:root {
    --brand-dark: #03254c;   /* Navy khas Diskominfo */
    --brand-blue: #0a58ca;   /* Biru Utama Tombol */
    --brand-hover: #0848a6;  /* Biru Hover */
    --brand-accent: #ffd15c; /* Kuning Emas */
    --input-bg: #fbfdff;
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background-color: #f4f7fa;
    color: #213547;
    min-height: 100vh;    
}

    /* Split Screen Container */
.auth-container {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* --- LEFT PANEL (HERO) --- */
        .auth-left {
            position: relative;
            height: 45vh; /* Default tinggi mobile banner */
            width: 100%;
            overflow: hidden;
            background-color: var(--brand-dark);
        }

        .auth-hero-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            opacity: 1; /* Diubah ke 1 agar gambar terang benderang seperti contoh */
            transform: scale(1.02);
            transition: transform 0.8s ease;
        }

        .auth-overlay {
            position: absolute;
            inset: 0;
            /* Gradasi disesuaikan agar bagian atas transparan (terang) dan bagian bawah gelap halus untuk keterbacaan teks */
            background: linear-gradient(to top, rgba(3, 37, 76, 0.95) 0%, rgba(3, 37, 76, 0.6) 35%, rgba(3, 37, 76, 0) 70%);
            z-index: 1;
        }

        .left-content {
            position: relative;
            z-index: 2;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 30px;
        }

        .left-content .welcome {
            font-family: 'Playball', cursive;
            color: var(--brand-accent);
            font-size: 28px;
            line-height: 1;
            margin-bottom: 4px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        }

        .left-content h1 {
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            margin: 0;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        /* Indikator Garis Biru Custom khas Mockup */
        .left-accent-bar {
            display: flex;
            align-items: center;
            gap: 5px;
            margin-top: 12px;
        }

        .accent-line {
            height: 3.5px;
            width: 85px;
            background-color: #3b82f6;
            border-radius: 4px;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
        }

        .accent-dot {
            height: 7px;
            width: 7px;
            background-color: #60a5fa;
            border-radius: 50%;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
        }

        /* --- RIGHT PANEL (FORM CARD) --- */
        .auth-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            background-color: #ffffff;
            padding: 40px 24px;
            border-top-left-radius: 40px;
            border-top-right-radius: 40px;
            margin-top: -40px; /* Overlap ke atas banner pada mobile */
            position: relative;
            z-index: 10;
            box-shadow: 0 -15px 30px rgba(0, 0, 0, 0.05);
        }

        .form-wrapper {
            max-width: 420px;
            width: 100%;
            margin: auto;
        }

        /* Typography & Card Elements */
        .brand-title {
            color: var(--brand-dark);
            font-weight: 800;
            font-size: 32px;
            letter-spacing: -0.5px;
        }

        .brand-sub {
            color: #64748b;
            font-size: 14px;
            line-height: 1.5;
        }

        /* Form Controls Premium Styling */
        .form-label-custom {
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            color: #475569;
            margin-bottom: 6px;
        }

        .input-group-custom {
            border: 1px solid #e2e8f0;
            border-radius: 14px;
            background-color: var(--input-bg);
            transition: all 0.25s ease;
            overflow: hidden;
        }

        .input-group-custom:focus-within {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 4px rgba(10, 88, 202, 0.12);
            background-color: #ffffff;
        }

        .input-group-custom .btn-icon,
        .input-group-custom .input-addon {
            background: transparent;
            border: none;
            color: #94a3b8;
            padding: 14px 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .input-group-custom .form-control-custom {
            background: transparent;
            border: none;
            padding: 14px 0;
            font-size: 14px;
            color: #1e293b;
            width: 100%;
        }

        .input-group-custom .form-control-custom::placeholder {
            color: #94a3b8;
        }

        .input-group-custom .form-control-custom:focus {
            outline: none;
            box-shadow: none;
        }

        /* Buttons & Footer */
        .btn-brand {
            background-color: var(--brand-blue);
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px;
            border-radius: 14px;
            border: none;
            transition: all 0.2s ease;
            box-shadow: 0 8px 20px rgba(10, 88, 202, 0.15);
        }

        .btn-brand:hover {
            background-color: var(--brand-hover);
            color: #ffffff;
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(10, 88, 202, 0.25);
        }

        .btn-brand:active {
            transform: translateY(0);
        }

        .text-link {
            color: var(--brand-blue);
            font-weight: 600;
            font-size: 13px;
            text-decoration: none;
            transition: color 0.2s;
        }

        .text-link:hover {
            color: var(--brand-hover);
            text-decoration: underline;
        }

        .auth-footer {
            font-size: 11px;
            color: #94a3b8;
            text-align: center;
            line-height: 1.5;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #f1f5f9;
        }

        /* --- DESKTOP (LARGE SCREEN) OVERRIDES --- */
        @media (min-width: 992px) {
            .auth-container {
                flex-direction: row;
            }

            .auth-left {
                width: 45%;
                height: 100vh;
            }

            .left-content {
                padding: 60px;
            }

            .left-content h1 {
                font-size: 36px;
            }

            .left-content .welcome {
                font-size: 36px;
            }

            .auth-right {
                width: 55%;
                height: 100vh;
                margin-top: 0;
                border-radius: 0;
                padding: 60px 80px;
                box-shadow: none;
            }

            .form-wrapper {
                margin: auto;
            }
}