body {
            font-family: 'Roboto', sans-serif;
            background-color: #1e293b;
            color: #ffffff;
            margin: 0;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-height: 100vh;
            box-sizing: border-box;
            touch-action: pan-down;
        }
        .input-group {
            margin-bottom: 25px;
            width: 100%;
            max-width: 500px;
        }
        .input-group label {
            display: block;
            margin-bottom: 10px;
            font-size: 16px;
            color: #94a3b8;
        }
        .input-group input,
        .input-group select,
        .input-group textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid #475569;
            border-radius: 8px;
            background-color: #1e293b;
            color: #ffffff;
            font-size: 16px;
            box-sizing: border-box;
        }
        .input-group textarea {
            height: 120px;
            resize: vertical;
        }
        .input-group input:disabled {
            background-color: #475569;
            color: #94a3b8;
        }
        .input-group input:focus,
        .input-group select:focus,
        .input-group textarea:focus {
            outline: none;
            border-color: #60a5fa;
        }
        .input-group button {
            margin-top: 10px;
            padding: 12px 20px;
            background-color: #60a5fa;
            border: none;
            border-radius: 8px;
            color: #ffffff;
            font-size: 16px;
            cursor: pointer;
            width: 100%;
            font-family: 'Roboto', sans-serif;
        }
        .input-group button:hover {
            background-color: #3b82f6;
        }
        .error-message {
            color: #ef4444;
            font-size: 14px;
            margin-top: 10px;
            display: none;
            width: 100%;
        }
        .platform-link {
            display: flex;
            gap: 15px;
            margin-bottom: 15px;
            align-items: center;
            width: 100%;
            flex-wrap: wrap;
        }
        .platform-link select,
        .platform-link input {
            flex: 1;
            padding: 12px;
            font-size: 16px;
            min-width: 200px;
        }
        .custom-platform {
            display: none;
            gap: 15px;
            margin-top: 15px;
            width: 100%;
            flex-wrap: wrap;
        }
        #add-platform-link {
            width: 100%;
            margin-top: 15px;
            padding: 12px 20px;
            font-size: 16px;
        }
        #add-platform-link:disabled {
            background-color: #475569;
            cursor: not-allowed;
        }
        .invalid {
            border-color: #ef4444;
        }
        .delete-platform-link {
            cursor: pointer;
            color: #ef4444;
            font-size: 20px;
            margin-left: 15px;
        }
        .delete-platform-link:hover {
            color: #dc2626;
        }
        #delete-profile-button {
            background-color: #ef4444;
            margin-top: 20px;
            display: none;
        }
        #delete-profile-button:hover {
            background-color: #dc2626;
        }
        .profile-url-container {
            width: 100%;
            max-width: 500px;
            margin-top: 20px;
            padding: 20px;
            background: #0f172a;
            border-radius: 8px;
            display: none;
        }
        .profile-url-content {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-top: 10px;
        }
        .profile-url {
            flex: 1;
            padding: 10px;
            background: #1e293b;
            border-radius: 6px;
            word-break: break-all;
        }
        .url-action-button {
            padding: 8px 16px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
        }
        .copy-button {
            background: #60a5fa;
            color: white;
        }
        .preview-button {
            background: #4ade80;
            color: white;
        }
        @media (max-width: 480px) {
            body {
                padding: 15px;
            }
            .input-group input,
            .input-group select,
            .input-group textarea {
                padding: 12px;
                font-size: 14px;
            }
            .input-group button {
                padding: 10px 15px;
                font-size: 14px;
            }
            .profile-url-content {
                flex-direction: column;
            }
            .url-action-button {
                width: 100%;
            }