo-square {
            width: 60px;
            height: 60px;
            border-radius: 8px;
        }

        .overlay-content-top .text-block {
            text-align: center;
        }

        .overlay-content-top h1 {
            font-size: 1.8rem;
            margin: 0;
        }

        .overlay-content-top p {
            font-size: 0.9rem;
            margin: 0;
            color: #d0d3e2;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Bottom footer di kiri */
        .overlay-footer {
            font-size: 0.8rem;
            color: #ccc;
            text-align: center;
        }

        /* KANAN: form login */
        .right {
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #1f233e, #151a2b);
        }

        .card-auth {
            width: 100%;
            max-width: 400px;
            background: rgba(20, 25, 40, 0.8);
            border: none;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .card-auth:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7);
        }

        .form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .form-control:focus {
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 8px rgba(91, 110, 255, 0.5);
            transform: scale(1.02);
            border-color: #5b6eff;
        }

        .card-auth .form-control::placeholder {
            color: #fff;
        }

        .btn-primary {
            background: linear-gradient(135deg, #5b6eff, #4a56dd);
            border: none;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 20px rgba(91, 110, 255, 0.6);
        }

        #captchaImage {
            height: 50px;
        }