/* PayPal Official Color Scheme */
        :root {
            --paypal-blue: #0070ba;
            --paypal-blue-dark: #003087;
            --paypal-blue-light: #009cde;
            --paypal-yellow: #30c0a8;
            --paypal-yellow-dark: #001a6d;
            --paypal-neutral-10: #f5f7fa;
            --paypal-neutral-20: #e6ebf1;
            --paypal-neutral-30: #d8e1ea;
            --paypal-neutral-50: #8b9aad;
            --paypal-neutral-70: #4d637b;
            --paypal-neutral-90: #1f2d3d;
        }

        /* Base Styles */
        body {
            font-family: 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--paypal-neutral-10);
            color: var(--paypal-neutral-90);
            line-height: 1.5;
        }

        /* PayPal Generator Container */
        .paypal-gen-container {
            max-width: 720px;
            margin: 40px auto;
            padding: 40px;
            background: white;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        .paypal-gen-container:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        /* Header */
        .paypal-gen-header {
            text-align: center;
            margin-bottom: 32px;
            position: relative;
        }

        .paypal-gen-header h2 {
            color: var(--paypal-blue-dark);
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 28px;
        }

        .paypal-gen-header p {
            color: var(--paypal-neutral-70);
            font-size: 16px;
        }

        .paypal-gen-header::after {
            content: "";
            display: block;
            width: 80px;
            height: 4px;
            background: var(--paypal-yellow);
            margin: 16px auto 0;
            border-radius: 2px;
        }

        /* Form elements */
        .paypal-gen-form-group {
            margin-bottom: 24px;
            position: relative;
        }

        .paypal-gen-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--paypal-neutral-90);
            font-size: 15px;
            transition: all 0.2s ease;
        }

        .paypal-gen-input {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid var(--paypal-neutral-30);
            border-radius: 8px;
            font-size: 15px;
            transition: all 0.3s ease;
            background: white;
            color: var(--paypal-neutral-90);
        }

        .paypal-gen-input:focus {
            border-color: var(--paypal-blue-light);
            box-shadow: 0 0 0 3px rgba(0, 156, 222, 0.2);
            outline: none;
        }

        .paypal-gen-input:hover {
            border-color: var(--paypal-neutral-50);
        }

        .paypal-gen-select {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234d637b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
            padding-right: 40px;
        }

        /* Result section */
        .paypal-gen-result-container {
            margin-top: 40px;
            background: var(--paypal-neutral-10);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--paypal-neutral-20);
            transition: all 0.3s ease;
        }

        .paypal-gen-result-container:hover {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }

        .paypal-gen-result-label {
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--paypal-blue-dark);
            display: flex;
            align-items: center;
            font-size: 16px;
        }

        .paypal-gen-result-label svg {
            margin-right: 8px;
            fill: var(--paypal-blue);
        }

        .paypal-gen-result-input {
            width: 100%;
            padding: 14px 16px;
            background: white;
            border: 1px solid var(--paypal-neutral-20);
            border-radius: 8px;
            font-size: 14px;
            color: var(--paypal-neutral-90);
            margin-bottom: 20px;
            font-family: monospace;
            resize: vertical;
            min-height: 100px;
            transition: all 0.2s ease;
        }

        .paypal-gen-result-input:focus {
            border-color: var(--paypal-blue-light);
            box-shadow: 0 0 0 3px rgba(0, 156, 222, 0.2);
        }

        /* Buttons */
        .paypal-gen-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            border: none;
            text-decoration: none;
            position: relative;
            overflow: hidden;
        }

        .paypal-gen-btn:active {
            transform: translateY(1px);
        }

        .paypal-gen-btn-primary {
            background-color: var(--paypal-blue);
            color: white;
            box-shadow: 0 2px 8px rgba(0, 112, 186, 0.3);
        }

        .paypal-gen-btn-primary:hover {
            background-color: var(--paypal-blue-dark);
            box-shadow: 0 4px 12px rgba(0, 112, 186, 0.4);
            transform: translateY(-2px);
        }

        .paypal-gen-btn-primary:active {
            background-color: var(--paypal-blue-dark);
            box-shadow: 0 1px 4px rgba(0, 112, 186, 0.3);
        }

        .paypal-gen-btn-secondary {
            background-color: white;
            color: var(--paypal-blue);
            border: 1px solid var(--paypal-blue);
        }

        .paypal-gen-btn-secondary:hover {
            background-color: rgba(0, 112, 186, 0.05);
            transform: translateY(-2px);
        }

        .paypal-gen-btn-copy {
            background-color: var(--paypal-yellow);
            color: var(--paypal-neutral-90);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 24px;
            box-shadow: 0 2px 8px rgba(255, 196, 57, 0.3);
        }

        .paypal-gen-btn-copy:hover {
            background-color: var(--paypal-yellow-dark);
            box-shadow: 0 4px 12px rgba(255, 196, 57, 0.4);
            transform: translateY(-2px);
        }

        .paypal-gen-btn-copy:active {
            background-color: var(--paypal-yellow-dark);
            box-shadow: 0 1px 4px rgba(255, 196, 57, 0.3);
        }

        /* Ripple effect */
        .paypal-gen-btn:after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 5px;
            height: 5px;
            background: rgba(255, 255, 255, 0.5);
            opacity: 0;
            border-radius: 100%;
            transform: scale(1, 1) translate(-50%);
            transform-origin: 50% 50%;
        }

        .paypal-gen-btn:focus:not(:active)::after {
            animation: ripple 0.6s ease-out;
        }

        @keyframes ripple {
            0% {
                transform: scale(0, 0);
                opacity: 0.5;
            }
            100% {
                transform: scale(20, 20);
                opacity: 0;
            }
        }

        /* Tooltip adjustments */
        .paypal-gen-tooltip .tooltip-inner {
            background-color: var(--paypal-neutral-90);
            font-size: 13px;
            padding: 8px 12px;
            border-radius: 6px;
        }

        .paypal-gen-tooltip .arrow::before {
            border-top-color: var(--paypal-neutral-90);
        }

        /* Loading spinner */
        .paypal-gen-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
            margin-right: 8px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .paypal-gen-container {
                padding: 24px;
                margin: 20px;
            }
            
            .paypal-gen-header h2 {
                font-size: 24px;
            }
        }

        /* Dark mode support */
        @media (prefers-color-scheme: dark) {
            body {
                background-color: #121212;
                color: #e0e0e0;
            }
            
            .paypal-gen-container {
                background: #1e1e1e;
                box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            }
            
            .paypal-gen-input,
            .paypal-gen-result-input {
                background: #2d2d2d;
                border-color: #3d3d3d;
                color: #e0e0e0;
            }
            
            .paypal-gen-label {
                color: #e0e0e0;
            }
            
            .paypal-gen-result-container {
                background: #252525;
                border-color: #3d3d3d;
            }
        }