/* --- GLOBAL STYLE --- */
        body {
            font-family: 'Poppins', sans-serif;
            background-color: #ffffff; /* Background putih bersih */
            margin: 0;
            overflow-x: hidden; /* Mencegah scroll samping */
        }

        /* --- 1. LOGIN VIEW (Card Center) --- */
        #login-view {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            /* Gradient Biru Halus */
            background: linear-gradient(135deg, #00A6FB 0%, #008ecc 100%);
            padding: 20px;
        }

        .login-card {
            background: white;
            padding: 50px 40px;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.2);
            width: 100%;
            max-width: 420px; /* Sedikit lebih ramping biar 'tight' */
            animation: fadeIn 0.4s ease-out;
        }

        /* --- 2. REGISTER VIEW (Split Screen Tight) --- */
        #register-view {
            display: none; /* Default hidden */
            min-height: 100vh;
            background: white;
            animation: fadeIn 0.4s ease-out;
        }

        /* --- PANEL KIRI (BIRU FIXED) --- */
        .left-panel-reg {
            background-color: #00A6FB; /* Biru Solid */
            /* Opsional: Tambah pattern halus jika mau, atau biarkan solid */
            color: white;
            padding: 60px;
            
            /* Flexbox untuk menaruh teks di BAWAH KIRI */
            display: flex;
            flex-direction: column;
            justify-content: flex-end; /* Teks turun ke bawah */
            align-items: flex-start;   /* Teks rata kiri */
            
            /* POSISI FIXED (KUNCI TAMPILAN TIGHT) */
            position: fixed; 
            top: 0;
            bottom: 0;
            left: 0;
            width: 40%; /* Lebar panel kiri 40% */
            height: 100vh;
            z-index: 10;
        }

        /* --- PANEL KANAN (FORM SCROLLABLE) --- */
        .right-panel-reg {
            width: 60%; /* Sisa lebar 60% */
            margin-left: 40%; /* Geser ke kanan sejauh panel kiri */
            min-height: 100vh;
            
            display: flex;
            flex-direction: column;
            justify-content: center; /* Form di tengah vertikal */
            padding: 60px 80px;      /* Padding lega */
            background: white;
        }

        /* --- TYPOGRAPHY PANEL KIRI (Mirip Figma) --- */
        .welcome-text h1 {
            font-weight: 300; /* Tipis */
            font-size: 3.5rem;
            margin-bottom: 0;
            line-height: 1.1;
            font-style: italic; /* Gaya italic modern */
        }
        .welcome-text h2 {
            font-weight: 300;
            font-size: 2rem;
            margin-top: 10px;
            line-height: 1.3;
            opacity: 0.9;
        }
        .welcome-text .brand-name {
            font-weight: 700;
            font-style: normal;
        }

        /* --- FORM STYLING (Tight & Clean) --- */
        .form-label {
            font-weight: 500;
            font-size: 0.85rem;
            color: #555;
            margin-bottom: 6px;
        }

        .form-control, .form-select {
            border-radius: 8px; /* Sudut sedikit membulat tapi tegas */
            border: 1px solid #e0e0e0;
            padding: 12px 15px;
            font-size: 0.9rem;
            background-color: #fff;
            transition: all 0.2s;
        }
        
        .form-control:focus, .form-select:focus {
            border-color: #00A6FB;
            box-shadow: 0 0 0 3px rgba(0, 166, 251, 0.1); /* Glow biru tipis */
        }

        .btn-auth {
            background-color: #0066FF; /* Biru tombol lebih gelap dikit biar kontras */
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            width: 100%;
            transition: 0.2s;
            margin-top: 15px;
            letter-spacing: 0.5px;
        }

        .btn-auth:hover {
            background-color: #0052cc;
            transform: translateY(-1px);
        }

        .password-wrapper { position: relative; }
        .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #ccc;
            cursor: pointer;
        }
        .password-toggle:hover { color: #00A6FB; }

        .toggle-link {
            color: #0066FF;
            text-decoration: none;
            font-weight: 600;
            cursor: pointer;
        }
        .toggle-link:hover { text-decoration: underline; }

        /* --- RESPONSIF (HP/Tablet) --- */
        @media (max-width: 991px) {
            .left-panel-reg {
                position: relative;
                width: 100%;
                height: auto;
                min-height: 200px;
                padding: 40px;
                justify-content: center; /* Di HP teks di tengah */
            }
            .right-panel-reg {
                width: 100%;
                margin-left: 0;
                padding: 40px 20px;
            }
            .welcome-text h1 { font-size: 2.5rem; }
            .welcome-text h2 { font-size: 1.5rem; }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }