body {
            font-family: 'Instrument Sans', sans-serif;
            background: linear-gradient(135deg, rgba(10, 15, 26, 0.9), rgba(10, 15, 26, 0.7)), url('/images/candlestick-bg.jpg') no-repeat center center fixed;
            background-size: cover;
            background-blend-mode: overlay;
            color: #e2e8f0;
            margin: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }
        .container {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 1rem;
        }
        .card {
            background: rgba(30, 41, 59, 0.9);
            border-radius: 1rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            padding: 2rem;
            width: 100%;
            max-width: 400px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 1.5rem;
            color: #04c22d;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
        }
        .referral-message {
            background: rgba(16, 185, 129, 0.1);
            padding: 0.75rem;
            border-radius: 0.5rem;
            margin-bottom: 1.25rem;
            text-align: center;
            color: #04c22d;
            font-size: 0.875rem;
        }
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-group label {
            display: block;
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: #94a3b8;
        }
        .form-group input {
            width: 100%;
            padding: 0.75rem 1rem;
            background: #334155;
            border: 1px solid #475569;
            border-radius: 0.5rem;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .form-group input:focus {
            border-color: #04c22d;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
            outline: none;
        }
        .error-message {
            color: #f87171;
            font-size: 0.75rem;
            margin-top: 0.25rem;
        }
        .recaptcha-container {
            margin-bottom: 1.25rem;
            padding: 1rem;
            background: #334155;
            border: 1px solid #475569;
            border-radius: 0.5rem;
        }
        .recaptcha-container label {
            display: block;
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: #94a3b8;
        }
        .g-recaptcha {
            transform: scale(0.9);
            transform-origin: 0 0;
        }
        .recaptcha-error {
            color: #f87171;
            font-size: 0.75rem;
            margin-top: 0.25rem;
        }
        .submit-btn {
            width: 100%;
            padding: 0.75rem;
            background: #04c22d;
            color: #1e293b;
            font-weight: 600;
            border: none;
            border-radius: 0.5rem;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.2s ease;
        }
        .submit-btn:hover {
            background-color: #059669;
            transform: translateY(-2px);
        }
        .submit-btn:disabled {
            background-color: #4b5563;
            cursor: not-allowed;
        }
        .login-link {
            text-align: center;
            margin-top: 1.5rem;
            font-size: 0.875rem;
            color: #94a3b8;
        }
        .login-link a {
            color: #04c22d;
            text-decoration: none;
        }
        .login-link a:hover {
            text-decoration: underline;
        }
        .form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #334155;
    border: 1px solid #475569;
    border-radius: 0.5rem;
    color: #e2e8f0;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
}

.form-select:focus {
    border-color: #04c22d;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    outline: none;
}

@-moz-document url-prefix() {
    .form-select {
        padding-right: 1.75rem;
    }
}

select::-ms-expand {
    display: none;
}
        @media (max-width: 640px) {
            .title {
                font-size: 1.5rem;
            }
            .card {
                padding: 1.5rem;
            }
            .form-group input {
                padding: 0.5rem 1rem;
            }
            .submit-btn {
                padding: 0.6rem;
            }
            .recaptcha-container {
                padding: 0.75rem;
            }
            .g-recaptcha {
                transform: scale(0.8);
            }
        }