:root {
            --hilfipay-emerald: #10b981;
            --hilfipay-emerald-glow: rgba(16, 185, 129, 0.25);
            --hilfipay-slate: #020617; /* Slate 950 */
            --hilfipay-slate-light: #0f172a; /* Slate 900 */
        }

        body {
            background: var(--hilfipay-slate);
            overflow-x: hidden;
            margin: 0;
            font-family: 'Inter', system-ui, sans-serif;
        }

        .split-layout {
            display: flex;
            min-height: 100vh;
            width: 100vw;
        }

        /* Left Side - Brand & Art */
        .brand-panel {
            display: none;
            position: relative;
            background: linear-gradient(145deg, var(--hilfipay-slate) 0%, #064e3b 100%);
            overflow: hidden;
        }

        @media (min-width: 1024px) {
            .brand-panel {
                display: flex;
                flex: 1.2;
                flex-direction: column;
                justify-content: center;
                padding: 4rem;
            }
        }

        .brand-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
            opacity: 0.04;
            pointer-events: none;
        }

        /* Abstract glowing orbs */
        .glow-orb-1 {
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
            top: -100px;
            left: -100px;
            border-radius: 50%;
            filter: blur(40px);
            animation: float 10s ease-in-out infinite alternate;
        }

        .glow-orb-2 {
            position: absolute;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(52, 211, 153, 0.1) 0%, transparent 70%);
            bottom: -200px;
            right: -200px;
            border-radius: 50%;
            filter: blur(60px);
            animation: float 15s ease-in-out infinite alternate-reverse;
        }

        @keyframes float {
            0% { transform: translate(0, 0) scale(1); }
            100% { transform: translate(30px, 50px) scale(1.1); }
        }

        .brand-content {
            position: relative;
            z-index: 10;
            max-width: 500px;
        }

        .brand-icon {
            width: 48px;
            height: 48px;
            color: #10b981;
            margin-bottom: 2rem;
            filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.4));
        }

        .brand-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.1;
            color: white;
            margin-bottom: 1.5rem;
            letter-spacing: -0.02em;
        }

        .brand-title span {
            color: #10b981;
        }

        .brand-subtitle {
            font-size: 1.125rem;
            color: #94a3b8;
            line-height: 1.6;
        }

        /* Right Side - Login Form */
        .login-panel {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            background: var(--hilfipay-slate);
            position: relative;
        }

        .login-container {
            width: 100%;
            max-width: 420px;
            position: relative;
            z-index: 10;
        }

        /* Glassmorphism styling for mobile, plain for desktop split */
        @media (max-width: 1023px) {
            .login-container {
                background: rgba(15, 23, 42, 0.6);
                backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.05);
                border-radius: 24px;
                padding: 2.5rem;
                box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            }

            .login-panel::before {
                content: '';
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
            }
        }

        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 2rem;
        }

        @media (min-width: 1024px) {
            .mobile-brand {
                display: none;
            }
        }

        .login-header {
            margin-bottom: 2.5rem;
        }

        .login-title {
            font-size: 1.875rem;
            font-weight: 700;
            color: white;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        .login-subtitle {
            color: #94a3b8;
            font-size: 0.95rem;
        }

        .hilfipay-input {
            width: 100%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: white;
            border-radius: 12px;
            padding: 14px 16px;
            font-size: 0.95rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .hilfipay-input:focus {
            outline: none;
            border-color: var(--hilfipay-emerald);
            background: rgba(255, 255, 255, 0.05);
            box-shadow: 0 0 0 4px var(--hilfipay-emerald-glow);
        }

        .hilfipay-btn {
            width: 100%;
            background: var(--hilfipay-emerald);
            color: #022c22;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            border-radius: 12px;
            padding: 14px;
            transition: all 0.2s ease;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .hilfipay-btn:hover {
            background: #34d399;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
        }

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

        .hilfipay-label {
            color: #cbd5e1;
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 8px;
            display: block;
        }

        .hilfipay-link {
            color: var(--hilfipay-emerald);
            font-size: 0.875rem;
            font-weight: 500;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .hilfipay-link:hover {
            color: #34d399;
        }

        .passkey-btn {
            width: 100%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #e2e8f0;
            font-weight: 500;
            border-radius: 12px;
            padding: 14px;
            transition: all 0.2s ease;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 1rem;
        }

        .passkey-btn:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .divider {
            display: flex;
            align-items: center;
            text-align: center;
            margin: 2rem 0;
            color: #64748b;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            font-weight: 600;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .divider::before {
            margin-right: 1rem;
        }

        .divider::after {
            margin-left: 1rem;
        }

        /* Checkbox customization */
        .custom-checkbox {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
        }
        
        .custom-checkbox input[type="checkbox"] {
            appearance: none;
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.03);
            display: grid;
            place-content: center;
            cursor: pointer;
            transition: all 0.2s;
        }

        .custom-checkbox input[type="checkbox"]::before {
            content: "";
            width: 10px;
            height: 10px;
            transform: scale(0);
            transition: 120ms transform ease-in-out;
            box-shadow: inset 1em 1em var(--hilfipay-emerald);
            background-color: var(--hilfipay-emerald);
            transform-origin: center;
            clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
        }

        .custom-checkbox input[type="checkbox"]:checked {
            border-color: var(--hilfipay-emerald);
        }

        .custom-checkbox input[type="checkbox"]:checked::before {
            transform: scale(1);
        }

        .custom-checkbox label {
            color: #94a3b8;
            font-size: 0.875rem;
            cursor: pointer;
            transition: color 0.2s;
        }

        .custom-checkbox:hover label {
            color: #e2e8f0;
        }

        /* Alert Styling */
        .alert-destructive {
            background: rgba(220, 38, 38, 0.1);
            border: 1px solid rgba(220, 38, 38, 0.2);
            border-radius: 12px;
            padding: 1rem;
            margin-bottom: 1.5rem;
            color: #fca5a5;
            font-size: 0.875rem;
        }
        .alert-destructive ul { margin: 0; padding-left: 1rem; }

        /* Spacing utility classes */
        .brand-icon-desktop {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
        }

        .brand-icon-mobile {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
        }

        .input-group {
            margin-bottom: 2rem; /* Increased spacing */
        }
        
        .input-group-lg {
            margin-bottom: 2rem;
        }

        .password-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }

        .hilfipay-label-inline {
            margin-bottom: 0 !important;
            display: inline-block;
        }

        .remember-group {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 2.5rem;
            margin-top: 1.5rem;
        }

        .signup-group {
            margin-top: 4rem; /* Increased spacing above sign-up */
            text-align: center;
        }

        .signup-text {
            color: #94a3b8;
            font-size: 0.875rem;
            margin-bottom: 0.5rem;
        }

        .signup-link {
            font-weight: 600;
        }